Comparison

OnStem vs 星光美乐

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

Head to head
About

OnStem

Features
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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.

About

星光美乐

Features
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合唱训练与多轨道音频播放器。

Screenshots

OnStem3 screens
星光美乐3 screens

Verdict

The call

The clearest difference is in-app purchases: 星光美乐 at none against OnStem's 4. 星光美乐 also leads on ads (none vs shown) and iOS requirement (12.0 vs 18.0). 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. OnStem sells 4 in-app purchases, starting at $0.99 per month. 星光美乐 asks for nothing beyond the download.

Scorecard3 real differences · 3 level
OnStem versus 星光美乐: the parameters behind the verdict, then further details
ParameterOnStem星光美乐
PriceFreeFree
Update frequencyEvery 3 weeks—
AdsYesNo — better
In-app purchasesYesNo — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.012.0 — better
Further details — not scored
Size137 MB54 MB
Age rating4+4+
Developer阳 刘湛音科技(北京)有限公司

In-app purchases

4 purchases

OnStem

Subscriptions3
  • OnStem Pro – Monthly$0.991 Month
  • OnStem Pro – Quarterly$2.393 Months
  • OnStem Pro – Annual7 Days trial$8.991 Year
One-time1
  • OnStem Pro – Lifetime$9.99
None

星光美乐

No in-app purchases

Questions

Is OnStem free?
OnStem is free to download, with in-app purchases available.
Is 星光美乐 free?
星光美乐 is free to download, with no in-app purchases.
Do OnStem or 星光美乐 have ads?
OnStem shows ads; 星光美乐 does not.

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