9bests Android Tester Guide
Help us validate 9bests for Android before public launch. Test offline curation, live sync, and privacy-first AI decision tools.
🚀 1. How to Join the Closed Beta
- Opt-In on Google Play: Open the test invitation link provided by the 9bests development team on your Android device logged into your Google Play account.
- Install from Google Play: Accept the testing agreement and download the build directly from the Play Store.
- Crucial: Maintain Continuous Opt-in for 14 Days: Google Play requires at least 12 testers to remain continuously opted in for 14 days before an application for production access can be submitted. Please keep the app installed and test periodically.
🧪 2. 6 Core Test Missions for Testers
1. Offline First Launch
Turn on Airplane Mode. Open the app. Confirm that all 206 tools, categories, and reviews load instantly with zero delay.
2. Live Catalog Sync
Connect to Wi-Fi. Check if fresh catalog updates and new tool additions sync smoothly without blocking UI interaction.
3. Custom Stack Management
Add 3–5 tools to your personalized "My AI Stack". Restart the app to verify persistent local storage.
4. Tool Comparison
Navigate to the Compare tab. Select two AI tools and check table rendering, pros/cons alignment, and pricing notes.
5. Data Backup & Restore
Export your local AI stack to a JSON file in your Downloads folder, then restore it using the file picker.
6. Outbound Browser Intent
Tap "Visit Official Website" on any tool card. Confirm that your system browser launches cleanly without breaking app state.
🔒 3. Privacy & Safety Guarantee
The 9bests Android app requires zero dangerous permissions (no camera, microphone, contacts, location, or phone storage access). Your curated AI stacks remain stored 100% locally on your device.
For full details, review our Privacy Policy.
Have Feedback or Found a Bug?
Your feedback is directly shaping the production release of 9bests. If you experience crashes, layout issues, or have feature ideas, please email our engineering team at: