How long does it take to build an app?
Realistic timelines for building a mobile app, what speeds things up, and what slows projects down.
EvoAstra team14 Nov 2026 · 3 min read- A focused first version often takes a few months, not a few weeks
- Clear scope and fast feedback save more time than extra developers
- Store review and testing need time in the plan
It is one of the first questions every founder asks, and the honest answer is: it depends on what the app must do on day one. Here is how the time usually breaks down, so you can plan realistically.
- Weeks 1-2Discovery, scope and user flows
- Weeks 3-5Design of key screens
- Weeks 6-12Development and integrations
- Weeks 12-14Testing and fixes
- Week 15Store submission and launch
What takes the time
- Screens and user flows: every extra flow adds design, build and testing
- Integrations: payments, maps, chat, SMS, CRMs and third-party APIs
- Admin panels: the tools your team needs to manage users and content
- Accounts, roles and permissions
- Testing on many devices and network conditions
What speeds things up
A tight first version with only the features users need to get value. Quick decisions and feedback from one person on your side. Using proven building blocks for login, payments and notifications rather than building everything from scratch.
What slows projects down
Changing scope mid-build, waiting days for approvals, unclear content and late discovery of features someone assumed were included. A written scope with screens and features avoids most of this.
Cross-platform can save time
Frameworks such as Flutter and React Native let one team build for Android and iPhone together. For most business apps this shortens timelines compared with two separate native apps.
- Written list of must-have features
- Key user flows sketched
- Who approves designs
- Content and branding ready
- Store accounts in your name
Plan for after launch
The first version is the start. Budget time and money for fixes, improvements and the features users ask for once they start using it.
Tell us what you’re working on. Free estimate within 24 hours, NDA on request.