Building a mobile app is an exciting journey, but one filled with many moving parts. From the first spark of an idea to when your app hits the app stores, each stage of development has its unique challenges, and timelines. One of the most common questions people ask when starting this journey is: How long does it take to build a mobile app?
The answer is not as simple as several days or months. Mobile Application development is a dynamic process that involves factors such as complexity, design, functionality, and market readiness. In this blog, we will discuss the time required for building various types of mobile apps and the factors influencing the app development timeline.
How Long Does Mobile App Development Take at Each Stage?
Ideation And Planning
The ideation and planning stage is essential for setting up the app’s foundation. During this time, stakeholders and development teams work together to define the app’s goals and objectives. This phase usually takes between 1 to 2 weeks, depending on how complex the app is and how clear the initial ideas are. You must search for a unique mobile app idea that could help your business generate a good amount of revenue. You can read our other blog about Biggest Money Making App Ideas to get a fantastic app idea.
Design and Prototyping
Design and prototyping focus on visualizing the app’s appearance and user experience. Wireframes map out the app’s structure, while UI/UX design involves crafting detailed elements and ensuring usability. During prototyping, stakeholders can interact with a basic version of the app before development starts. This stage typically takes 3 to 4 weeks, depending on the design’s complexity.
App Development
The development phase is the most time-intensive, usually taking 3 to 6 months. The duration varies based on the app’s complexity, feature set, and whether it’s being built for iOS, Android, or both. This stage covers coding, service integration, and crafting the app’s core functionalities. This phase usually takes 1-2 months to complete. Have a look at our blog on Top 10 Mobile App Development Frameworks in 2024 and make your app development a great success.
Testing and Quality Assurance
Testing is essential for making sure the app is reliable, performs well, and offers a great user experience. This phase includes several rounds of testing to spot and fix bugs. It generally takes 4 to 6 weeks, but the timeline can vary depending on the app’s complexity and the number of issues found.
Launch and Deployment
The launch and deployment stage is about getting the app ready for release, which includes submitting it to app stores and ensuring it meets their guidelines. This phase typically takes 1 to 2 weeks, depending on app store review times and the availability of marketing materials.
Factors Influencing App Development Timeline
Complexity of the app
Program complexity is one of the main factors that determine development time. Applications can range from simple single-purpose applications to very complex platforms with multiple inputs and capabilities.
Basic App
Simple applications, such as to-do lists, calculators, or basic information platforms, are created quickly. They include key features, a simple user interface, and back-end integration. In most cases, these projects can be developed in 3-4 months.
Mid Level Apps
Apps with moderate complexity, such as e-commerce platforms, social networking apps, or apps that require user authentication, payment gateways, or third-party API integration, take longer to develop. Development timelines for such apps usually range between 6-9 months.
Complex Apps
The most complex applications, such as on-demand services (Uber, DoorDash), enterprise-level solutions, or applications that require advanced functions such as artificial intelligence, machine learning, and real-time data processing or it may take a long time. Depending on the level of customization and complexity, complex applications can take 9-12 months or more to develop.
Platform Choice: iOS vs. Android vs. Cross-Platform
Native iOS or Android Development
Creating separate apps for iOS and Android takes more time because each platform has different development and testing processes. It has its period, which varies from 2 to 6 months depending on the difficulty.
Cross-Platform Development
Cross-platform tools allow developers to write and deploy the same code to both platforms. Although this can save time, adjusting the functions according to the original application conditions will take longer. You can make use of Flutter for Cross-platform App Development in order to get the best results.
Design and User Experience (UX)
Custom Designs
If you choose a highly customized design with animations, complex user flows, or detailed interactions, the design phase will take more time. Each screen, interaction, and transition must be carefully planned, designed, and tested, adding weeks or months to the schedule.
Template-Based Designs
On the other hand, using pre-made models or standard design models can reduce the design part. These models are faster to implement, but may not offer the same level of customization.
Third-Party Integrations
Simple Integrations
Complex Integrations
Testing and Quality Assurance (QA)
Automated testing
Developers can use automated testing tools to quickly run multiple tests in an application. While testing may speed up the process, it may not fix all bugs or performance issues.
Manual Testing
Hands-on testing, where testers have the opportunity to physically use the app on different devices and scenarios, takes longer but also captures issues. automatic devices may be lost. Depending on the complexity of the application, the test can take anywhere from a few days to a few weeks.
Effective Strategies to speed up your mobile app development process

Start with an MVP ( Minimum Viable Product)
To speed up mobile app development, focus on creating a Minimum Viable Product (MVP) with only the essential features. This allows you to launch quickly, test the app in real-time, and gather user feedback for improvements—saving time on unnecessary extras while still delivering value.

Maintain Clear Communication and Collaboration

Automate Testing and Continuous Integration

Utilize Cross-Platform Development Frameworks

Opt For Shorter Release Cycles
Summing Up
Building a mobile app can take months, depending on its complexity. Speed up development by creating an MVP, using cross-platform tools, and automating testing. Clear communication and partnering with a trusted company like Sumfactor can ensure a faster, smoother launch.