# Kepler Round Beat Box 2 vs Rifflet

The clearest difference is update cadence: Rifflet at monthly against Kepler Round Beat Box 2's every 19 months. Rifflet also leads on device support (4 vs 2). Kepler Round Beat Box 2's advantage is iOS requirement (12.0 vs 17.0). On price, ads and in-app purchases 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, Rifflet monthly. The most recent releases landed on November 6, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Kepler Round Beat Box 2 | Rifflet |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Monthly** |
| Size | 6 MB | 7 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Tomohisa Himeno](https://appshunter.io/developer/928859848) | [Anupam Chugh](https://appshunter.io/developer/1459739274) |

## 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


### Rifflet

[App page](https://appshunter.io/ios/app/rifflet/id6767064984)

**Features:** Apple Watch app, 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 Rifflet free?

Rifflet is free to download, with no in-app purchases.

### Do Kepler Round Beat Box 2 or Rifflet have ads?

Neither Kepler Round Beat Box 2 nor Rifflet shows ads.

### Which is updated more often, Kepler Round Beat Box 2 or Rifflet?

Kepler Round Beat Box 2 ships an update every 19 months, and Rifflet monthly. Most recently, Kepler Round Beat Box 2 was updated on November 6, 2026 and Rifflet on October 28, 2026.

---

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