Devsinc builds custom iOS, Android, and cross-platform apps around your users and the systems your business already runs. Our team handles product design, engineering, integration, testing, and launch, with support for the releases that follow.
Custom Mobile Apps Shipped
Total Downloads
Years of Mobile App Development
Mobile app projects can lose time and trust through rushed releases, confusing experiences, unreliable integrations, and overlooked security risks. Here's how Devsinc addresses them.
Late testing and store preparation can delay launch. We plan release checks, device testing, and submission requirements early, including App Store and Google Play review dependencies.
Complicated onboarding and unnecessary steps can weaken engagement. We validate key user journeys through UX design and prototype feedback before development decisions are locked in.
Build a new app or extend an existing one with Devsinc’s custom mobile app development services.
Devsinc builds iPhone and iPad apps with Swift and Apple's Human Interface Guidelines in mind. Native frameworks support features such as camera, location, payments, notifications, and widgets when needed. We account for supported devices and App Store review requirements throughout development.
Android apps must work across different screen sizes, OS versions, and device capabilities. We develop in Kotlin, plan for fragmentation early, and test against the devices your users rely on. This helps uncover compatibility and performance issues before release, including on older phones.
With React Native or Flutter, we develop iOS and Android apps from a shared codebase where it fits. We review interface needs, team skills, and native features before choosing a framework. Shared logic can simplify maintenance, with platform-specific code for features that need it.
Mobile apps depend on more than the interface. We connect them to CRMs, ERPs, payment gateways, and identity providers through APIs, authentication, and data synchronization. We also plan offline behavior and recovery when connectivity returns, helping field teams and back-office systems stay aligned.
AI features should solve a specific user problem. We work with recognition, voice, personalization, and prediction capabilities, deciding what runs on a device and what belongs in the cloud. Model accuracy, latency, battery use, data privacy, and operating costs shape that decision.
Preparing an app for launch means more than submitting a build. We handle App Store and Google Play listings, screenshots, privacy disclosures, submissions, and reviewer feedback within the agreed scope. After release, install and conversion data can inform listing improvements; Apple and Google control approvals.
Mobile apps need attention after launch as iOS and Android change. Depending on the agreed support scope, we handle compatibility updates, crash monitoring, bug fixes, and security patches. We also plan feature releases against your roadmap so maintenance stays connected to product priorities.
Two projects show how mobile development supports insurance self-service and verified field reporting through business-system integration.
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Application EngineeringChoosing a mobile application development company involves more than comparing technologies. Devsinc brings platform engineering, business-system integration, store submission, and post-launch planning into a coordinated delivery approach, with real project experience behind the work.
Devsinc builds native apps with Swift and Kotlin, and evaluates React Native or Flutter when shared code makes sense. IGI’s Phase 1 Flutter MVP shows that choice in practice across iOS and Android.
For a UAE infrastructure project, Devsinc connected a React Native app and web portal to Dynamics 365, HRWorks, and Transmech. Site teams can report progress with photo evidence while office teams access connected data.
App Store and Google Play submissions involve release builds, listings, privacy information, and reviewer feedback. We plan those tasks with the client from the outset, while Apple and Google retain control of final approval.
After launch, support can cover OS compatibility, crash monitoring, security fixes, and new features. We define maintenance responsibilities and handover with each client so future releases have clear ownership and an agreed scope.
The right choice between native and cross-platform development depends on your users, the device features and integrations your app needs, your team’s expertise, and long-term maintenance. Deciding before these requirements are clear can lead to rework and higher costs later. Devsinc reviews these factors with you before recommending an approach. No single development approach is right for every product.
| Factor | NativeiOS | NativeAndroid | Cross-platformReact Native | Cross-platformFlutter |
|---|---|---|---|---|
| Language | Swift (and Objective-C for legacy apps) | Kotlin (and Java for legacy apps) | JavaScript or TypeScript | Dart |
| UI framework | SwiftUI and UIKit | Jetpack Compose | React Native | Flutter |
| Codebase | iOS-specific | Android-specific | Shared iOS/Android; native modules when needed | Shared iOS/Android; plugins or native code when needed |
| Often suitable for | Apple-first apps requiring iOS-specific features | Android-first apps with varied device requirements | Two-platform apps, especially with React/TypeScript expertise | Two-platform apps needing highly customized shared UI |
| What to evaluate | Apple APIs, supported devices, release requirements | Device compatibility, OS support, Google Play requirements | SDK compatibility, native integrations, performance | Plugin support, native integrations, performance, app size |
Still deciding? We review user journeys, device requirements, integrations, target platforms, and long-term maintenance needs before recommending an approach.
Book a ConsultationSecure development, device testing, store submission, and documented responsibilities help prepare an app for release.
Authentication, permissions, storage, and third-party dependencies.
Key user journeys and compatibility on target iOS and Android devices.
Loading, connectivity, and stability checks against release criteria.
Release builds, privacy disclosures, submissions, and reviewer feedback.
Data handling, store accounts, and handover terms agreed in scope.
Four stages take your app from first conversation to a store release you can stand behind. Each one ends with a concrete deliverable and a review point, so you always know what is done and what comes next.
We align on goals, users, platforms and integrations, then turn them into a scoped plan. You receive a prioritized feature list, user flows and a release plan, with acceptance criteria agreed up front.
We define the app and backend architecture and prototype the key user journeys. You review and test the experience before development starts, while design and technical changes are still inexpensive.
We build in short sprints with regular demos, automated tests and checks on real iOS and Android devices. Each sprint ends with working software you can review against the agreed acceptance criteria.
We prepare release builds and manage App Store and Google Play submission, including listings and reviewer feedback, then monitor stability after launch. The next releases, including OS compatibility updates, are planned with you.
Two ways to work with us, matched to how your team is set up. Choose the one that fits your roadmap, and we agree roles, handoffs, and reporting before the first sprint begins, so there is no ambiguity about who owns what.
Best for product teams with their own roadmap that need mobile capacity without a hiring cycle. Hire a mobile app development team that works alongside your existing product and engineering teams: Devsinc iOS, Android or cross-platform engineers join your sprints, tools, and rituals. You keep control of priorities and product decisions, and we contribute delivery speed and mobile depth. Handoffs follow your existing repositories, review process, and release cadence.
Best for companies that want one accountable partner for the whole app. Devsinc coordinates discovery, design, engineering, testing, store submission, and post-launch support, with a documented handover of code, store accounts, and architecture, on terms confirmed in your agreement. You get a single point of accountability and one delivery plan, instead of coordinating separate design, development and QA vendors.
Modern, reliable, scalable technologies, chosen to fit your product.
Swift
SwiftUI
UIKit
Kotlin
Jetpack Compose
Android SDK
React Native
Flutter
Node.js
Python
Java
.NET
REST
GraphQL
PostgreSQL
MySQL
MongoDB
Redis
SwiftData
SQLite
Realm
AWS
Azure
Google Cloud
Firebase
Docker
Kubernetes
GitHub Actions
FastlaneMobile requirements differ by industry. We design around the workflows, integrations, and data needs behind each app.
Connect product search, checkout, loyalty, and inventory data to commerce platforms and existing back-office systems.
Support reservations, itinerary changes, mobile check-in, and notifications through booking and property-management system integrations.
We work across many other sectors too.
Tell us about your users and constraints, and we’ll walk you through how we’d approach your app.
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Helps us understand traffic sources, page performance and visitor interactions, and measure campaign attribution so we can improve the website experience.
Helps us measure advertising performance and understand visits and conversions from advertising platforms.
Supports optional social and media integrations and helps measure engagement with social or embedded content.
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