# 00 vs Rocksy

The clearest difference is update cadence: Rocksy at every 3 weeks against 00's every 2 months. 00's advantage is iOS requirement (10.0 vs 17.0). On price, ads, 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.

00 ships an update every 2 months, Rocksy every 3 weeks. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 00 | Rocksy |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 42 MB | 2 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Adriaan de Jongh](https://appshunter.io/developer/965628077) | [Jakub Kulhavy](https://appshunter.io/developer/1707917117) |

## What reviewers say

### 00

[App page](https://appshunter.io/ios/app/0036/id1484981309)

This app serves as a companion for your movement practice, offering tools like timers, breaks, and a metronome. It also provides advanced partner instructions to guide your sessions.

**Highlights:** Timers and breaks, Advanced partner instructions, Metronome, Movement practice companion

**In-app purchases:** none


### Rocksy

[App page](https://appshunter.io/ios/app/rocksy/id6467138228)

**In-app purchases:** none


## Frequently asked questions

### Is 00 free?

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

### Is Rocksy free?

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

### Do 00 or Rocksy have ads?

Neither 00 nor Rocksy shows ads.

### Which is updated more often, 00 or Rocksy?

00 ships an update every 2 months, and Rocksy every 3 weeks. Most recently, 00 was updated on October 16, 2026 and Rocksy on October 9, 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.*