Publisher Nicalis successfully ported Rebirth to mobile operating systems, but initially prioritized iOS. The game launched on the Apple App Store in 2017, proving that the complex mechanics and heavy particle effects of late-game Isaac runs could run smoothly on mobile hardware. The Canceled Nvidia Shield Port

: A Work-in-Progress Android app specifically designed to display item, trinket, and card info.

For Switch emulation, you need a powerful phone. A user confirmed that Repentance runs “fully playable” and “great” on a Poco X3 Pro, a mid-range device from a few years ago. However, on lower-end devices, the game may struggle with slowdowns during enemy deaths or intense battles.

If you experience stuttering, drop the emulator's internal rendering resolution to 0.75x. On a phone screen, the visual difference is minimal, but the performance gain is massive.