# Stemulator vs StemLab

Stemulator and StemLab both sit at 4.7 stars, but that hides the real split: 94% of Stemulator's written reviews are positive against 67% of StemLab's. Stemulator also leads on iOS requirement (15.0 vs 26.2). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Stemulator sells 8 in-app purchases, starting at $4.99 per month and StemLab sells 2 in-app purchases, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

Stemulator holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 13 and 28 respectively. Written reviews point the same way: 94% of Stemulator's written reviews are positive against 67% of StemLab's.

Stemulator ships an update every 9 days, StemLab every 11 days. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Stemulator | StemLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (13 ratings)](https://appshunter.io/ios/app/stemulator/id6757211000/reviews)** | [4.5 (28 ratings)](https://appshunter.io/ios/app/stemlab-stem-splitter-vocals/id6762580115/reviews) |
| Number of ratings | 13 | **28** |
| Positive reviews | **94.4% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 11 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 60 MB | 350 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Stemulator LLC](https://appshunter.io/developer/1865353381) | [Lauper Labs](https://appshunter.io/developer/1819370702) |

## 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 |


### StemLab

[App page](https://appshunter.io/ios/app/stemlab-stem-splitter-vocals/id6762580115)

This app uses AI to isolate up to six musical stems from any song directly on your device. It offers a multi-track mixer with studio effects, looping, recording, and export capabilities for musicians and producers. No subscription is required for core functionality.

**Highlights:** AI song stem separation, Multi-track mixer, Studio effects chain, A/B looping, On-device processing, Stem export

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StemLab Pro Yearly | $4.99 | per year |
| StemLab Pro Lifetime | $16.99 | one-time |


## Frequently asked questions

### Is Stemulator free?

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

### Is StemLab free?

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

### Which has better reviews, Stemulator or StemLab?

Stemulator is rated higher. Stemulator averages 4.7 out of 5 from 13 ratings, while StemLab averages 4.5 from 28 ratings.

### Do Stemulator or StemLab have ads?

Neither Stemulator nor StemLab shows ads.

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

Stemulator ships an update every 9 days, and StemLab every 11 days. Most recently, Stemulator was updated on October 22, 2026 and StemLab on October 24, 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.*