# soundtronics vs PlayStems

The clearest difference is ads: PlayStems at none against soundtronics's shown. PlayStems also leads on update cadence (every 11 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

soundtronics ships an update every 2 months, PlayStems every 11 days. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | soundtronics | PlayStems |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 11 days** |
| Size | 9 MB | 48 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Masayuki Akamatsu](https://appshunter.io/developer/284722836) | [Matthias Santer](https://appshunter.io/developer/1538440760) |

## What reviewers say

### soundtronics

[App page](https://appshunter.io/ios/app/soundtronics/id6756941705)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


### PlayStems

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

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is soundtronics free?

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

### Is PlayStems free?

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

### Do soundtronics or PlayStems have ads?

soundtronics shows ads; PlayStems does not.

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

soundtronics ships an update every 2 months, and PlayStems every 11 days. Most recently, soundtronics was updated on October 14, 2026 and PlayStems on October 2, 2026.

---

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