Comparison

Spleeter vs Stemulator

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

Head to head
About

Spleeter

This app uses AI to separate audio tracks into vocals and accompaniments. It processes audio directly on your device for efficient performance and offers features like track volume adjustment and sound processing. Easily import audio from various sources and share your creations.

Highlights
  • AI-powered vocal and accompaniment extraction
  • Seamless separation of music of any duration
  • Fine-tune individual track volumes
  • Resynthesis export support
  • Import from albums, files, YouTube, web pages
  • Sound processing effects
Features
Read full description

Spleeter, the Audio Track Separation Master, is your go-to tool for extracting accompaniments and vocals by effortlessly separating audio tracks. Leveraging iOS's integrated machine learning framework (CoreML), Spleeter ensures a seamless audio separation process right on your device, sparing your precious network bandwidth. ◉ AI-Powered Extraction of Two Tracks (Accompaniment, Vocals) ◉ Seamless Separation of Music of Any Duration ◉ Unmatched Quality in Track Separation for Crystal-Clear Audio ◉ Fine-Tune Individual Track Volumes Post-Extraction, with Support for Resynthesis Export ◉ Versatile Extraction Capabilities Across Various Audio Sources Import audio effortlessly from your albums, files, iTunes Music, YouTube, and web pages, with compatibility for a wide array of audio formats. ◉ Effortless Sharing of Audio Through Various Channels (AirDrop, Files, Other Apps, etc.) ◉ Conveniently Review Extraction History ◉ Stay Tuned for Exciting Upcoming Features ◉ Sound Processing including reverb, equalization, pitch adjustment, delay, high-pass, low-pass, and more.

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

Screenshots

Spleeter4 screens
Stemulator4 screens

Verdict

The call

The clearest difference is rating: Stemulator at 4.7 against Spleeter's 3.0. Stemulator also leads on ads (none vs shown) and review sentiment (94% vs 67%). Spleeter's advantage is in-app purchases (none vs 8). On price and iOS requirement 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. Spleeter asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Stemulator holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Stemulator has 13 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 67% of Spleeter's written reviews are positive against 94% of Stemulator's.

UpkeepUpdate frequency

Spleeter ships an update every 6 weeks, Stemulator every 9 days. The most recent releases landed on October 8, 2026 and October 22, 2026 respectively.

Scorecard8 real differences · 2 level
Spleeter versus Stemulator: the parameters behind the verdict, then further details
ParameterSpleeterStemulator
PriceFreeFree
Rating3.0 (2 ratings)4.7 (13 ratings) — better
Positive reviews66.7% of reviews94.4% of reviews — better
Number of ratings213 — better
Update frequencyEvery 6 weeksEvery 9 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod, Mac — better
Requires iOS15.015.0
Further details — not scored
Size38 MB60 MB
Age rating4+4+
Developer文娟 蔡Stemulator LLC

Customer experience

Spleeter

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews6 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Stemulator

All ratings14 ratings
Positive92.9%
Neutral0.0%
Negative7.1%
Written reviews18 reviews
Positive94.4%
Neutral0.0%
Negative5.6%

In-app purchases

None

Spleeter

No 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

Questions

Is Spleeter free?
Spleeter is free to download, with no in-app purchases.
Is Stemulator free?
Stemulator is free to download, with in-app purchases available.
Which has better reviews, Spleeter or Stemulator?
Stemulator is rated higher. Spleeter averages 3.0 out of 5 from 2 ratings, while Stemulator averages 4.7 from 13 ratings.
Do Spleeter or Stemulator have ads?
Spleeter shows ads; Stemulator does not.
Which is updated more often, Spleeter or Stemulator?
Spleeter ships an update every 6 weeks, and Stemulator every 9 days. Most recently, Spleeter was updated on October 8, 2026 and Stemulator on October 22, 2026.

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