Professional Guitar DSP & AI Drum Sequencer in your pocket.

Freeware Essentials

Get started immediately with high-quality base effects, completely free.

• Boost
• Overdrive (Mid-Hump and Clipping)
• Classic Auto-Wah
• Optical Tremolo
• Phase90 Phaser
• EM Flanger
• Chorus
• Mono/Stereo/Ping-Pong Delay
• Spring/Plate Reverb
• 6 Band EQ

Custom C++ / JNI DSP

Born from a deep love of music and sound. True low-latency audio applications are a rarity on Android, so we engineered our DSP from the ground up to deliver the real-time performance musicians deserve. Experience unique, meticulously crafted digital pedals offering unmatched tone control.

Premium Additions Include:

• Through-Zero Flanger
• Shimmer Reverb
• Advanced Routing & EQ

And much more...

• Future DSP Drops

Drum Editor & AI Sequencer

A heavily validated, resilient Firebase AI Drum Sequencer that creates the perfect backing tracks for your jams. More than just AI—a complete rhythm station.

• Full Featured Drum Editor
• Automated AI Drum Generator covering 15+ global genres:
  • Pop/Rock
  • Blues/Jazz/Funk
  • Soul/R&B/Gospel
  • Metal
  • Electronic
  • Country/Folk
  • European
  • Balkan/Romanian
  • Greek/Turkish
  • Middle Eastern
  • Indian Subcontinental
  • Latin American
  • African/Caribbean
  • Liturgical
  • East Asian

Live Looper & AI Backing Band

Lay down a riff and jam with an intelligent backing band. GAAP's advanced real-time looper synchronizes perfectly with your performance.

• Classic Synced Looper: A phrase looper that can lock seamlessly to your drum sequencer's tempo and measure boundaries.
• AI Jammer (Auto Drums & Bass): GAAP analyzes your live guitar tempo and pitch in real-time, instantly generating a matching drum beat and polyphonic bassline that harmonizes with you on the fly!
• Interactive Drum & Bass Editor: Full sub-track control to write, edit, and save custom bass notes and drum hits directly in the app.
• Sequence Speed Trainer: Practice complex solos easily with automated tempo-acceleration loop routines.