This is the key to unlock Caustic to full version mode. The full version enables song saving as well as exporting to WAV, Ogg and MIDI.

MAKE SURE YOU'VE TRIED CAUSTIC ON YOUR DEVICE BEFORE PURCHASING THIS.

Once installed, simply close the installer and return to CAUSTIC, it will be unlocked. This app won't appear in your tray.

Step 1. Download Caustic Unlock Key Mod (Paid for free Free purchase) APK file on HappyMod.com.
Step 2. Once it's downloaded, open Downloads, tap on the APK file, and tap Yes when prompted.
Step 3.Caustic Unlock Key Mod (Paid for free Free purchase) APK will begin installing on your device. Simple.

Step 1. Download HappyMod APK file on HappyMod.com.
Step 2. Once it's downloaded, open Downloads, tap on the APK file, and tap Yes when prompted.
Step 3.Search Caustic Unlock Key Mod, click Download.
Step 4: You can download 100% working mods on HappyMod with one click.