Comparison

Song Separator vs Stemzel

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

Head to head
About

Song Separator

This application uses advanced audio processing to separate a song into its individual components. You can isolate vocals, drums, bass, and other instruments into separate files for further editing or analysis.

Highlights
  • Split songs into individual audio tracks
  • Separate vocals
  • Isolate drums
  • Extract bass lines
  • Extract other instruments
  • Advanced audio processing algorithms
Features
Read full description

Professional Audio Separation Made Simple. Song Separator brings state-of-the-art stem separation directly to your device. Driven by advanced machine learning models, it precisely analyzes and splits your audio into dedicated channels: Vocals — Clean lead and backing vocals Drums — Isolated kick, snare, and percussion Bass — Crisp basslines and synth bass Other — Guitars, keys, and melodic instruments Export high-fidelity standalone stems in seconds and elevate your music production workflow.

About

Stemzel

This app separates any song into vocals, drums, bass, and other instruments directly on your device. It offers on-device AI processing for privacy, with no cloud uploads or subscriptions required. Mix, mute, solo, and export individual stems or the full mix.

Highlights
  • On-device AI stem separation
  • Import audio from files or URL
  • Record and split audio instantly
  • Mute or solo individual stems
  • Built-in waveform scrubber
  • Export stems and full mix
Features
Read full description

Stemzel splits any song into four stems — vocals, drums, bass, and other instruments — entirely on your iPhone. No cloud uploads. No subscription. No account required. IMPORT YOUR AUDIO • File — pick from Files, iCloud Drive, or anywhere on your device • URL — paste a direct link to an MP3, M4A, or WAV file • Record — capture audio with your microphone and split it instantly MIX AND EXPORT • Mute or solo any stem to hear exactly what you want • Play back your mix with a built-in waveform scrubber • Export individual stems or your full mix to the Files app PRIVATE BY DESIGN Every split runs on your device using on-device AI. Your music never leaves your iPhone. No servers, no tracking, no ads. ONE-TIME UNLOCK Pay once, use Stemzel forever. Unlimited splits and downloads — no monthly fees, ever. PERFECT FOR • Musicians learning parts by ear • DJs and producers isolating elements • Karaoke and acapella practice • Remixing and sampling workflows • Anyone who wants stems without uploading to the cloud Stemzel is built for speed and privacy. Import a track, wait a moment while it separates, then mute the vocals, solo the drums, or export everything — all from your pocket. Questions or feedback? Visit stemzel.com/support

Screenshots

Song Separator3 screens
Stemzel3 screens

Verdict

The call

The clearest difference is rating: Stemzel at 4.5 against Song Separator's 3.0. Stemzel also leads on ads (none vs shown). Song Separator's advantage is in-app purchases (none vs 4) and iOS requirement (18.4 vs 26.0). On price, ratings volume and device support 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. Stemzel sells 4 one-off in-app purchases. Song Separator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Stemzel holds the better App Store score, 4.5 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Scorecard5 real differences · 5 level
Song Separator versus Stemzel: the parameters behind the verdict, then further details
ParameterSong SeparatorStemzel
PriceFreeFree
Rating3.0 (1 ratings)4.5 (2 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings12 — better
Update frequencyEvery 2 months—
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS18.4 — better26.0
Further details — not scored
Size13 MB290 MB
Age rating4+4+
DeveloperXssemble s.r.o.Mahija Kottapalli

In-app purchases

None

Song Separator

No in-app purchases

4 purchases

Stemzel

One-time4
  • Small Tip$0.99
  • Medium Tip$2.99
  • Large Tip$4.99
Show 1 more
  • Stemzel Unlock$7.99

Questions

Is Song Separator free?
Song Separator is free to download, with no in-app purchases.
Is Stemzel free?
Stemzel is free to download, with in-app purchases available.
Which has better reviews, Song Separator or Stemzel?
Stemzel is rated higher. Song Separator averages 3.0 out of 5 from 1 ratings, while Stemzel averages 4.5 from 2 ratings.
Do Song Separator or Stemzel have ads?
Song Separator shows ads; Stemzel does not.

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