The Mobile App Development Process: 7 Stages from Idea to Store
What stages does a mobile app idea go through before it is published on the App Store and Google Play? What happens at each stage, what is expected of you and where is time most often lost?
Alp3 min read
Developing a mobile app is not just a matter of coding screens. It is a process that runs from clarifying the idea to store approval, and from there to post-release maintenance. Knowing this process from the start lets you plan both the schedule and the budget more realistically.
1. Discovery and scope
In the first stage, it is made clear which problem the app will solve and for whom. The user groups, the core use cases and the functions that must be in the first version are identified. The output of this stage is a scope document, a priority list and a rough schedule.
When defining the scope, leaving “nice-to-have” requests for later versions is the project's biggest accelerator.
2. User experience and interface design
First the flows are mapped out: when users open the app, what steps take them to their goal? Then the wireframes and the visual design of the screens are prepared. A clickable prototype allows you to try out the flow with real users before development begins. A change made at the design stage is far cheaper than the same change made after the code has been written.
3. Technology choice
The fundamental decision is whether the app will be developed separately for iOS and Android (native) or with a single codebase (for example, Flutter). The decision is made according to the target platforms, how dependent the app is on device hardware, the team's experience and the maintenance budget. At the same stage, the server side, the database and the third-party services (payment, maps, notifications) are also determined.
4. Development
Development usually proceeds on two tracks: the app itself and the back end that feeds it (API, database, admin panel). The work is divided into short cycles; at the end of each cycle, a version that can be tried out is shared. This method ensures that a misunderstood requirement is noticed within days, not months later.
5. Testing
- Functional testing: Does every scenario work as expected?
- Device and version testing: Are the appearance and behavior correct across different screen sizes and operating system versions?
- Performance and network testing: How does the app behave on a weak connection or when offline?
- Security testing: Are sessions, permissions and data storage set up correctly?
Before release, the app can be opened to a limited group of users through Apple's TestFlight and Google Play's testing tracks.
6. Store release
To publish the app, developer accounts are opened in the name of your business. Apple charges an annual membership fee, while Google charges a one-time registration fee. Both stores review the app before release and ask for the following:
- An app description, screenshots and a link to the privacy policy,
- A declaration of which data is collected (privacy labels on the App Store, the data safety form on Google Play),
- In apps where an account can be created, a way for users to delete their account.
For newly opened personal developer accounts, Google may require closed testing before the app goes to production. For this reason, and so that the account does not remain tied to an individual, it is sounder to open the accounts as organization accounts.
7. After release
Release is not the moment the work ends but the moment real data starts coming in. Crash reports and usage statistics are monitored, user reviews are answered and bugs are fixed. Because operating systems are updated every year, the app also needs regular maintenance.
What affects the timeline the most?
The main factors that determine the schedule are the number of screens and functions, the integrations (payment, ERP, maps), the need to work offline and how original the design is. Giving feedback quickly is at least as decisive as the technical scope.
Starting with a narrowly scoped first version and growing based on real user data is the safest path in most projects.
If you would like to talk the process through in terms of your own project, you can take a look at our mobile app development service or get in touch with us.