4 Tracks is the original multitrack digital recording studio for the iPhone. Simple to use and very light, this is the audio tool that you can always have with you. We worked hard to bring you the best sound quality and the lowest latency possible on device. 4 Tracks focuses on features that are useful and quick to access on a mobile device, you can create and share a complete song in a few steps. Create on the go and make it to the charts ! It was used to create full albums ( including Chris Price's Homesick). Features of the unlocked version : - Mixdown your tracks - Export to SoundCloud - Integrated synthesizer - Loads audio files and loop (AIFF, WAV, loops)! - CD-Quality Recording 16 bit, 44.1 kHz - Metronome allows you to create time perfect recordings (60 to 200) bpm - Monitoring - Save and manage your tracks using a clean interface LX version gets major features as in app purchases.