since 2014 · finance, banking & fintech mobile
Custom Finance & Fintech App Development — iOS & Android
FlexiApps builds custom finance mobile apps in React Native — fund & portfolio management, banking & neobank, financial reporting, investment simulator. Bank-grade security (AES-256, biometrics, certificate pinning), GDPR & FCA compliance. iOS & Android from a single codebase. MVP delivered in 8 weeks. Discover our React Native agency for all the technical details.
Why build a custom finance mobile app in 2026?
The global fintech mobile app market reaches $310 billion in 2026, with 23% annual growth according to Grand View Research. In the UK, 74% of financial services users prefer a dedicated mobile app over a web portal — and institutions with a custom mobile app record 2.4× higher client retention (McKinsey 2025).
Building a custom finance mobile app in React Native lets you deliver exactly the experience your clients and regulator demand — real-time portfolio consultation, secure order placement, regulatory reporting — without the constraints of generic SaaS solutions. A custom-built mobile banking app also lets you fully control your security architecture, GDPR compliance and FCA/PRA obligations.
FlexiApps has built finance iOS & Android mobile apps since 2014 for financial institutions in the UK (London, Manchester), Morocco (Casablanca, Rabat), Qatar (Doha) and UAE (Dubai, Abu Dhabi). Our references portfolio includes OPCVM Direct for BMCE Capital Gestion, a fund portfolio management app live on the App Store and Google Play.
Trusted by financial institutions worldwide
Generic fintech SaaS vs custom finance app
Generic SaaS solutions (Backbase, Mambu, Finastra) cover 80% of standard needs. But if your business has specific requirements — fund management, discretionary mandates, Islamic banking, FCA reporting — custom is the only answer. Ask our team for advice.
Backbase / Mambu / Finastra
Works for an institution wanting to launch quickly on standard features. Becomes a blocker once your business has specific rules or local compliance is critical.
Custom React Native finance app
The right choice once your business has specific rules, data sovereignty matters and local regulatory compliance is critical. See our references portfolio.
Custom finance & fintech mobile app development
From secure architecture to store deployment, we manage the full lifecycle of your finance app. Need a finance app with agentic AI? We have that use case covered.
Fund & portfolio management
OPCVM Direct-style app — real-time portfolio consultation, order placement, investment simulator and financial documents.
- Real-time portfolio consultation & valuation
- Subscription & redemption order placement
- Investment simulator & yield projection
- Regulatory reporting & documents in-app
- Push alerts for movements & performance
Banking & neobank mobile app
Custom banking app — account consultation, transfers, mobile payments, Open Banking integration and PSD2 compliance.
- Account consultation & transaction history
- SEPA & international transfers
- NFC & QR code mobile payments
- Open Banking integration (UK OB, TrueLayer, Plaid)
- Mobile KYC onboarding & identity verification
Financial reporting & dashboard
Investor dashboard and back-office manager — interactive charts, regulatory reporting, exports and configurable alerts.
- Interactive performance & allocation charts
- Automated regulatory reporting
- PDF & Excel statement exports
- Market alerts & configurable thresholds
- Multi-account & multi-entity dashboard
Fund management app already live — BMCE Capital Gestion
OPCVM Direct is a real-world example of what FlexiApps delivers for a financial institution — live on the App Store and Google Play.
Mobile fund portfolio management
OPCVM Direct
What we guarantee on every finance app project
Commitments written into the contract. Verify them in our references portfolio.
Bank-grade security
AES-256 encryption, biometric authentication (Face ID, Touch ID), certificate pinning, anti-jailbreak/root protection, 2FA OTP, session timeout. Pentest before every deployment.
Regulatory compliance included
GDPR, FCA, PRA (UK) · CNDP, GPBM (Morocco) — compliance is built into the architecture from the scoping phase, not added at the end. We collaborate with your DPO and compliance officer.
Contractualised timelines — 8-week MVP
Finance MVP (iOS + Android) in 8 to 12 weeks — timeline justified by security constraints. Real-time GitHub access, testable builds on TestFlight and Firebase at every sprint.
iOS and Android simultaneously
One React Native codebase deployed to the App Store and Google Play. OTA updates for fixes without going back through store review — critical in finance.
Design validated before development
Every screen — client app, back-office, admin dashboard — is prototyped in your preferred design tool before the first commit. Design files are fully handed over.
Full code sovereignty
Git, design files, technical and security architecture documentation — everything is yours. No retention clause. A strategic issue in financial services — you can have the code audited by your internal team or a specialist firm.
Our stack for finance & fintech apps
Every choice is justified by financial sector requirements — bank-grade security, real-time APIs, regulatory compliance and chart performance. Our senior React Native developers have shipped finance apps in production.
Finance & fintech apps delivered — React Native use cases
Every finance vertical has its own technical and regulatory requirements. FlexiApps has delivered apps in each of these areas.
Fund & investment management — BMCE Capital model
Fund portfolio management app — real-time consultation, order placement, simulator, documents. Reference: OPCVM Direct on the App Store →
Banking & neobank mobile app
Custom banking app — accounts, transfers, NFC payments, KYC onboarding, UK Open Banking. FCA/PRA compliance, architecture hosted on your servers.
Financial reporting & investor dashboard
Interactive dashboard for fund managers and investors — performance, allocation, automated regulatory reporting, market alerts and PDF/Excel exports.
Insurance & brokerage mobile app
Insurer or broker app — online subscription, claims management, documents, premium payments. FCA/PRA compliance, paperless onboarding.
B2B payments & invoicing app
Business payments platform — batch transfers, reconciliation, automated invoicing, UK Open Banking API, PSD2 compliance.
Islamic finance & Sharia-compliant funds
App compliant with Islamic finance principles — Sharia funds, riba-free, halal sector filters, Zakat reporting and AAOIFI certification.
Why choose FlexiApps to build your finance app?
FlexiApps is a nearshore mobile agency since 2014. GMT+1, English-speaking team, 150+ apps delivered including for regulated financial institutions.
Nearshore pricing, senior expertise
From $15,000 for a custom finance app MVP, up to $150,000 for a full fintech platform — where a London firm charges 2 to 3× more. Invoiced in USD or EUR, compliance included.
Bank-grade security — not an add-on
AES-256, biometrics, certificate pinning, jailbreak/root protection and pentest are included in every finance project — not a billed extra. This is our standard for finance.
GDPR · FCA · CNDP Compliance
Our teams master financial sector regulatory constraints — GDPR, FCA, PRA (UK) and CNDP, GPBM (Morocco). Compliance is built into the architecture from day one.
Full code sovereignty
Git, design files, security architecture documentation — everything is yours at delivery. You can have the code audited by your internal team or a specialist firm. See our privacy policy.
UK, Morocco, GCC and worldwide
We work with financial institutions in the UK (London, Manchester), Morocco (Casablanca, Rabat), Qatar (Doha), UAE (Dubai) and worldwide. Responding in English or French.
Financial AI natively integrated
Credit scoring, portfolio recommendations, fraud detection, banking chatbot — our teams integrate agentic AI modules into your finance apps.
The real answers to your finance app questions
Estimate the cost of your finance mobile app
Budget in USD, timeline in weeks. For a precise quote, contact our team.
Let's build your finance app together
Financial institution, fund manager, fintech or bank — our team replies within 24h in English or French. Free quote, no commitment. Check our references portfolio and our client list before reaching out.
FlexiApps · Finance & fintech app development agency since 2014 · +212 66 00 11 456 · contact@flexiapps.net · See our references →