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Instead of Pymss

Pymss alternatives

Pymss is a free, open-source toolchain for separating vocals, drums, bass, and other stems directly on your machine. Its Studio desktop workspace handles model downloads, storage cleanup, batch queues, waveform previews, mix controls, project saving, and stem export. You can chain models, use the browser interface, connect ComfyUI nodes, or work inside an ARA-capable DAW with per-stem mute and solo controls. Support spans Android, iOS, Linux, macOS, web, Windows, and an API, with outputs including WAV, FLAC, MP3, M4A, AAC, Opus, Vorbis, and Ogg.

  1. 1

    LALAL.AI

    Free plan AndroidAPIiPhone+4

    Broad stem extraction and voice-focused tools — LALAL.AI adds voice tools, video support, many instrument stems, server queues, and optional offline desktop processing.

    7.5 Free plan · paid from $7.50/mo (annual) Visit site
  2. 2

    Moises

    Free plan AndroidExtensioniPhone+3

    Musicians needing practice and collaboration features — Moises combines separation with chord finding, speed changes, lyric transcription, real-time collaboration, and Fender Studio Pro integration.

    7.4 Free plan Visit site
  3. 3

    Fadr

    Free plan AndroidAPIiPhone+3

    Free remixing and AI instrument creation — Fadr adds remixing, AI instruments, AI drum kits, unlimited free stems and remixes, plus a VST3/AU plugin.

    7.5 Free plan · paid from $10/mo Visit site
  4. 4

    MVSEP

    Free plan AndroidAPIiPhone+2

    Large model selection and API operations — MVSEP offers more than 100 models, prepaid credit billing, regional API endpoints, and tools for speech, MIDI, transcription, and upscaling.

    7.3 Free plan Visit site
  5. 5

    BandLab Splitter

    Free plan AndroidiPhoneWeb

    Simple mobile stem editing and BandLab workflows — BandLab Splitter adds BPM, pitch, looping, audio-or-MIDI export, BandLab Studio handoff, and unlimited uploads under 15 minutes.

    7.4 Free plan · 3-day trial Visit site
  6. 6

    Sonura

    Free plan MacWebWindows

    Browser and DAW production with six-stem splits — Sonura focuses on an artist-led studio, offers two- or six-stem separation, and provides Flow VST3/AU integrations across numerous DAWs.

    7.1 Free plan · paid from $20/mo Visit site
  7. 7

    StemRoller

    Free plan MacWindows

    Free open-source karaoke and vocal tracks — StemRoller is a free open-source desktop app that searches songs online and uses Demucs to create karaoke and stem tracks.

    6.9 Free plan Visit site
  8. 8

    AI Stem Splitter API

    Free plan AndroidAPIiPhone+3
    7.6 From $6.99 Visit site
  9. 9

    AI Stem Separation

    Free plan Web
    7.2 From $4.99 Visit site
  10. 10

    AudioStem.ai

    Free plan Web
    7.2 Free plan · paid from $7.99/mo Visit site
  11. 11

    InSplitter

    Free plan Web
    7.1 Free plan · paid from $15/mo (annual) Visit site
  12. 12

    Spleeter

    Free plan APILinuxSelf-hosted
    7.1 Open source Visit site
  13. 13

    Melos Stem Splitter

    Free plan Web
    7.0 From $10 Visit site
  14. 14

    Stemelo

    Free plan iPhoneMacWeb
    7.0 Free plan · paid from $4.90/mo (annual) Visit site
  15. 15

    StemSplit

    Free plan APIExtensionWeb
    7.0 From $2 Visit site
  16. 16

    MusiCraft Stem Splitter

    Free plan Web
    6.9 Free plan · paid from $7.49/mo Visit site
  17. 17

    StemConsole

    Free plan Web
    6.8 Free plan · paid from $1.99 Visit site
  18. 18

    Suno

    by Suno
    Free plan AndroidiPhone
    6.8 Free plan · paid from $8/mo Visit site
  19. 19

    Ultimate Vocal Remover

    Free plan LinuxMacWindows
    6.8 Free plan Visit site
  20. 20

    VocaSplitter

    Free plan AndroidiPhoneWeb
    6.8 Free plan Visit site
  21. 21

    Swound

    Free plan Web
    6.6 Free plan Visit site
  22. 22

    TuneStems

    Free plan Web
    6.6 Free plan · paid from $5.90 Visit site
  23. 23
    6.5 Free plan Visit site
  24. 24

    zplane PEEL STEMS 2

    Free trial MacWindows

An alternative may fit better if you need hosted processing, additional instrument stems, collaboration, remix tools, voice features, or a different platform mix. Pymss has no free trial, and its Studio is still in early feature development, so breaking changes may occur. Local processing may also conflict with a workflow built around server queues. Compare required stem types, upload and processing behavior, editing and export controls, integrations, platform coverage, and the limits of each free tier before moving away from Pymss.

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