PocketAmp is the best guitar amp app for practicing with your iTunes music, supporting Pitch Shift and Slow Downer for learning!
* 4 amps, 4 cabs, and 7 great effects
* Built-in music player for your iTUNES MUSIC
* Time Stretch and Pitch Shift your iTunes music
* universal full screen support
* true stereo modulation effects
* low latency DSP processing, with very short delay

INSTRUMENT ADAPTER IS REQUIRED.

REVIEWS:
Gear Diary, "Dial in just about any electric guitar sound with precision and with no latency issues. The ability to play along with my music is a feature that keeps me coming back over and over to practice."

Bass Musician Magazine, "PocketAmp REALLY got this one right. PocketAmp gives you access to your ENTIRE iPod library and offers the ability to fast forward, rewind and pause."

ProMusicApps, "Given the wide app support for the iRiffPort Digital Audio Guitar Connection, and the high quality sound it produces, this is a must for guitarists working in the app world."

Blog du mac, "A Marvel to be used without moderation".

FEATURES:
* Clean, Blues, Rock, Metal Amps
* Silverface, Tweed, Classic, and Metal Cabs
* Gain, Volume, Noise Gate
* Treble, Middle, Bass
* Reverb, Echo, Tremolo
* Stereo Chorus, Flanger, and Rotary
* Chromatic Guitar Tuner
* Background Audio mode
* Three quick presets, unlimited named presets
* iTunes music play along with Pitch Shift and Slow Down