# Stem Split vs StemLab

The clearest difference is rating: StemLab at 4.3 against Stem Split's 2.3. StemLab also leads on update cadence (every 9 days vs every 17 months) and ratings volume (20 vs 4). Stem Split's advantage is iOS requirement (18.0 vs 26.2). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Stem Split sells 1 one-off in-app purchase 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.

StemLab holds the better App Store score, 4.3 against 2.3. That said, the two scores are not equally well evidenced: StemLab has 20 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Stem Split ships an update every 17 months, StemLab every 9 days. The most recent releases landed on October 2, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Stem Split | StemLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (4 ratings)](https://appshunter.io/ios/app/stem-split/id6449464291/reviews) | **[4.3 (20 ratings)](https://appshunter.io/ios/app/stemlab-stem-splitter-vocals/id6762580115/reviews)** |
| Number of ratings | 4 | **20** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 9 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 179 MB | 338 MB |
| Requires iOS | **18.0** | 26.2 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Mellowmuse Ltd](https://appshunter.io/developer/425710925) | [Lauper Labs](https://appshunter.io/developer/1819370702) |

## What reviewers say

### Stem Split

[App page](https://appshunter.io/ios/app/stem-split/id6449464291)

This app separates any song into four audio stems: vocals, accompaniment, bass, and drums. All processing happens on your device, ensuring privacy and no uploads. You can then adjust the level, tempo, and pitch of these stems in real-time.

**Highlights:** Separate songs into 4 audio stems, On-device processing, Real-time level, tempo, and pitch adjustment, Import from Files app and iTunes, Supports WAV, AIFF, MP3, and MP4 formats, Export stems for sharing and other apps

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vocal Split | $3.99 | one-time |


### 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 Stem Split free?

Stem Split 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, Stem Split or StemLab?

StemLab is rated higher. Stem Split averages 2.3 out of 5 from 4 ratings, while StemLab averages 4.3 from 20 ratings.

### Do Stem Split or StemLab have ads?

Neither Stem Split nor StemLab shows ads.

### Which is updated more often, Stem Split or StemLab?

Stem Split ships an update every 17 months, and StemLab every 9 days. Most recently, Stem Split was updated on October 2, 2026 and StemLab on September 29, 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.*