# Kepler Round Beat Box 2 vs simple loop machine

The clearest difference is ads: Kepler Round Beat Box 2 at none against simple loop machine's shown. Kepler Round Beat Box 2 also leads on iOS requirement (12.0 vs 17.0). simple loop machine's advantage is update cadence (every 4 days vs every 19 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Kepler Round Beat Box 2 ships an update every 19 months, simple loop machine every 4 days. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Kepler Round Beat Box 2 | simple loop machine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 19 months | **Every 4 days** |
| Size | 6 MB | 5 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tomohisa Himeno](https://appshunter.io/developer/928859848) | [GoateeAllstars](https://appshunter.io/developer/1817807346) |

## What reviewers say

### Kepler Round Beat Box 2

[App page](https://appshunter.io/ios/app/kepler-round-beat-box-2/id1071722135)

**Features:** Vision Pro support

**In-app purchases:** none


### simple loop machine

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Kepler Round Beat Box 2 free?

Kepler Round Beat Box 2 is free to download, with no in-app purchases.

### Is simple loop machine free?

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

### Do Kepler Round Beat Box 2 or simple loop machine have ads?

simple loop machine shows ads; Kepler Round Beat Box 2 does not.

### Which is updated more often, Kepler Round Beat Box 2 or simple loop machine?

Kepler Round Beat Box 2 ships an update every 19 months, and simple loop machine every 4 days. Most recently, Kepler Round Beat Box 2 was updated on October 4, 2026 and simple loop machine on October 7, 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.*