React Native and Flutter are excellent when used correctly. They produce brittle, slow, unnatural-feeling apps when teams treat them as a shortcut. The choice between native and cross-platform should be driven by your users and use case — not your budget.
Apps built by teams that think in web patterns produce experiences that feel wrong on mobile — navigation that doesn't follow platform conventions, gestures that don't work, and performance that drains batteries.
Mobile apps that aren't designed in tandem with their API layer hit integration walls late in development — when the cost of fixing them is highest. API design for mobile is a different discipline from API design for web.
Teams that haven't shipped apps before often underestimate App Store review requirements, OTA update management, device-fragmentation testing, and the ongoing cost of OS version compatibility.
Platform recommendation (native vs. cross-platform), UX flow mapping, API contract design, offline strategy, and device support matrix defined. Output: a mobile specification your team approves before build begins.
High-fidelity UI designs with platform-native conventions. An interactive prototype is validated with real users before any development begins. Design system established for consistent component delivery throughout build.
Authentication, navigation, core features, API integration, and push notification infrastructure. Two-week sprint cycles with testable builds delivered to your device at the end of each sprint.
Real-device testing across agreed matrix, performance profiling, accessibility audit, and App Store / Play Store asset preparation. Beta distribution via TestFlight and Firebase App Distribution.
App Store and Play Store submission managed end-to-end. Crash reporting and analytics live from launch day. OTA update strategy documented. Team trained on release process.
Cross-platform React Native app for a DTC retail brand — product browsing, personalized recommendations, AR try-on feature, and in-app checkout integrated with Shopify and a loyalty platform.
Outcome:
4.7
App Store rating at launch; 38% of revenue through mobile within 6 months of launch.
Native iOS app for field technicians — offline-first job management, photo capture, digital signatures, parts ordering, and real-time sync with back-office ERP on reconnect.
Outcome:
80%
reduction in paper-based processes; job completion reporting latency reduced from 48h to real-time.
Cross-platform Flutter app giving enterprise clients access to order status, invoices, account management, and a direct communication channel with account managers.
Outcome:
62%
of B2B clients moved from email/phone to in-app for routine requests within 90 days.
HIPAA-compliant React Native app for appointment booking, results delivery, medication reminders, and secure messaging — integrated with existing EHR.
Outcome:
49%
increase in appointment adherence; patient satisfaction score increased by 22 points.
We can work with your existing backend if the APIs are stable, secure, and suitable for mobile use. During discovery, we assess API performance, authentication flows, data sync, error handling, and offline requirements. If needed, we recommend improving the API rather than pushing a full backend rebuild.
Yes. We can audit your existing app for performance, UX, code quality, crash issues, API integration, store compliance, and maintainability. Based on the findings, we may recommend targeted fixes, feature upgrades, architecture refactoring, or a complete rebuild only when the existing codebase limits future development.
Performance testing starts during development, not at the end. We check app startup time, screen transitions, API response handling, memory usage, battery impact, crash behavior, and device-specific issues. For mobile app development services, this helps reduce post-launch instability and improves the user experience across supported devices.
We address mobile security through secure authentication, encrypted storage, role-based access, secure API communication, token management, biometric authentication where needed, and certificate pinning for sensitive use cases. For regulated apps, we also align the architecture with the client's compliance, privacy, and data handling requirements.
Our iOS app development services include review-readiness checks for privacy disclosures, permissions, payment flows, authentication, content rules, crash-free builds, metadata, screenshots, and TestFlight testing. While Apple controls final approval, we prepare the app to meet the App Store Review Guidelines and resolve any review issues that arise.
Yes. We can integrate Firebase, GA4, Mixpanel, Amplitude, Sentry, Crashlytics, or custom event pipelines depending on your reporting needs. We define events before launch so product, marketing, and operations teams can track onboarding, feature usage, conversions, drop-offs, errors, and retention from day one.
Since 1999, SunTec has been a trusted business process and software engineering partner for technology companies worldwide. Our team of over 1,500 full-time employees delivers innovative services every day to help our clients save time and money.
