# Aion Chess Clock vs RD Chess Timer

The clearest difference is iOS requirement: Aion Chess Clock at 16.0 against RD Chess Timer's 26.0. 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.

## The numbers

| Metric | Aion Chess Clock | RD Chess Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/aion-chess-clock/id6756245729/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 6 days |
| Monetization | Free | — |
| Size | 1 MB | 26 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jorge Garcia](https://appshunter.io/developer/1859503715) | [Raghul S](https://appshunter.io/developer/1344469407) |

## What reviewers say

### Aion Chess Clock

[App page](https://appshunter.io/ios/app/aion-chess-clock/id6756245729)

This app provides a precise and elegant digital timer for chess games of all time controls. It features customizable presets, increment support, and a clear display with low-time warnings. Enjoy a distraction-free experience with haptic feedback and optional controller support.

**Highlights:** Multiple time controls (Blitz, Rapid, Classical), Customizable presets, Increment support (Fischer timing), Move counter, Dark interface, Low-time warnings, Haptic feedback, Bluetooth controller support

**In-app purchases:** none


### RD Chess Timer

[App page](https://appshunter.io/ios/app/rd-chess-timer/id6760386789)

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

**In-app purchases:** none


## Frequently asked questions

### Is Aion Chess Clock free?

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

### Is RD Chess Timer free?

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

### Do Aion Chess Clock or RD Chess Timer have ads?

Neither Aion Chess Clock nor RD Chess Timer shows ads.

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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.*