Software development generally follows a pre-determined process to deliver projects within a client's required time frame, budget, and technical specifications. Zco is no exception to the rule. We follow an extensive mobile app development roadmap to help us craft high-quality software solutions for our clients. In this article, we're going to walk you through the iOS and Android app lifecycle process, starting with the app's concept and ending with the final quality assurance pass before the product is launched.

iOS and Android app lifecycle process

Project Planning

The process starts with analyzing the client's project requirements, confirming the desired device platforms, and key features to be incorporated into the app. Project managers conduct a detailed study of the project and submit a project overview document to the client for approval. After verifying the project overview document, the client establishes the specifications they want to be integrated into the app.

After the overview document has been verified, a project estimate is presented to the client, who fine-tunes the plan to suit their budget and timeframe. Project plans are then prepared based on the approved estimate. Typical project plans depict the tasks to be accomplished in different milestones, resource names, duration, and start date and end date of each task. At the same time, our business analysts carry out detailed requirement analysis and prepare the User Requirements Document (URD) and screen designs with the app's functionalities detailed. With the client's final approval, the project transitions into the design phase.

UI/UX app design process

Design

An app's design defines the look and feel of the product and how users engage with it. Before starting project design, we conduct team meetings to discuss the URD and other documents received from the client. It helps the team to get an idea of what the clients expect from the app.

We execute the project design in two phases: UI/UX design and class design. UI designers prepare a prototype of the user flow or wireframes by combining concepts of the core screens. The initial class design is carried out by the respective project leads, and it's then reviewed by the team. The development phase begins once the UI/UX design and class design are complete.

Development

The development phase involves implementing the project's plans into action. Developers take the project's requirements and write corresponding code to implement the required features. At this stage, all the app's screens will be ready, and the functionalities will be developed and integrated into it. The coding process will start based on the class design and is broken down into a series of milestones.

We follow agile development and waterfall development methodologies for creating apps where the functionalities are delivered through iterative releases that are presented to the client. This helps us to achieve a more refined product and an efficient project workflow by enabling us to efficiently allocate resources and meet project deadlines on time.

Development proceeds alongside product testing, code reviews, and quality assurance so that any errors or bugs in the program are caught at the earliest and rectified at each milestone. Client feedback and suggestions will be clarified and integrated into the app in each phase before moving on to the next milestone. This iterative process will continue until the release of the app.

Mobile App Testing Process

Testing

Engineers prepare test plans and test cases early in the process, at the project design phase. We employ a rigorous testing structure that includes usability testing, interface testing, compatibility testing, performance testing, and security testing. The application’s features, functionalities, and user experience flow are tested in each phase, helping us to maintain app quality.

Bugs are logged internally using an issue tracker database. Re-testing is done to check addressed issues. Developer testing is also conducted based on the test cases, and issues that arise from testing in various phases of reviews will be solved through debugging. This helps us to avoid product imperfections and ensure the performance of the application under different conditions. After testing the app, it is reviewed to ensure the app complies with the client's requirements and expectations.

App launch in iOS or Android app store

Launch

Once the app is tested and gets approval from the client, it is uploaded to its respective iOS and or Android app store. Pre-release checklists are executed before the app's launch to ensure quality assurance procedures including source code reviews, memory leak testing, security testing, and performance analysis have been completed. Test engineers prepare release notes by including information such as core features, installation instructions, bug reporting capabilities, and required credentials. This process helps inform clients about the app's finalized features upon release.

When it comes to launching the app online, clients receive a pre-formatted app submission document. The upload engineer will provide the information given by the client to the respective app store’s listing application page and then submit the app for review. Finally, the app will be released to the public once it receives final approval from the app store's administrators.

While all projects will follow their own development roadmaps as dictated by their specifications, nearly all of them will adhere to the process outlined in this document. To learn about our mobile app development services and how you can develop your custom Android or iOS mobile app through this app lifecycle process, use the button below to contact one of our account executives.


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