# MVSEP vs OnStem

The clearest difference is ads: MVSEP at none against OnStem's shown. MVSEP also leads on iOS requirement (15.6 vs 18.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. MVSEP sells 3 one-off in-app purchases and OnStem sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | MVSEP | OnStem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (15 ratings)](https://appshunter.io/ios/app/mvsep/id6753040381/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 137 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Olimjon Elmurodov](https://appshunter.io/developer/1842240347) | [阳 刘](https://appshunter.io/developer/1616314142) |

## What reviewers say

### MVSEP

[App page](https://appshunter.io/ios/app/mvsep/id6753040381)

This AI-powered tool separates audio tracks into individual components like vocals and instrumentals. It offers over 100 separation configurations and generates automatic subtitles. The service is free with optional purchases for advanced features.

**Highlights:** AI-based vocal and instrumental separation, 100+ separation configurations, Automatic subtitle generation, Downloadable stems and subtitles, Web-based processing, Ensemble processing for higher quality

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 60 credits | $2.99 | one-time |
| 200 credits | $4.99 | one-time |
| 600 credits | $9.99 | one-time |


### OnStem

[App page](https://appshunter.io/ios/app/onstem-local-music-split/id6756013787)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OnStem Pro – Monthly | $0.99 | per month |
| OnStem Pro – Quarterly | $2.39 | per 3 months |
| OnStem Pro – Annual | $8.99 | per year |
| OnStem Pro – Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is MVSEP free?

MVSEP is free to download, with in-app purchases available.

### Is OnStem free?

OnStem is free to download, with in-app purchases available.

### Do MVSEP or OnStem have ads?

OnStem shows ads; MVSEP does not.

### Which is updated more often, MVSEP or OnStem?

MVSEP ships an update every 3 weeks, and OnStem every 3 weeks. Most recently, MVSEP was updated on October 30, 2026 and OnStem on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*