# Rummi Timer vs Chess Clock

The clearest difference is update cadence: Chess Clock at every 3 months against Rummi Timer's every 10 months. Chess Clock also leads on iOS requirement (15.0 vs 18.4). 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.

Rummi Timer ships an update every 10 months, Chess Clock every 3 months. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Rummi Timer | Chess Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 months** |
| Size | 1 MB | 25 MB |
| Requires iOS | 18.4 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HAN SHENG WANG](https://appshunter.io/developer/1833824057) | [lapnito.cz s.r.o.](https://appshunter.io/developer/1577358577) |

## What reviewers say

### Rummi Timer

[App page](https://appshunter.io/ios/app/rummi-timer/id6751647116)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chess Clock

[App page](https://appshunter.io/ios/app/chess-clock-board-and-go-timer/id6791877480)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rummi Timer free?

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

### Is Chess Clock free?

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

### Do Rummi Timer or Chess Clock have ads?

Neither Rummi Timer nor Chess Clock shows ads.

### Which is updated more often, Rummi Timer or Chess Clock?

Rummi Timer ships an update every 10 months, and Chess Clock every 3 months. Most recently, Rummi Timer was updated on October 28, 2026 and Chess Clock 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.*