Comparison

Song Separator vs STEM

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

STEM

Features
Read full description

FUSE VOID STEM-X is the ultimate professional AI audio separation tool, built for producers, DJs, vocalists, and cover artists who demand perfection. Powered by advanced dual-AI hybrid engines, STEM-X extracts studio-quality stems directly on your device. Whether you need a pristine vocal acapella for a remix, a high-fidelity instrumental for karaoke, or an isolated drum groove, STEM-X delivers with industry-leading speed. FEATURES: • State-of-the-Art AI Engines: Choose between Vocal Priority (2-Stem) or Full Band Extraction (5-Stem). • Studio In Your Pocket: Process your audio files securely with lightning speed. • Pro Audio Export: Extract and export uncompressed, high-fidelity stems to your DAW or files. • Fair Quota System: Only pay for the seconds you extract. No wasted credits on full songs when you only need a loop! • Minimalist Studio Interface: Designed with a dark, premium aesthetic that feels like high-end studio hardware. Unleash your creativity, practice your covers, and remix the world with FUSE VOID STEM-X. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Song Separator3 screens
STEM3 screens

Verdict

The call

The clearest difference is in-app purchases: Song Separator at none against STEM's 6. STEM's advantage is ads (none vs shown) and update cadence (every 9 days vs every 2 months). On price 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. STEM sells 6 in-app purchases, starting at $7.99 per month. Song Separator asks for nothing beyond the download.

UpkeepUpdate frequency

Song Separator ships an update every 2 months, STEM every 9 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
Song Separator versus STEM: the parameters behind the verdict, then further details
ParameterSong SeparatorSTEM
PriceFreeFree
Rating3.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 monthsEvery 9 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.416.4 — better
Further details — not scored
Size13 MB3 MB
Age rating4+4+
DeveloperXssemble s.r.o.CEM OZAN DUZENCI

In-app purchases

None

Song Separator

No in-app purchases

6 purchases

STEM

Subscriptions5
  • Starter Monthly$7.991 Month
  • Basic Plan$12.991 Month
  • Pro Plan$24.991 Month
Show 2 more
  • Basic Plan$99.991 Year
  • Pro Plan$199.991 Year
One-time1
  • Energy Token$4.99

Questions

Is Song Separator free?
Song Separator is free to download, with no in-app purchases.
Is STEM free?
STEM is free to download, with in-app purchases available.
Do Song Separator or STEM have ads?
Song Separator shows ads; STEM does not.
Which is updated more often, Song Separator or STEM?
Song Separator ships an update every 2 months, and STEM every 9 days. Most recently, Song Separator was updated on October 24, 2026 and STEM on October 25, 2026.

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