djay transforms your Mac into a full-fledged DJ system, allowing you to mix your iTunes music library on a hyper-realistic turntable interface. Perform live, record mixes on-the-go, or enable Automix mode and let djay mix your favorite playlist automatically.

BEST OF MAC APP STORE 2011: App of the Year Runner-Up ☆
All-new djay 4 is here - with Waveforms, Audio FX, Harmonic Match™ and so much more!
With unprecedented ease-of-use and innovative features like Harmonic Match™, djay takes DJing to the next level and offers a unique experience for beginners and professionals alike.

“It’s the DJ app missing from iLife.” — Macworld ★★★★ 
“You won’t find a simpler, more obvious application to use.” — MacUser ★★★★★ 
“A feature-packed application that'll keep the party bumping.” — MacLife ★★★★★ 
“A whole new experience in DJ software.” — International DJ Magazine (iDJ) 

FEATURE HIGHLIGHTS: 

✔ Seamless iTunes integration 
✔ Easy-to-use drag and drop interface 
✔ Automix mode 
✔ Harmonic Match™ (Key detection and matching)
✔ BPM Sync: automatic beat and tempo matching
✔ Mix Recording 
✔ Sampler (with built-in sound pack)
✔ Pre-cueing with headphones 
✔ Live Microphone 
✔ Audio FX: Flanger, Phaser, Echo, Gate, Bit Crusher, Filter (High Pass, Low Pass) 
✔ Beat-matched Looping
✔ Multiple Cue Points 
✔ Key Lock / Pitch Shifting
✔ Auto-Gain (automatic volume normalization)
✔ Visual waveforms
✔ High-quality scratching 
✔ Mixer, tempo, and EQ controls 
✔ Song history (with export to iTunes + PDF)
✔ iCloud integration 
✔ Multi-Touch trackpad control
✔ MIDI learn 
✔ Support for external audio interfaces and controllers (USB, Firewire, MIDI) 
✔ Support for all major audio formats including MP3, AAC, WAV, AIFF (restricted support for DRM protected songs)
✔ Fully optimized for OS X Lion

★ Update: Added compatibility with iTunes Match:
To play tracks from iTunes Match with djay, please first download them with iTunes by clicking the track's cloud icon, then choose Refresh in djay's Library menu.

Whats New in Version 4.0.6
✔ Fully optimized for Retina display
✔ Improved compatibility with AirPlay on OS X 10.8 Mountain Lion
✔ Fixed playlist folders not being shown in djay Remote app

What's New Version 4.1:
* Added new BPM display (show BPM with higher precision and tempo % at the same time)
* Added iTunes export for recordings
* Added support for Vestax Spin 2 MIDI controller
* Added support for Pioneer DDJ-WeGO MIDI controller
* Added multi-core support for Analyze Library (up to 8 times faster!)
* Added MIDI pickup mode
* Added tempo slider pickup mode for all natively supported MIDI controllers
* Added keyboard shortcuts for instant FX
* Added "toggle waveform" keyboard shortcut and MIDI mapping action
* Fixed album artwork not showing on some systems
* Fixed history playlist export to iTunes on OS X 10.8 Mountain Lion
* Fixed format of Year column in library OS X 10.8 Mountain Lion
* Fixed Split Output audio quality with certain tracks
* Improved Sync LED behavior on MIDI controllers (lights up when songs are in sync)
* Improved Novation Dicer mapping to use different colors
* Stability improvements and various bug fixes

What's New in Version 4.2

✔ Added AirPlay panel in main window (visible when AirPlay device is available, requires OS X 10.8 Mountain Lion)
✔ Added ability to send mix to multiple AirPlay devices
✔ Added new audio setup panel when connecting multi-channel audio devices (e.g. Vestax Spin 2)
✔ Added native support for more MIDI controllers: Reloop Terminal Mix 2/4, Reloop Beatmix, Reloop Mixage IE, Denon DN-SC2000, Hercules DJ Control Air
✔ Added MIDI mapping actions
✔ Changed non touch-sensitive MIDI jog wheels to scratch during playback (the previous pitch-bend behavior can be enabled using "Jog Pitch Bend Mode" in the MIDI options menu)
✔ Changed MIDI jog wheel pitch-bend to scratch while record is paused
✔ Changed "Move Library Selection" MIDI actions to not wrap around at beginning/end of song list
✔ Improved iTunes library loading performance
✔ Improved VoiceOver accessibility for song list and Automix Queue
✔ Fixed artwork loading and export to iTunes issues on OS X 10.8.2
✔ Fixed library access issue with songs on multiple external partitions
✔ Fixed cue pause issue
✔ Fixed gain being reset when "Reset EQ/Effects/Controls" preference is off
✔ Fixed MIDI mappings for certain controllers not being saved
✔ Fixed selected samples folder always reverting to “djay Sample Pack”
✔ Further stability and performance improvements

★ If you like djay, please rate it with every update. ★
Thanks for your continued support and we look forward to hearing your feedback.

Version 4.2.1:

* Added support for Pioneer DDJ-WeGO2 DJ controller
* Added support for Numark iDJ Live II DJ controller
* Improved Vestax Spin2 mapping: allow tempo fine-adjust using shift + pitch bend
buttons

Version 4.2:
• Added AirPlay panel in main window (visible when AirPlay device is available)
• Added ability to send mix to multiple AirPlay devices
• Added new audio setup panel when connecting multi-channel audio devices (e.g. Vestax Spin 2)
• Added native support for more MIDI controllers: Reloop Terminal Mix 2/4, Reloop Beatmix, Reloop Mixage IE, Denon DN-SC2000, Hercules DJ Control Air
• Added MIDI mapping actions
• Changed non touch-sensitive MIDI jog wheels to scratch during playback (the previous pitch-bend behavior can be enabled using "Jog Pitch Bend Mode" in the MIDI options menu)
• Changed MIDI jog wheel pitch-bend to scratch while record is paused
• Changed "Move Library Selection" MIDI actions to not wrap around at beginning/end of song list
• Improved iTunes library loading performance
• Improved VoiceOver accessibility for song list and Automix Queue
• Fixed artwork loading and export to iTunes issues on OS X 10.8.2
• Fixed library access issue with songs on multiple external partitions
• Fixed cue pause issue
• Fixed gain being reset when "Reset EQ/Effects/Controls" preference is off
• Fixed MIDI mappings for certain controllers not being saved
• Fixed selected samples folder always reverting to "djay Sample Pack"
• Further stability and performance improvements