It's a scam
The ring arrived from Aliexpress more than 3 months later than expected. The app is also poorly developed. It's a scam project that cannot be trusted.
Yes, CUDIS is completely free and it doesn't have any in-app purchases or subscriptions.
Not enough reviews to make a reliable assessment. The app needs more user feedback.
CUDIS is free.
To get estimated revenue of CUDIS app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
The ring arrived from Aliexpress more than 3 months later than expected. The app is also poorly developed. It's a scam project that cannot be trusted.