# simple loop machine vs Stemzel

The clearest difference is in-app purchases: simple loop machine at none against Stemzel's 4. simple loop machine also leads on iOS requirement (17.0 vs 26.0). Stemzel's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Stemzel sells 4 one-off in-app purchases. simple loop machine asks for nothing beyond the download.

## The numbers

| Metric | simple loop machine | Stemzel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/stemzel/id6789668513/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | — |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 290 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [GoateeAllstars](https://appshunter.io/developer/1817807346) | [Mahija Kottapalli](https://appshunter.io/developer/6789668515) |

## What reviewers say

### simple loop machine

[App page](https://appshunter.io/ios/app/simple-loop-machine/id6771816478)

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

**In-app purchases:** none


### Stemzel

[App page](https://appshunter.io/ios/app/stemzel/id6789668513)

This app separates any song into vocals, drums, bass, and other instruments directly on your device. It offers on-device AI processing for privacy, with no cloud uploads or subscriptions required. Mix, mute, solo, and export individual stems or the full mix.

**Highlights:** On-device AI stem separation, Import audio from files or URL, Record and split audio instantly, Mute or solo individual stems, Built-in waveform scrubber, Export stems and full mix

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |
| Stemzel Unlock | $7.99 | one-time |


## Frequently asked questions

### Is simple loop machine free?

simple loop machine is free to download, with no in-app purchases.

### Is Stemzel free?

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

### Do simple loop machine or Stemzel have ads?

simple loop machine shows ads; Stemzel does not.

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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.*