Services
Mobile App Development for Android & iOS
Android and iPhone apps, from first MVP to full-scale products, launched on the stores.
AppSage builds mobile apps for Android and iPhone that people actually keep using. We combine strong business logic with simple, friendly design, whether you are validating a startup idea or giving thousands of customers or field staff an app they rely on every day.
From the first wireframe to the Google Play and App Store listing, one team handles design, development, testing and launch, then keeps the app updated as Android and iOS change.
Technologies we use
- Flutter
- React Native
- Kotlin
- Swift
- Ionic
- Firebase
- Node.js
- Laravel API
What's included
Everything you need, planned and delivered by one team.
Cross-platform apps
One codebase for Android and iOS with Flutter or React Native, which saves time and budget without losing quality.
Native performance
Kotlin and Swift where you need maximum speed, device features or complex animation.
MVP for startups
A focused first version in weeks, so you can test with real users before investing more.
Backend & admin panel
Secure APIs, databases, push notifications and a web admin panel to manage users and content.
Payments & integrations
Razorpay, Stripe, UPI, maps, chat, WhatsApp, CRM and ERP connections.
Store launch & support
Play Store and App Store submission, app store optimisation, crash monitoring and regular updates.
How we deliver
A simple, transparent process with a working demo at every milestone.
Discover
We learn your goals, users and constraints, then agree scope, timeline and a fixed quote.
Design
User flows and clickable designs you can review before any code is written.
Build
Development in one-to-two-week sprints, each ending with a demo you can try.
Launch & grow
Testing, go-live, training and ongoing support, improvements and SEO.
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Mobile app development: common questions
Should I build native or cross-platform?
Most business apps are best built cross-platform with Flutter or React Native: one codebase, both stores, lower cost. We recommend native only when you need heavy device features or very high performance.
How long does it take to build an app?
A focused MVP typically takes 6–10 weeks. Larger apps are delivered in milestones, with a test build you can install every sprint.
Do you publish the app to the stores?
Yes. We prepare the listings, screenshots and privacy details, submit to Google Play and the App Store, and handle review feedback.
Ready to start your mobile app development project?
Tell us what you want to build. You get a clear plan, timeline and fixed written quote, usually within one business day.