Mobile App Development

Mobile App Development for Finance & Fintech

Financial apps carry the highest trust burden of any app category — users are granting access to their bank accounts, investment portfolios, or payment instruments. Security, reliability, and transparency aren't differentiators in fintech apps; they're the baseline from which the product is evaluated.

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The Real Challenges Finance & Fintech Face with Mobile Apps

Mobile App Development for financial services firms and fintech companies comes with industry-specific constraints that a generic agency won't anticipate.

  • 1

    Jailbreak and root detection is mandatory for any app accessing financial accounts — compromised devices must be refused access gracefully

  • 2

    Certificate pinning prevents man-in-the-middle attacks on financial API calls but requires a managed rotation strategy

  • 3

    Biometric authentication with secure enclave key storage is the expected standard — password-only auth fails enterprise security reviews

  • 4

    Financial apps are a prime target for screenshot and screen recording attacks — sensitive data screens need overlay protection

Our Approach for Finance & Fintech

Security is the first sprint, not the last. We implement OWASP Mobile Top 10 controls before building any features, and conduct a security review before App Store submission.

Outcomes for Finance & Fintech

  • Apps that pass financial enterprise security assessments (common requirement for B2B fintech)
  • Plaid Link, Open Banking, and brokerage API integrations with proper token refresh and revocation handling
  • Biometric + secure enclave authentication that meets PSD2 Strong Customer Authentication requirements for EU markets

Deliverables

  • iOS and Android application
  • UI/UX design system
  • API integration and backend services
  • App Store / Play Store submission
  • Analytics and crash reporting setup

Questions from Finance & Fintech

How do you handle Plaid integration for bank connectivity?
We implement Plaid Link with proper token exchange, webhook handling for account updates, and graceful re-authentication flows when tokens expire. We also implement Plaid's identity verification where required by your compliance team.
Can you build a trading or investment app?
Yes. We've built apps integrating with broker-dealer APIs (Alpaca, DriveWealth, Interactive Brokers) for investment apps, including real-time quotes, order management, and portfolio tracking.

Ready to get started?

Book a free strategy call. We'll scope your project and send a proposal within 24 hours.

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