# PlayStems vs TempoKey

The clearest difference is update cadence: TempoKey at weekly against PlayStems's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PlayStems sells 1 one-off in-app purchase and TempoKey sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

PlayStems ships an update every 3 weeks, TempoKey weekly. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | PlayStems | TempoKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/playstems-audio-stem-player/id6773736611/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 3 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Matthias Santer](https://appshunter.io/developer/1538440760) | [Shenzhen Liubai Software Co., Ltd](https://appshunter.io/developer/1861301699) |

## What reviewers say

### PlayStems

[App page](https://appshunter.io/ios/app/playstems-audio-stem-player/id6773736611)

This app allows musicians to isolate and manipulate individual instrument tracks from stereo songs or multi-track stems. Practice complex sections, learn by ear, or create backing tracks with on-device AI processing for complete privacy.

**Highlights:** On-device AI stem splitting, Multi-track mixer, Variable tempo and pitch control, Loopable practice markers, Offline audio processing, Per-stem volume and pan adjustment

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $4.99 | one-time |


### TempoKey

[App page](https://appshunter.io/ios/app/tempokey-bpm-analyzer/id6803607067)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $3.99 | one-time |


## Frequently asked questions

### Is PlayStems free?

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

### Is TempoKey free?

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

### Do PlayStems or TempoKey have ads?

Neither PlayStems nor TempoKey shows ads.

### Which is updated more often, PlayStems or TempoKey?

PlayStems ships an update every 3 weeks, and TempoKey weekly. Most recently, PlayStems was updated on October 31, 2026 and TempoKey on November 10, 2026.

---

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