HRV4Biofeedback

A.S.M.A. B.V.

Lifestyle

Is HRV4Biofeedback ready for iPhone Duo?

Not ready

Runs in an iPhone-sized window with black bars on both sides.

Built with the iOS 26 SDK or older.

Version
1.4.8
Last App Store update
Sep 8, 2026
Checked daily
9 hours ago

HRV4Biofeedback

HRV4Biofeedback

Its iPhone screenshot, from the App Store

HRV4Biofeedback on the inner screen: runs in an iPhone-sized window with black bars on both sides. It gets 1,127 × 2,007 pixels, drawn to the geometry measured in the simulator.

How we know

How we decide
  1. Release date

    Last updated Sep 8, 2026, before the iOS 27 SDK existed, so it can’t fill the screen.