ExtVocal Pro vs Prism4music
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ExtVocal Pro
This application allows users to separate audio files into five distinct stems: vocals, drums, bass, piano, and other. You can then export these individual stems as separate files for further use.
- Source separation
- 5 stem export
- Vocals extraction
- Drums extraction
- Bass extraction
- Piano extraction
- Other instrument extraction
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Extvocal Pro is an app for music source separation. It separates an audio file into 5 stems - vocals, drums, bass, piano and other. You can export the separated stems into files.
Prism4music
This app separates music and video into vocals and various instruments, supporting up to 9 tones. It offers features like pitch shifting, time stretching, and playback history for practice and karaoke.
- Separate vocals and instruments
- Supports video files
- Pitch shift and time stretch
- Adjustable tone volume
- Playback history
- Automatic BPM detection
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Separate music and video into vocals and various instruments. For karaoke or instrumental practice. 1. Prism4Music is the Prism for Music. Vocals, bass, piano, guitar, drums (snare, bass drum, cymbals, toms), and can be separated into 9 tones. 2. Also supports Video. Enjoy your favorite music videos while using for karaoke or instrument practice. 3. Music Source Separation Technology Prism4music has achieved state-of-the-art sound source separation by customizing and incorporating 'Demucs' known for its superior sound source separation technology, for the iPhone. Implemented as parallel processing, allowing seamless music playback even during conversion. 4. Import music files (including videos) such as mp4, mov, m4a, mp3, wav, etc. from the Music, Files, and Photos apps. The free version can only isolate the first 60 seconds of a file (limit can be removed with in-app purchase). 5. Each separate tone can be turned on/off individually and the volume can be adjusted. 6. Pitch shift (raise or lower the key by a semitone) and time stretch (increase or decrease the speed without changing the pitch) are also available. 7. Pinch and Pan You can pinch a graph with two fingers to expand it, or pan it back and forth with two fingers to the left or right. 8. Playback History Instantly open previously separated music using cache. Key, tempo, and AB repeat settings are also recorded. The free version allows up to 2 playback history entries, while the premium version has no limit. 9. Automatic BPM detection and BPM specification function (in-app purchase) Automatic BPM (beats per minute) detection when music files (including videos) are loaded. Based on this BPM, the tempo can be set to a higher or lower level. Please use this function for practicing musical instruments. 10. Export function of separated songs (in-app purchase) The Premium version can export separated songs.
Screenshots
Verdict
The clearest difference is review sentiment: ExtVocal Pro at 91% against Prism4music's 43%. ExtVocal Pro also leads on in-app purchases (none vs 1) and update cadence (monthly vs every 4 months). Prism4music's advantage is rating (5.0 vs 4.3). On price, ratings volume, ads 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. Prism4music sells 1 one-off in-app purchase. ExtVocal Pro asks for nothing beyond the download.
Prism4music holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 10 and 9 respectively. Written reviews complicate that: 91% of ExtVocal Pro's written reviews are positive against 43% of Prism4music's, so the app with the better star average is not the one people write more warmly about.
ExtVocal Pro ships an update monthly, Prism4music every 4 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.
| Parameter | ExtVocal Pro | Prism4music |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (10 ratings) | 5.0 (9 ratings) — better |
| Positive reviews | 90.9% of reviews — better | 42.9% of reviews |
| Number of ratings | 10 — better | 9 |
| Update frequency | Monthly — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 343 MB | 446 MB |
| Age rating | 4+ | 4+ |
| Developer | sayitsforever | Kitt Peak, Inc. |
Customer experience
ExtVocal Pro
Prism4music
In-app purchases
ExtVocal Pro
No in-app purchases
Prism4music
- Preminum Edition$4.99
Questions
Is ExtVocal Pro free?
Is Prism4music free?
Which has better reviews, ExtVocal Pro or Prism4music?
Do ExtVocal Pro or Prism4music have ads?
Which is updated more often, ExtVocal Pro or Prism4music?
Other comparisons
