Song Separator vs STEM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Split songs into individual audio tracks
- Separate vocals
- Isolate drums
- Extract bass lines
- Extract other instruments
- Advanced audio processing algorithms
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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.
STEM
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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
Verdict
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
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.
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.
| Parameter | Song Separator | STEM |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | Every 9 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.4 | 16.4 — better |
| Further details — not scored | ||
| Size | 13 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Xssemble s.r.o. | CEM OZAN DUZENCI |
In-app purchases
Song Separator
No in-app purchases
STEM
- Starter Monthly$7.991 Month
- Basic Plan$12.991 Month
- Pro Plan$24.991 Month
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- Basic Plan$99.991 Year
- Pro Plan$199.991 Year
- Energy Token$4.99









