Stromno

Stromno is a paid utility that broadcasts real-time heart rate data from an Apple Watch to live streaming platforms like Twitch and YouTube via customizable OBS overlays. The app holds a strong #3 position in the Russian Health & Fitness Paid charts, significantly outperforming its presence in other major markets such as Saudi Arabia (#62) and South Korea (#66).

Similar apps: Streamlabs Desktop, OBS Studio, Heart Rate Monitor

Users who successfully install the app praise its seamless integration with Apple Watch and OBS for streaming heart rate data. However, a significant portion of reviews report critical failures where the app does not download or appear after purchase, leading to accusations of it being a scam.

Mixed but leaning positive (56% of recent reviews give 4–5 stars). People like it for being easy to use, and its features and content. The main complaints are about price and subscriptions, and crashes and bugs. Recent reviews are more positive than earlier ones.

What people like

• Ease of use: “It’s simple to use and functions properly”
• Features & content: “I hope more features are added”
• Login & account: “Once you buy the app and download it to your watch all you have to do is log in using the desktop browser code from their website & copy/paste the url to obs”
• Useful

Common complaints

• Price & subscription: “Waste of money doesn’t work”
• Crashes & bugs: “Waste of money doesn’t work”