Statement of Work Template for App Development (UK 2026)

Statement of WorkApp Development

Last updated: February 2025

When You Need This Contract

App development SOWs must address the complexity of building for multiple platforms (iOS and Android), API integrations with backend systems, app store submission requirements and approval processes, and the iterative nature of app development where user testing frequently reveals needed changes. The SOW should specify the development approach (native, hybrid, or cross-platform), define the Minimum Viable Product scope clearly, and include provisions for the app store submission and approval process which is outside the developer's direct control.

Key Clauses

  • Platform specifications covering iOS, Android, or both with minimum OS versions
  • API integration requirements with backend systems and third-party services
  • App store submission process and approval handling
  • User testing phases with feedback incorporation procedures
  • Post-launch maintenance and update obligations

What to Watch Out For

  • Not specifying minimum supported OS versions, leading to disputes about compatibility with older devices
  • Failing to address the app store review and approval process, which can cause launch delays outside the developer's control

Sample Clauses

  • Sample platform clause: 'The app shall be developed for iOS (minimum iOS 16) and Android (minimum Android 12). The app shall be built using [React Native/Flutter/native] development. Testing shall be conducted on a minimum of [X] devices per platform as listed in the test device matrix at Appendix [X].'
  • Sample app store clause: 'The Developer shall prepare and submit the app to the Apple App Store and Google Play Store. The Developer shall address any review feedback and resubmit as necessary. The Client acknowledges that app store approval is subject to Apple and Google's policies and timelines, which are outside the Developer's control. Delays caused by app store review shall not constitute a breach of the project timeline.'

FAQ

Should an app development SOW specify the development framework?

Yes. The choice between native iOS/Android, React Native, Flutter, or other cross-platform frameworks significantly affects cost, performance, and future maintainability. Specify the framework, justify the choice based on project requirements, and address the implications for future updates and developer availability. The client should understand and approve the technology choice before development begins.

How should an app SOW handle the app store approval process?

Include a clause acknowledging that app store approval is outside the developer's control and may cause launch delays. Specify that the developer is responsible for preparing compliant submissions, addressing review feedback promptly, and resubmitting as needed. Define a maximum number of submission attempts included in the project fee, and agree how extended approval delays affect the project timeline and payments.

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This is guidance for UK businesses, not legal advice. Templates are illustrative. Consult a solicitor for complex matters.

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