OnStem vs Noize Music
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
OnStem
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OnStem: AI Music Separation is an on-device AI-powered music separation tool that allows you to split audio tracks into individual stems with privacy and performance in mind. Powered by optimized local inference based on the open-source Spleeter project, OnStem performs all audio processing entirely on your device, without uploading files to any server. Key Features AI Music Separation Separate audio into 2 stems: Vocal and Accompaniment Separate audio into 5 stems: Vocal, Piano, Drums, Bass, and Accompaniment On-Device AI Processing All processing runs locally using on-device AI models No audio files are uploaded or shared Your content stays private on your device Optimized for Long Audio Custom optimizations allow processing of very long audio files Designed for stability and efficiency on mobile devices Multiple Export Formats Export separated tracks as MP3, WAV, M4A, or AAC Easily integrate with other audio tools and workflows Privacy First OnStem is a local-first application. All selected files are processed on your device only. No audio data or personal information is collected, stored, or uploaded. Subscriptions and Purchases OnStem offers both subscription plans and a one-time purchase option. Monthly subscription Quarterly subscription Annual subscription One-time lifetime purchase (where available) Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. You can manage or cancel your subscription at any time in your Apple ID account settings. Prices may vary by region and are displayed before purchase. Legal Privacy Policy https://github.com/yangliu-1995/stemify-legal/blob/main/Privacy-Policy/EN.md Terms of Use https://github.com/yangliu-1995/stemify-legal/blob/main/Term-of-Use/EN.md OnStem is designed for creators who value privacy, performance, and on-device AI processing.
Noize Music
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Noize is a gift for everyone who loves music. It transforms the way you experience your favorite songs. Instead of simply listening, you can decide how close you want to be to every part of the music. Adjust vocals, drums, bass, guitar, piano, and other stems independently to rediscover, understand, and even reinterpret the songs you love. For musicians, Noize becomes your personal band. Mute the original guitar and play the part yourself. Turn off the drums and become the drummer. Keep only the instruments you need and practice every rhythm, chord, and phrase with complete focus. Youβre no longer just playing along with the musicβyou become part of it. With Space Band, you can arrange each instrument in a virtual 3D space. Using stereo speakers or headphones, vocals, drums, and instruments come from different directions, creating a more immersive listening experience and making every practice session feel like performing with a real band. Listen. Isolate. Practice. Reimagine. Noize lets every song you love be played your way, all over again. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://ucnrgq2diuye.feishu.cn/wiki/C747wDkThiu2i5kDjavc6l0anNh?from=from_copylink
Screenshots
Verdict
The clearest difference is ads: Noize Music at none against OnStem's shown. On price, update cadence, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. OnStem sells 4 in-app purchases, starting at $0.99 per month and Noize Music sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
OnStem ships an update every 3 weeks, Noize Music monthly. Both last shipped on November 5, 2026.
| Parameter | OnStem | Noize Music |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks β better | Monthly |
| Ads | Yes | No β better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 18.0 |
| Further details β not scored | ||
| Size | 137 MB | 570 MB |
| Age rating | 4+ | 4+ |
| Developer | ι³ ε | εεΌΊ δ½ |
In-app purchases
OnStem
- OnStem Pro β Monthly$0.991 Month
- OnStem Pro β Quarterly$2.393 Months
- OnStem Pro β Annual7 Days trial$8.991 Year
- OnStem Pro β Lifetime$9.99
Noize Music
- Noize Pro Monthly$3.991 Month
- Noize Pro Yearly$14.991 Year









