# Stemulator vs VinylCheck

The clearest difference is price: Stemulator at Free against VinylCheck's $0.99. Stemulator also leads on update cadence (every 9 days vs every 2 months) and device support (4 vs 2). VinylCheck's advantage is in-app purchases (none vs 8). On ads there is nothing between them.

Stemulator is free to download; VinylCheck costs $0.99 up front. Stemulator sells 8 in-app purchases, starting at $4.99 per month. VinylCheck asks for nothing beyond the download.

Stemulator ships an update every 9 days, VinylCheck every 2 months. The most recent releases landed on October 12, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Stemulator | VinylCheck |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.7 (14 ratings)](https://appshunter.io/ios/app/stemulator/id6757211000/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 94.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 60 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stemulator LLC](https://appshunter.io/developer/1865353381) | [William Chatham](https://appshunter.io/developer/1875708996) |

## What reviewers say

### Stemulator

[App page](https://appshunter.io/ios/app/stemulator/id6757211000)

This app uses advanced audio separation models to extract individual elements from any song with studio-quality precision. It offers modes for producers to download stems and for musicians to play along with real-time mixing and chord mapping.

**Highlights:** Extract up to 18 stems per track, Producers Mode for stem downloads, Musicians Mode for real-time mixing, Generate MIDI chord maps, Real-time chord mapping and waterfall MIDI piano, Supports major audio formats for import and export

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional | $4.99 | per month |
| Studio | $9.99 | per month |
| Audiophile | $19.99 | per month |
| Production | $29.99 | per month |
| Professional (Annual) | $39.00 | per year |
| Studio (Annual) | $79.00 | per year |
| Audiophile (Annual) | $149.00 | per year |
| Production (Annual) | $249.00 | per year |


### VinylCheck

[App page](https://appshunter.io/ios/app/vinylcheck/id6758915065)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stemulator free?

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

### Is VinylCheck free?

VinylCheck costs $0.99, with no in-app purchases.

### Do Stemulator or VinylCheck have ads?

Neither Stemulator nor VinylCheck shows ads.

### Which is updated more often, Stemulator or VinylCheck?

Stemulator ships an update every 9 days, and VinylCheck every 2 months. Most recently, Stemulator was updated on October 12, 2026 and VinylCheck on October 11, 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.*