Bugs found in Onsen – AI for Mental Health for iOS
Onsen AI is an app designed to help people manage their mental health. The tool uses agentic AI to serve as your coach, guiding you toward emotional well-being by providing a safe space to reflect and find your way toward growth.
Our QAwerk team performed a thorough Bug Crawl for Onsen and identified a series of bugs that could negatively affect its performance and user satisfaction. The issues range from unexpected update prompts to security workflows, localization inconsistencies, and offline feedback messaging.
Below are the details of our findings, with the full descriptions and steps to reproduce.
Update prompt incorrectly shown immediately after fresh installation, requiring app
Critical
App freshly installed.
- Open the app immediately after installing.
- Observe the splash screen for the update prompt.
iPhone 14 Pro Max, iOS 18.6.2
“Update available” prompt displayed despite fresh install.
No update prompt should appear if the app is up-to-date.
Biometric Unlock fails to request Face ID after 1 minute of inactivity
Critical
- Biometric Unlock is enabled in profile settings.
- User logged in.
- Use the app normally.
- Remain inactive for 1+ minute (no input or interaction).
- Resume using the app.
iPhone 14 Pro Max, iOS 18.6.2
The app does not request Face ID unlock.
The app should request Face ID after inactivity.
Localization does not update after changing language; app restart required
Critical
User logged in.
- Go to Profile.
- Pick a Language submenu.
- Change language (e.g., to German).
- Navigate back and continue using the app.
iPhone 14 Pro Max, iOS 18.6.2
App language remains unchanged until a restart.
Language should update immediately.
Offline usage displays generic error instead of “no internet” notification
Major
User logged in.
- Turn off the internet connection.
- Click various app elements.
iPhone 14 Pro Max, iOS 18.6.2
“Try again later,” or error messages appear.
Clear “No internet connection” notification shown.
App partially localized after language switch and restart
Major
User logged in.
- Change language via Profile
- Click Language.
- Restart the app.
- View menus and main pages.
iPhone 14 Pro Max, iOS 18.6.2
Most content remains untranslated.
Main UI and navigation should be fully translated.
Onsen provides a solid mental health platform, but it struggles with inconsistent localization, confusing offline messaging, and lapses in biometric security. Fixing these issues will boost user confidence and enhance seamless engagement across diverse user contexts and languages.

