Abstract
Zulip Mobile is an open-source Mobile App Development project. Legacy Zulip mobile apps for Android and iOS. This codebase built on React Native is an unsuppported legacy app. On 2025-06-07, we launched a [new Zulip mobile app with Flutter][zulip-flutter]. It is built using JavaScript, Android, React Native. The complete source code is publicly available on GitHub under the Apache License 2.0, making it a useful reference for students building a Mobile App Development mini project or final-year project.
1. Introduction
This codebase built on React Native is an unsuppported legacy app. On 2025-06-07, we launched a [new Zulip mobile app with Flutter][zulip-flutter].
This repository will be archived soon; see https://github.com/zulip/zulip-mobile/issues/5931. If you're interested in contributing to Zulip's mobile apps, see [zulip-flutter][zulip-flutter].
Details below are from when this app was in active development. Some details may still be useful, but bear in mind that this legacy app is unsupported as described above.
2. Objective
Legacy Zulip mobile apps for Android and iOS
This project demonstrates how JavaScript, Android, React Native can be applied to a real-world Mobile App Development problem.
4. Technology Stack
5. System Requirements
General requirements for this technology stack — check the README for exact versions.
- Node.js (LTS) and npm
- A modern web browser
- VS Code or any code editor
- Git (to clone the repository)
6. Installation & Setup
git clone https://github.com/zulip/zulip-mobile.git
cd zulip-mobileFull setup instructions are in the project README.
7. Future Enhancements
Suggested extensions you can add to make this your own project.
- Add push notifications with Firebase Cloud Messaging
- Add offline support with local caching
- Publish an internal test build on the Play Store
8. Viva / Review Questions
Common questions examiners ask for projects in this domain.
- Which framework is used and why (native vs cross-platform)?
- How is app state managed across screens?
- Where is the data stored — locally, Firebase or a REST backend?
- How are permissions (camera, location, storage) handled?
- How would you publish this app to the Play Store / App Store?
9. Source Code & License
This project is developed by zulip and published on GitHub under the Apache License 2.0. Please follow the license terms and credit the original author when you use or modify this code.
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