Comparison

Stemulator vs Stem Splitter

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Stemulator

This app uses advanced audio separation models to extract individual elements from any song with studio-quality precision. It offers modes for producers to download stems and for musicians to play along with real-time mixing and chord mapping.

Highlights
  • Extract up to 18 stems per track
  • Producers Mode for stem downloads
  • Musicians Mode for real-time mixing
  • Generate MIDI chord maps
  • Real-time chord mapping and waterfall MIDI piano
  • Supports major audio formats for import and export
Features
Read full description

Stemulator is the ultimate stem separation app for producers, musicians, DJs, and audio enthusiasts. Using advanced audio separation models, Stemulator extracts individual elements from any song with studio-quality precision. SEPARATE UP TO 18 STEMS PER TRACK • Vocals: Lead Vocal, Backing Vocal • Rhythm: Drums, Bass, Drumless • Drums: Kick, Snare, Hi-Hat, Toms, Cymbals • Instruments: Piano, Guitar, Strings, Keys/Synths, Winds, Ensemble • Full Mix: Instrumental • MIDI Chord Map TWO POWERFUL MODES Producers Mode — Download every stem for your projects: • Download separated stems in WAV, AIFF, or MP3 • Separate drums into Kick, Snare, Hi-Hat, Toms & Cymbals • Isolate instruments: Piano, Guitar, Strings, Keys/Synths, Winds • Separate vocals into Lead & Backing • Generate MIDI chord maps from any track Musicians Mode — A full DAW-style mixer for playing along: • Mute, solo & mix individual stems in real time • Adjust key & tempo with studio-quality pitch shifting • Real-time chord mapping & waterfall MIDI piano synced to playback • Real-time tabs for guitar, piano, & bass • Real-time capo recommendations for guitarists • Beat loop — 4, 8, 16, 32 or 64 beats, quantized to the beat grid • Synced metronome with multiple click sounds • Export chord charts as PDF or MIDI files • Export your custom mix as WAV, AIFF, or MP3 REAL-TIME CHORD MAPPING Stemulator analyzes the harmonic progression of your track and maps out every chord change—synced to playback in real time. Follow along as you play, export as a printable PDF chord chart, or download as a MIDI file for your DAW. STUDIO QUALITY OUTPUT Stemulator delivers the most advanced audio separation available — professional-grade stems with unmatched clarity and precision. Whether you're creating remixes, practicing along with isolated instruments, or producing new tracks, you'll get clean, artifact-free stems ready for your workflow. SUPPORTS ALL MAJOR FORMATS Import your music in WAV, AIFF, MP3, FLAC, M4A, or OGG format. Export your separated stems in high-quality WAV, AIFF, or MP3 for maximum flexibility in your DAW or audio editor. PERFECT FOR: • Producers – Sample and remix with clean, separated elements • Musicians – Mix stems, transpose key & tempo, follow chord maps • DJs – Create unique mashups and transitions • Karaoke – Remove vocals from any song instantly • Educators – Isolate specific parts for music lessons • Transcribers – Hear individual instruments clearly FOUR FLEXIBLE PLANS Free: Try Stemulator with 3 free stem separations Professional: 10 Stemulations per month, 5-stem separation Studio: Unlimited Stemulations, studio quality, 6-stem separation + Drumless, chord map generation & PDF export Audiophile: Full access to all 18 stems including individual drum separation, vocal separation, instrument isolation, MIDI chord export & real-time chord mapping HOW IT WORKS 1. Upload any song from your library 2. Choose Musicians or Producers mode 3. Stemulate your audio 4. Mix, play along, or download your stems Whether you're isolating a guitar solo to learn, removing vocals for karaoke night, transposing a song to your key, or extracting drums for your next production, Stemulator makes professional stem separation accessible to everyone. Download Stemulator today and unlock the individual elements hidden in your favorite music. Terms of Use: https://stemulator.app/terms.html

About

Stem Splitter

Features
Read full description

Split any song into vocals, drums, bass, and instrumentals — entirely on your iPhone. Stem Splitter is the privacy-first music separator that runs 100% on-device. Import any audio file, separate four clean stems with on-device AI, and export — no upload, no cloud, no waiting in a server queue. ▸ FOUR STEMS, ZERO CLOUD Apple Neural Engine does the work, on your iPhone, in your pocket. • Vocals, drums, bass, and other instruments — separated cleanly • On-device AI — your audio never touches a server • Works fully offline — on a flight, in a studio, anywhere • Imports MP3, M4A, WAV, AAC, and FLAC from Files, Voice Memos, and AirDrop ▸ MULTITRACK STEM PLAYER Hear exactly the mix you want. • Mute and solo each stem with one tap • Adjust per-stem volume in real time • Loop sections to learn covers and rehearse parts • A/B compare your mix with the original track ▸ EXPORT ANYWHERE Stems land where you need them. • Save individual stems as WAV or MP3 • Save your custom mute/solo mix as a single file • Share to Files, Voice Memos, AirDrop, GarageBand, or any audio app ▸ BUILT FOR • Musicians learning covers and rehearsing parts • Producers sampling and remixing tracks • DJs preparing mashups and edits • Karaoke fans and acapella makers • TikTok, Reels, and YouTube creators • Worship teams building backing tracks ▸ PRIVATE BY DESIGN Your audio stays on your device — always. No cloud uploads, no analytics on your tracks, no servers caching your unreleased songs. DRM-protected Apple Music tracks are blocked at import; bring your own files. ▸ PRICING FREE: • 3 separations every month • All four stems included • MP3 export PREMIUM SUBSCRIPTION Stem Splitter Premium is available with the following subscription options: Premium Monthly: $4.99/month Premium Annual: $29.99/year (Save 50%) — includes 7-day free trial Payment will be charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. Terms of Service: https://stemsplitter.bulpara.com/terms Privacy Policy: https://stemsplitter.bulpara.com/privacy ▸ DEVICE SUPPORT Requires iPhone 12 (A14) or later. iPhone 13 Pro and newer deliver the fastest separation times. iPad with M-series silicon recommended for long tracks. — Questions or feedback? support@bulpara.com

Screenshots

Stemulator4 screens
Stem Splitter4 screens

Verdict

The call

The clearest difference is ads: Stemulator at none against Stem Splitter's shown. Stemulator also leads on device support (4 vs 2) and iOS requirement (15.0 vs 17.4). On price and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Stemulator sells 8 in-app purchases, starting at $4.99 per month and Stem Splitter sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard3 real differences · 7 level
Stemulator versus Stem Splitter: the parameters behind the verdict, then further details
ParameterStemulatorStem Splitter
PriceFreeFree
Rating4.7 (13 ratings) — better—
Positive reviews94.4% of reviews—
Number of ratings13 — better—
Update frequencyEvery 9 days—
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS15.0 — better17.4
Further details — not scored
Size60 MB5 MB
Age rating4+4+
DeveloperStemulator LLCBULPARA TEKNOLOJI LIMITED SIRKETI

In-app purchases

8 purchases

Stemulator

Subscriptions8
  • Professional$4.991 Month
  • Studio$9.991 Month
  • Audiophile$19.991 Month
Show 5 more
  • Production$29.991 Month
  • Professional (Annual)$39.001 Year
  • Studio (Annual)$79.001 Year
  • Audiophile (Annual)$149.001 Year
  • Production (Annual)$249.001 Year
2 purchases

Stem Splitter

Subscriptions2
  • Premium Monthly$4.991 Month
  • Premium Annual7 Days trial$29.991 Year

Questions

Is Stemulator free?
Stemulator is free to download, with in-app purchases available.
Is Stem Splitter free?
Stem Splitter is free to download, with in-app purchases available.
Do Stemulator or Stem Splitter have ads?
Stem Splitter shows ads; Stemulator does not.

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