Now in Beta — TestFlight Open

TREMOR FEEL EVERY BEAT

Professional DJ mixing with AI-powered stem separation, neural beat tracking, video mixing, and MIDI controller support. Built from the ground up for iPhone, iPad, and Mac.

Download Beta See What's Inside
5
Neural Networks
4-Deck
Mixing Engine
42
Languages
AI
Stem Separation
Scroll
Features

Built for the booth.
Powered by AI.

Five CoreML neural networks run entirely on-device. No internet required. No cloud. Just your music and your creativity.

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Scrolling Beat-Grid Waveforms
Frequency-colored waveforms with neural beat grid alignment. Dual-deck scrolling display synced to playback. Scrub by dragging, seek with inertia.
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Metal GPU Rendering
Vinyl grooves, waveforms, circular displays, and VU meters — all rendered on the GPU via Apple Metal. Zero CPU overhead for graphics.
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Performance Pads
16 hot cues, beat loops, pad FX, sampler, and manual loops per deck. Full-screen expanded views. Page through with a swipe.
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AI Stem Separation
Isolate Drums, Bass, Vocals, and Other instruments using HTDemucs neural network. Mute, solo, or adjust gain per stem. Cached for instant reload.
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9 Audio Effects
Delay, Reverb, Bandpass Filter, Phaser, Flanger, Tremolo, Bitcrusher, Gate, and Chorus. Interactive graphs for filter and delay. Presets for every effect.
The Interface

Designed in the dark.
For the dark.

Ultra-low-light optimized. High contrast without eye strain. Every control reachable, nothing wasted.

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    GPU Vinyl with Album Art
    244 mathematically generated grooves rendered via Metal shaders. Album artwork spins under the grooves. Video files play on the vinyl in real-time.
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    Neural Beat Sync
    Beat This! neural network detects BPM with 99%+ accuracy. PLL phase-locked loop keeps decks aligned. Tap downbeat to correct the grid.
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    Music Intelligence
    Key detection, genre classification across 400 genres, mood analysis, and energy scoring. Pre-analyze your library for instant loading.
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    Video Mixing & Streaming
    Load video files on decks. Crossfader-driven video blend. AirPlay to Apple TV. RTMP live streaming to YouTube, Twitch, and Facebook.
Beta Program

Join the beta.
Shape the future.

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Tremor 3.0 is now available on TestFlight. Get early access, test new features, and help us build the DJ app you've always wanted.
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TestFlight Beta
Available now for iPhone & iPad
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Connect your Pioneer DDJ-FLX2, FLX4, FLX10, Hercules, or any MIDI controller. Auto-detection with factory mappings. Remap anything with MIDI Learn.
♫
Controller Ready
USB & Bluetooth MIDI
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Three iPad layouts: 2 Decks with large turntables, 2 Decks + Library with split view, and 4 Decks with the Orbital Fader for multi-deck mixing.
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Every Screen Size
iPhone • iPad • Mac
Pricing

Everything included.
No compromises.

Pricing details coming soon. Join the TestFlight beta to get early access for free.

Beta
Free
TestFlight Early Access
  • ✓ Full 4-Deck mixing engine
  • ✓ AI Stem Separation (HTDemucs)
  • ✓ Neural beat tracking & sync
  • ✓ 9 audio effects with interactive graphs
  • ✓ 16 hot cues, loops, pads, sampler
  • ✓ Video mixing & RTMP streaming
  • ✓ MIDI controller support
  • ✓ Key detection & music classification
Join TestFlight Beta

Drop the needle.

Join the TestFlight beta. Shape the future of DJ software.

Download on TestFlight Watch Demo