# simple loop machine vs Neon Synthetics

The clearest difference is in-app purchases: simple loop machine at none against Neon Synthetics's 1. simple loop machine also leads on update cadence (every 4 days vs every 2 weeks). Neon Synthetics's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Neon Synthetics sells 1 one-off in-app purchase. simple loop machine asks for nothing beyond the download.

simple loop machine ships an update every 4 days, Neon Synthetics every 2 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | simple loop machine | Neon Synthetics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Size | 5 MB | 2.1 GB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [GoateeAllstars](https://appshunter.io/developer/1817807346) | [SHANE FRANCIS CLARK](https://appshunter.io/developer/1895783102) |

## 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


### Neon Synthetics

[App page](https://appshunter.io/ios/app/neon-synthetics-sound-lab/id6782656698)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NEON PRO — Studio Unlock | $2.99 | one-time |


## Frequently asked questions

### Is simple loop machine free?

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

### Is Neon Synthetics free?

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

### Do simple loop machine or Neon Synthetics have ads?

simple loop machine shows ads; Neon Synthetics does not.

### Which is updated more often, simple loop machine or Neon Synthetics?

simple loop machine ships an update every 4 days, and Neon Synthetics every 2 weeks. Most recently, simple loop machine was updated on October 25, 2026 and Neon Synthetics on October 25, 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.*