Mobile banking software development brings together customer-facing design, secure transactions, financial data, and connections to established banking systems. Modern apps increasingly include digital onboarding, biometric authentication, payment controls, and real-time account information. For banks and fintech product teams, dependable APIs and careful integration can matter just as much as the quality of the mobile interface. Building and maintaining these systems calls for expertise across product engineering, security, compliance-sensitive workflows, and long-term support.
1. Itexus
Itexus develops financial software for banks, neobanks, credit unions, Banking-as-a-Service providers, and fintech startups. Its mobile banking development services cover digital account access, payments, money transfers, customer onboarding, lending, and personal finance functionality. The team combines iOS and Android engineering with backend development, UX/UI, third-party integration, testing, and production support.
Relevant project work includes a banking app for B9, an income-based advance solution, and a white-label mobile banking application for a Silicon Valley digital banking provider. Those examples make Itexus relevant to financial organizations building a new consumer app or connecting a mobile channel to an existing banking ecosystem. Its delivery process also addresses KYC/AML providers, authentication, payment interfaces, security testing, and app-store release.
Key Facts
- Best for: Banks, neobanks, credit unions, and fintech product teams
- Core services: Mobile banking software development, fintech engineering, digital lending, UX/UI, QA
- Notable projects: B9 mobile banking app and white-label digital banking application
- Notable strength: Financial integrations alongside mobile and backend engineering
- Headquarters: Dover, DE, USA
- Founded: 2013
- Team size: 150+ engineers
Contact Information
- Website: itexus.com
- Email: moc.suxeti@ofni
- LinkedIn: www.linkedin.com/company/itexus
- Facebook: www.facebook.com/itexus
- Twitter: x.com/ItexusSoft
- Instagram: www.instagram.com/itexus.soft
- Address: 8, The Green, STE road, Dover, DE 19901, United States
2. ScienceSoft
ScienceSoft has provided banking IT services since 2005 and runs a dedicated mobile banking practice covering consulting, custom app development and modernization of existing apps. Its feature scope includes account and card management, money transfers, QR-code payments, cardless ATM withdrawals, multi-currency virtual cards, biometric authentication, KYC/AML checks and AI-based fraud detection.
The company publishes mobile banking case studies such as web and mobile banking software for a bank with 3M+ customers, iOS and Android app evolution for a commercial bank with $3.5B+ in assets, and end-to-end testing for an app rated 4.8 on Google Play. It suits established banks that need to build or modernize a mobile channel.
Key Facts
- Best for: Banks modernizing or extending existing mobile banking apps
- Core services: Mobile banking consulting, app development, modernization, integrations, QA
- Specialization: Retail and commercial bank mobile apps, security, compliance
- Headquarters: McKinney, TX, USA
- Founded: 1989
- Team size: 501–1,000 employees
Contact Information
- Website: scnsoft.com
- Email: moc.tfosncs@tcatnoc
- Phone: +1 214 306 68 37
- Address: 5900 S. Lake Forest Drive, Suite 300, McKinney, TX 75070, USA
3. DashDevs
DashDevs builds fintech and banking software, including neobank, e-wallet and BNPL apps, with native iOS, Android and Flutter development alongside backend, UI/UX, QA and DevOps. Its integration work covers open banking, card issuing, KYC, payment gateways and cross-border payments, which are the usual dependencies of a mobile banking product.
The company also offers Fintech Core, a configurable platform with real-time balances, a customizable ledger, KYC/KYB flows, card issuing and an AML toolkit that connects to licensed banks and BaaS providers. It fits neobank founders who want a faster path to launch.
Key Facts
- Best for: Neobanks and fintechs launching on BaaS partners
- Core services: Neobank apps, e-wallets, iOS, Android, Flutter, backend, integrations
- Specialization: Challenger banking apps, open banking, card issuing, Fintech Core platform
- Headquarters: Wilmington, DE, USA
- Founded: 2011
- Team size: 51–200 employees
Contact Information
- Website: dashdevs.com
- Email: moc.svedhsad@ofni
- Address: 1 St. Katharine's Way, London E1W 1UN, UK
4. Intellias
Intellias develops banking software, including mobile banking applications that let customers check balances, make payments, transfer funds, locate ATMs and receive real-time account notifications on phones, tablets and smartwatches. Its banking work also extends to core systems, data platforms and cloud migration, so the mobile channel can be built together with the systems behind it.
Published case studies include a mobile banking system for a major telecommunications provider supporting Germany's first fully digital bank, a custom core system for a Munich-based digital bank, and AWS cloud migration for a commercial bank with over 2.5 million customers. Client testimonials come from Swissquote Bank, FinCompare and Nomo FinTech. It suits digital banks in Europe.
Key Facts
- Best for: European digital banks needing mobile and core systems
- Core services: Mobile banking apps, core banking, data platforms, cloud migration
- Specialization: Fully digital banks, mobile banking systems, banking back ends
- Founded: 2002
- Team size: 1,001–5,000 employees
Contact Information
- Website: intellias.com
- Email: moc.sailletni@ofni
- Phone: +1 857 444 0442
5. Yalantis
Yalantis offers mobile banking app development for fintech companies and digital-first financial institutions. Its banking practice covers account and card management, P2P and wire transfers, personal finance features, wallet integrations, customer notifications, and fraud-prevention functionality. The company brings product analysis, interface design, engineering, testing, and ongoing enhancement into the same delivery process.
An important technical element is the Yalantis Banking Accelerator, a software development kit with integration components and reusable UI elements. The company also describes work integrating dozens of external services for a neobank, which is particularly relevant when an app must coordinate payment providers, identity verification, financial accounts, and other third-party systems.
Key Facts
- Best for: Neobanks and fintech businesses with integration-heavy mobile products
- Core services: Mobile banking apps, UX/UI, integrations, software engineering, QA
- Specialization: Account and card management, digital payments, banking SDKs
- Notable strength: Banking accelerator with reusable integration and interface components
- Founded: 2008
- Team size: 201–500 employees
Contact Information
- Website: yalantis.com
- Email: moc.sitnalay@olleh
- LinkedIn: www.linkedin.com/company/yalantis
- Instagram: www.instagram.com/yalantis
- Address: 123 al. Jerozolimskie, Warsaw, 00-001, Poland
- Phone: + 1 213 4019311
6. Miquido
Miquido develops mobile banking products for banks and fintech firms, including native iOS and Android applications and cross-platform financial experiences. Its work incorporates product strategy, mobile interface design, backend integration, and continued feature development. The company's portfolio is particularly useful for evaluating its involvement in operating banking apps rather than only early-stage concepts.
For BNP Paribas, Miquido contributed to the GOmobile banking application, including native mobile modules and integration with the bank's existing systems. It has also worked on a digital banking application for Maya Bank, involving financial management and related services. This combination suits institutions refreshing a live banking app while introducing new mobile capabilities.
Key Facts
- Best for: Established banks expanding or modernizing mobile channels
- Core services: Banking apps, iOS and Android, cross-platform development, UX/UI
- Notable projects: BNP Paribas GOmobile and Maya Bank
- Headquarters: Krakow, Poland
- Founded: 2011
- Team size: 201–500 employees
Contact Information
- Website: www.miquido.com
- Email: moc.odiuqim@olleh
- Facebook: www.facebook.com/miquido
- Twitter: x.com/miquido
- LinkedIn: www.linkedin.com/company/miquido
- Instagram: www.instagram.com/miquido
- Address: Zabłocie 43a, 30-701 Kraków, Poland
- Phone: +48 536 083 559
7. A-listware
A-listware combines financial software development with mobile application engineering and extended development teams. Its financial services offering spans classical banking systems, insurance, investment software, cryptocurrency projects, and mobile financial applications. The company provides both project-based delivery and specialists who work alongside a client's existing product team.
Banking organizations can engage A-listware for mobile interfaces, UI/UX improvement, backend development, integrations, quality assurance, and upgrades to existing applications. The company also describes a classical banking modernization case focused on improving application reliability and the user experience. Its flexible staffing model is relevant for financial teams that need additional engineering capacity while retaining ownership of their banking roadmap.
Key Facts
- Best for: Financial services teams supplementing internal engineering capacity
- Core services: Financial software, mobile development, QA, software modernization
- Specialization: Banking, payments, investment, and insurance software
- Engagement model: Custom projects and team augmentation
- Headquarters: London, UK
Contact Information
- Website: a-listware.com
- Email: moc.erawtsil-a@ofni
- Facebook: www.facebook.com/alistware
- LinkedIn: www.linkedin.com/company/a-listware
- Address: St. Leonards-On-Sea, TN37 7TA, UK
- Phone: +44 (0)142 439 01 40
8. Andersen
Andersen provides banking software engineering with a dedicated digital banking practice. Its services include native and hybrid mobile banking applications, remote deposit capture, payment scheduling, notifications, account features, and broader banking ecosystems. The company also develops integration layers that connect customer-facing digital products to financial institution systems.
Alongside mobile delivery, Andersen handles modernization of banking software, middleware, banking APIs, testing, and consulting. Its mobile banking service descriptions address both end-user interaction and the underlying systems needed for reliable financial transactions. This makes the provider relevant to banks planning multi-phase digital channel programs that combine application delivery with updates to existing infrastructure.
Key Facts
- Best for: Banks combining mobile app development with system modernization
- Core services: Mobile banking, banking integrations, API engineering, QA
- Specialization: Digital banking and banking ecosystem software
- Engagement model: Custom projects and dedicated development teams
- Headquarters: Warsaw, Poland
- Founded: 2007
- Team size: 1,001–5,000 employees
Contact Information
- Website: andersenlab.com
- Email: moc.balnesredna@tcatnoc
- Facebook: www.facebook.com/AndersenSoftwareDev
- Twitter: x.com/AndersenLabs
- LinkedIn: www.linkedin.com/company/andersen-lab
- Address: 3 Rosa-Bavarese St., Munich, 80639, Germany
- Phone: +49 22 198 253 169
9. OSKI Solutions
OSKI Solutions builds mobile applications using native and cross-platform technologies and provides the services surrounding a production software launch. Its delivery scope includes discovery, UX/UI design, application development, backend APIs, integration, app-store submission, testing, and maintenance. The company also has a financial software practice focused on custom fintech systems and digital services.
For a mobile banking product, this combination brings mobile interfaces and underlying application services into a coordinated engineering workflow. OSKI works on custom software, cloud infrastructure, security, and system integration, making it applicable to projects that need an app connected to payments, customer information, or internal operational tools. Its mobile offering covers both iOS and Android distribution.
Key Facts
- Best for: Fintech companies combining mobile applications and custom backends
- Core services: Mobile development, UX/UI, APIs, testing, maintenance
- Specialization: Custom software and fintech applications
- Technology coverage: Native and cross-platform mobile development
- Headquarters: Tallinn, Estonia
- Team size: 51–200 employees
Contact Information
- Website: oski.site
- Email: etis.ikso@tcatnoc
- LinkedIn: www.linkedin.com/company/oski-solutions
10. 10Clouds
10Clouds develops fintech products that connect mobile interfaces with payment systems, identity verification, and financial infrastructure. Its offering includes mobile-first banking and wallet applications with card management, spending insights, biometric login, and transaction notifications. The team also works with API-led financial architecture and banking-as-a-service integrations.
Finance-related projects in its portfolio include a savings application for Crescent and identity technology engagements for Trust Stamp. The company brings product design, iOS and Android development, backend engineering, and security-conscious software delivery together. It is especially relevant where a banking app forms part of a broader fintech product involving onboarding, wallet capabilities, or integrations with third-party providers.
Key Facts
- Best for: Fintech startups developing mobile-first financial products
- Core services: Mobile banking, wallet apps, fintech product engineering, UX/UI
- Specialization: Open banking APIs, payments, identity, fintech integrations
- Headquarters: Warsaw, Poland
- Founded: 2009
- Team size: 51–200 employees
Contact Information
- Website: 10clouds.com
- Email: moc.sduolc01@olleh
- Facebook: www.facebook.com/10Clouds
- Twitter: x.com/10clouds
- LinkedIn: www.linkedin.com/company/10clouds-com
- Instagram: www.instagram.com/10clouds
- Address: Chmielna 73, 00-801 Warsaw, Poland
- Phone: +48 573 173 773
11. Appinventiv
Appinventiv offers mobile and digital banking software development covering customer-facing apps, payment functionality, core banking modernization, and financial integrations. Its banking service line includes API-first architecture, transaction processing, and digital access across mobile and web channels. The company's engineering work also addresses fraud detection, secure authentication, and data integration.
An institution seeking a new mobile banking channel can draw on Appinventiv's combination of mobile development, backend systems, and modernization services. The company describes modular core banking platforms and open-banking integrations alongside app delivery, so its relevance extends beyond interface design. It is suited to projects where customer features and underlying banking processes need to evolve together.
Key Facts
- Best for: Banks modernizing digital channels and core integrations
- Core services: Banking applications, mobile development, API integration, modernization
- Specialization: Mobile and digital banking software
- Technologies: Cloud-native and API-first financial architectures
- Headquarters: Noida, India
- Founded: 2015
- Team size: 1,001–5,000 employees
Contact Information
- Website: appinventiv.com
- Twitter: x.com/appinventiv
- LinkedIn: www.linkedin.com/company/appinventiv
- Instagram: www.instagram.com/appinventiv
- Address: Plot Number 3, Sector 135, Noida - 201304, Delhi-NCR, India
- Phone: +91 844 818 2018
12. Gilzor
Gilzor develops mobile applications for iOS and Android, with work spanning product discovery, business analysis, interface design, development, testing, and post-release improvements. Its fintech experience includes financial mobile applications that require dependable account interaction, payment functions, financial data presentation, and integration with existing systems.
The company has also published a project example involving a fintech Android application that required architecture changes, network-layer redevelopment, critical bug fixes, and new features before release. Gilzor is relevant to financial startups shaping a new mobile product and to established teams that need a development partner to repair, extend, or modernize an existing financial app without losing focus on the end-user experience.
Key Facts
- Best for: Fintech startup apps and modernization of existing mobile products
- Core services: iOS and Android development, UX/UI, business analysis, QA
- Specialization: Custom mobile products and fintech applications
- Notable projects: Android fintech application architecture and release improvements
- Headquarters: Warsaw, Poland
Contact Information
- Website: www.gilzor.com
- Email: moc.rozlig@stcatnoc
- LinkedIn: www.linkedin.com/company/gilzor-softwaredevelopment
- Address: Poland, Warsaw, Office 58, street Adama Mickiewicza 37, 01-625
13. Itransition
Itransition develops mobile banking applications for financial institutions, from product consulting and interface design to delivery and ongoing support. Its dedicated banking services include native and cross-platform development, app modernization, and integration with core banking systems and third-party services. The company works on customer-facing features such as account and card management, transaction histories, payment workflows, and personal finance dashboards.
Security is a defined part of this work. Itransition implements controls such as encryption, multi-factor authentication, biometric verification, and transaction alerts. It also provides mobile banking app testing, deployment, maintenance, and upgrades to existing products. This combination is particularly relevant to banks expanding digital self-service or updating legacy mobile channels while keeping customer experiences connected to the institution's underlying systems.
Key Facts
- Best for: Banks and financial institutions developing or modernizing mobile channels
- Core services: Mobile banking app development, consulting, modernization, integration
- Technologies: Swift, Kotlin, React Native, Flutter
- Financial project experience: Mobile banking apps, account management, payments, banking integrations
- Founded: 1998
- Team size: 1,001–5,000 employees
Contact Information
- Website: www.itransition.com
- Email: moc.noitisnarti@ofni
- LinkedIn: www.linkedin.com/company/itransition
- Facebook: www.facebook.com/Itransition
- Twitter: x.com/itransition
- Address: 160 Clairemont Ave, Suite 200, Decatur, GA 30030
- Phone: +1 720 207 2820
14. Tata Consultancy Services (TCS)
Tata Consultancy Services provides enterprise banking platforms through TCS BaNCS, including digital banking applications for financial institutions. TCS BaNCS Digital supports mobile and browser experiences, customer account opening, multi-channel services, and integration with a bank's broader product environment. The suite includes an application development kit for configuring and launching digital banking experiences.
TCS combines this digital channel capability with large-scale banking platform software and APIs. Its approach is relevant to financial institutions pursuing coordinated modernization rather than treating a mobile application as an isolated product. A bank can use digital app components, configurable workflows, and integration capabilities to connect mobile customer journeys with its core systems and evolving banking operations.
Key Facts
- Best for: Financial institutions with complex digital banking transformation programs
- Core services: TCS BaNCS Digital, banking platforms, digital apps, APIs
- Specialization: Enterprise digital and core banking systems
- Notable strength: Digital banking application development kit and platform integration
- Headquarters: Mumbai, India
- Founded: 1968
- Team size: 10,001+ employees
Contact Information
- Website: www.tcs.com
- Email: moc.sct@gnitekram.aidni
- Instagram: www.instagram.com/tcsglobal
- LinkedIn: www.linkedin.com/company/tata-consultancy-services
- Twitter: x.com/TCS
- Facebook: www.facebook.com/TataConsultancyServices
- Address: 9th Floor, Nirmal Building, Nariman Point, Mumbai 400 021, India
- Phone: +91 22 6778 9595
15. Mobian
Mobian develops mobile applications for financial services organizations, including banks, fintech startups, investment firms, and other financial providers. Its dedicated fintech app offering covers mobile banking services, personal finance management, investment tools, loan and credit functions, transaction monitoring, and financial record access. The company works with both iOS and Android experiences.
Integration and mobile usability are central to Mobian's service description. It addresses connections with financial data providers, device functionality, and systems used by financial professionals and customers. That scope is relevant to institutions aiming to extend existing financial services onto mobile devices or build a customer-facing application with account data, financial monitoring, notifications, and linked business processes.
Key Facts
- Best for: Mobile fintech and financial management applications
- Core services: Fintech mobile apps, mobile banking, financial software
- Specialization: Personal finance, monitoring, loans, and investment workflows
- Headquarters: Tallinn, Estonia
Contact Information
- Website: mobian.studio
- Email: oiduts.naibom@ofni
- LinkedIn: www.linkedin.com/company/mobian-studio
- Address: Masina tn 22, Kesklinna linnaosa, Tallinn 10113, Estonia
Comparison Table
| Company | Best for | Headquarters | Founded | Team size |
| Itexus | Banks, neobanks, credit unions, and fintech product teams | Dover, DE, USA | 2013 | 150+ engineers |
| ScienceSoft | Banks modernizing or extending existing mobile banking apps | McKinney, TX, USA | 1989 | 501–1,000 employees |
| DashDevs | Neobanks and fintechs launching on BaaS partners | Wilmington, DE, USA | 2011 | 51–200 employees |
| Intellias | European digital banks needing mobile and core systems | — | 2002 | 1,001–5,000 employees |
| Yalantis | Neobanks and fintech businesses with integration-heavy mobile products | — | 2008 | 201–500 employees |
| Miquido | Established banks expanding or modernizing mobile channels | Krakow, Poland | 2011 | 201–500 employees |
| A-listware | Financial services teams supplementing internal engineering capacity | London, UK | — | — |
| Andersen | Banks combining mobile app development with system modernization | Warsaw, Poland | 2007 | 1,001–5,000 employees |
| OSKI Solutions | Fintech companies combining mobile applications and custom backends | Tallinn, Estonia | — | 51–200 employees |
| 10Clouds | Fintech startups developing mobile-first financial products | Warsaw, Poland | 2009 | 51–200 employees |
| Appinventiv | Banks modernizing digital channels and core integrations | Noida, India | 2015 | 1,001–5,000 employees |
| Gilzor | Fintech startup apps and modernization of existing mobile products | Warsaw, Poland | — | — |
| Itransition | Banks and financial institutions developing or modernizing mobile channels | — | 1998 | 1,001–5,000 employees |
| Tata Consultancy Services (TCS) | Financial institutions with complex digital banking transformation programs | Mumbai, India | 1968 | 10,001+ employees |
| Mobian | Mobile fintech and financial management applications | Tallinn, Estonia | — | — |
How to Choose a Mobile Banking App Development Company
A mobile banking app is only as good as its connection to the core banking system, its security, and its approval path with regulators and app stores. Choose a partner who has shipped live banking apps, not just attractive prototypes, and who can work within your bank's risk and compliance processes.
Core banking integration record. Ask which core systems they have integrated with, such as Temenos, Finastra, FIS, Jack Henry, or a custom ledger, and how they handled latency, batch windows, and outages. Request an architecture diagram from a past project. A vendor that only builds front ends will push the hardest work, middleware and APIs, back onto your internal team.
Security built into delivery. Check how they implement certificate pinning, secure storage, jailbreak and root detection, and session handling. Ask whether they follow OWASP MASVS and whether their apps have passed independent penetration tests. Look for secure coding reviews in their pipeline, not a single security check before launch. Ask how quickly they patched a vulnerability found after release.
Authentication and onboarding. Biometric login, device binding, step-up authentication for payments, and digital KYC onboarding are where users judge a banking app. Ask to see flows they have built, and how they handled strong customer authentication rules in markets like the EU or UK. Check which identity verification providers they have integrated and how they handle failed or partial verification.
Regulatory and audit readiness. Banks need audit trails, data residency controls, and documentation that satisfies internal risk teams and regulators. Ask what artifacts they deliver: threat models, data flow diagrams, test evidence, and change logs. Experience with PCI DSS, GDPR, PSD2, or local banking regulators should be shown through past projects, not claimed in a sales deck.
Release and support model. Banking apps need frequent updates for OS changes, security patches, and new features, without breaking customer access. Ask about their release frequency, app store review experience, feature flagging, and rollback approach. Clarify support hours, incident response times, and who monitors crash rates and failed transactions after launch.
Accessibility and performance. A banking app serves customers of every age and ability on older devices and weak connections. Ask how they test against WCAG guidelines, screen readers, and large text settings. Request performance targets for app launch and balance loading on low-end devices. Vendors with banking experience treat these as requirements from the first sprint.
Conclusion
Mobile banking development now reaches well beyond account balances and simple transfers. Customers expect quick onboarding, clear transaction information, and consistent access to services, while financial institutions still need resilient systems and careful control over sensitive data. Strong delivery depends on understanding how an app fits within payment infrastructure, identity services, core banking platforms, and the wider technology estate. Native and cross-platform development both have a place, but architecture, integration quality, testing, and maintenance often determine how a product performs after launch. As financial services continue to expand across digital channels, the ability to update banking software without disrupting existing operations remains essential.
Frequently Asked Questions
How much does it cost to build a mobile banking app?
A mobile banking app typically costs from the low hundreds of thousands of dollars for a focused MVP to well over a million for a full-featured app at an established bank. The main cost drivers are core banking integration, the number of features such as payments, cards, and lending, native versus cross-platform development, security testing, and compliance documentation. Integration work is often underestimated.
How long does mobile banking app development take?
An MVP with account viewing, transfers, and secure login often takes six to nine months. A full app with onboarding, card controls, payments, and personalized features commonly takes a year or more. Timelines depend heavily on access to core banking APIs, internal security reviews, and regulatory approvals, which can take longer than the development itself.
Should we build a custom app or use a white-label banking platform?
A white-label platform gets you to market faster with lower upfront cost, but limits differentiation and ties you to the vendor's roadmap. Custom development costs more and takes longer, but gives full control over the experience and integrations. Many banks combine both: a licensed digital banking platform for standard features plus custom modules where they want to stand out.
Native or cross-platform for a banking app?
Both work for banking apps today. Native development with Swift and Kotlin gives the most direct access to platform security features and the best performance. Cross-platform frameworks such as Flutter or React Native reduce cost by sharing code between iOS and Android. The deciding factors are usually your existing team's skills, the security requirements, and how much platform-specific functionality you need.
What compliance requirements apply to mobile banking apps?
Requirements depend on your market and products. Common ones include PCI DSS for card data, GDPR or similar privacy laws, PSD2 strong customer authentication in Europe, KYC and AML rules for onboarding, and accessibility laws. Your regulator may also expect outsourcing risk assessments of the development vendor. Confirm the vendor can produce the documentation your compliance team will request.