People searching for mobile app development cost in Sri Lanka usually want a number. A responsible answer starts with what the number depends on, because two apps that each "let customers book" can be very different amounts of work. We do not publish fixed prices, so this guide explains the factors rather than quoting figures.
First: do you need an app at all?
The cheapest app is the one you do not build. A well-made mobile website or web app often serves customers who use your service occasionally, at a lower cost. An app earns its cost when you need offline use, push notifications, deep device features or a daily habit. We cover how to decide in web app vs mobile app.
Platforms and how it is built
Building for iOS, Android or both changes the work. Cross-platform tools such as Flutter let one codebase serve both, which suits most business apps. A fully native build for each platform is more work and makes sense when the product depends on advanced platform features.
Screens, flows and user roles
The number and complexity of screens is a large driver, and so is the number of user types. An app for customers only is simpler than one with customers, staff and an admin, each seeing different things.
Features that cost more than they look
Offline support means deciding what is stored on the device and how it syncs. Push notifications, camera and location use, in-app payments and account sign-in each add design, build and testing. Describe the exact behaviour you need, not just the feature name.
The back-end nobody sees
Most apps need a server behind them to store data, manage accounts and connect to other systems. Often the back-end is as much work as the app itself. If you already have a system the app must work with, say so early.
Design
Mobile screens leave little room for error. Time spent on UI/UX design and prototypes before building is usually recovered by fewer changes later.
Store release and maintenance
Publishing through the App Store and Play Store involves listings, builds and review feedback. After launch, iOS and Android change every year, so the app needs updating to keep working. Maintenance is a real part of the cost of owning an app.
How to compare quotes
Give every vendor the same brief: platforms, user roles, key features, integrations and who will own the developer accounts and code. Ask what happens after launch and how updates are priced. For our approach, see how we price projects and mobile app development, or talk to us about your app idea.
This is how we approach mobile app development projects.
Mobile App Development