Why is Geometry Dash SubZero crashing on startup on Android/iOS?

Geometry Dash SubZero crashing on startup on Android or iOS usually happens because the game is quite old and no longer regularly updated, while mobile operating systems continue to evolve. This leads to compatibility issues on newer devices.

Common causes include:

Incompatibility with newer OS versions (Android 12–14 or recent iOS versions), preventing the game from launching properly.

Corrupted game data or cache, often after a system update or reinstall.

Graphics driver or GPU conflicts, especially on newer phones with modern chipsets.

Missing or denied permissions (storage or audio), which can stop the game from loading required assets at launch.

Possible fixes to try:

Clear the game’s cache and data, then restart it.

Uninstall and reinstall Geometry Dash SubZero.

Run the game on a device with an older OS version, if available.