Build · App Development
Mobile apps your customers keep on their phones
ConvertriX builds Android, iOS and cross-platform mobile apps for startups and businesses across India. We handle design, development, payments, push notifications, Play Store and App Store publishing, and the maintenance that keeps an app working after every OS update.
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App Development services
Android App Development
Android apps that run smoothly on the phones your customers own
iOS App Development
iPhone and iPad apps built to pass App Store review first time
Cross-Platform Apps (Flutter / React Native)
One codebase for Android and iOS, without a second team to pay
Progressive Web Apps
App-like experiences that open from a link, with no store download
Ecommerce & Delivery Apps
Ordering and delivery apps with customer, rider and admin sides
App Maintenance & Support
Keep your app updated, compliant and live in both stores
Our approach
How we decide what to build
An app earns its place on a phone by doing one job better than a website can: working offline, sending timely notifications, scanning, tracking location or making repeat orders effortless. If a progressive web app would do the job, we will tell you, because it costs less to build and maintain.
When a native or cross-platform app is the right call, we design for the phones your users actually own. In India that means testing on mid-range and low-RAM Android devices, keeping the download small, handling weak networks gracefully, and supporting UPI intents and gateways like Razorpay at checkout.
We ship in phases, starting with the core flow, and release builds to you for testing every sprint. Store listings, privacy disclosures and review submissions are handled by us, with the developer accounts in your name.
FAQ
App Development: common questions
How long does it take to build a mobile app?
A focused first version usually takes a few months from approved designs, and more for apps with real-time features, multiple user roles or complex back-ends. We break the project into milestones so you see a working build early, and the proposal lists exactly what is in each phase.
Should I build native or cross-platform?
For most business apps, Flutter or React Native gives one codebase for Android and iOS at lower cost with near-native performance. Native Kotlin or Swift makes sense when you need heavy device features, top-end animation or platform-specific behaviour. We recommend one after looking at your feature list.
Do you publish the app to Play Store and App Store?
Yes. We prepare store listings, screenshots, privacy disclosures and data-safety forms, submit builds, and respond to review feedback. The developer accounts are registered in your company's name so you own the listing outright.
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Tell us what you want to build or grow
Share a few details and get a fixed-scope quote within one working day. Prefer to talk? Call or WhatsApp us.