Introducing Flow Ultra

Split any song into every layer it was made from

Flow Ultra detects every layer in the original mix — a modern pop song can yield over a hundred individual stems. No other tool does this.

Try Flow Ultra See all engines →

Input track

0layers

Other tools give you four stems.
Flow Ultra gives you the session.

Traditional separation

VocalsDrumsBassOther

That's it.

Flow Ultra output 100+ layers

Vocal Lead FemaleKickSynth PadFX RiserBacking Vocals StackClap SnareDelay FXSynth ArpVocal ChopsBass StabsNoise SweepVocal Harmonies

Vocal Lead MaleSnareLead SynthSidechain PumpingOpen Hi-hatChord StabsReverb PlateDrum FillsSub LayerFilter Sweep FXVocal AutotuneSynth Bass

Vocal DoublesPerc TicksSynth Lead SoloFX ImpactMale Vocal Spoken RapHi-hatsSynth Pluck StabBus CompressionVocal AdlibsFX NoiseBacking Vocals

Light PercussionSynth Texture FXSaturation GlueClosed Hi-hatFiltered Drum LoopSynth Reverb DelayVocal Chant HookVocal Reverb DelayVocal DistortionNoise RiserEnglish Hook Phrase

How it works

Upload → Process → Download

Drop a track

Drag any audio file into the studio — MP3, WAV, FLAC, OGG, up to 500 MB.

Pick an engine

Flow Ultra for full layer breakdown, or choose a classic engine for quick 2 / 4 / 6-stem splits.

Download your stems

Get individual layers as FLAC, WAV, or MP3. Flow Ultra delivers a complete ZIP — ready for your DAW.

Classic engines

Need a quick split? We have four more.

4-STEM

FlowCore™ Neural

Vocals, Drums, Bass, Other — optimized for electronic and modern music.

Creator+ · 100 credits

4-STEM PREMIUM

FlowCore™ Pro

Enhanced separation for professional production. Best-in-class 4-stem quality.

Producer+ · 200 credits

6-STEM

FlowCore™ Max

Vocals, Drums, Bass, Guitar, Piano, Other — maximum control for detailed remixing.

Producer+ · 300 credits

2-STEM HD

VocalPure™ HD

Broadcast-ready vocal isolation with pristine instrumental separation.

Producer+ · 100 credits

Hear every layer.

Start with 200 free credits. No credit card required.

Get started View pricing →

Split any song into every layer it was made from

Other tools give you four stems.Flow Ultra gives you the session.

Upload → Process → Download

Drop a track

Pick an engine

Download your stems

Need a quick split? We have four more.

FlowCore™ Neural

FlowCore™ Pro

FlowCore™ Max

VocalPure™ HD

Hear every layer.

Split any song into every layer it was made from

Other tools give you four stems.Flow Ultra gives you the session.

Upload → Process → Download

Drop a track

Pick an engine

Download your stems

Need a quick split? We have four more.

FlowCore™ Neural

FlowCore™ Pro

FlowCore™ Max

VocalPure™ HD

Hear every layer.

Other tools give you four stems.
Flow Ultra gives you the session.

Other tools give you four stems.
Flow Ultra gives you the session.