# Aion Chess Clock vs Flag

The clearest difference is in-app purchases: Aion Chess Clock at none against Flag's 1. Aion Chess Clock also leads on iOS requirement (16.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. Flag sells 1 one-off in-app purchase. Aion Chess Clock asks for nothing beyond the download.

## The numbers

| Metric | Aion Chess Clock | Flag |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Monetization | Free | — |
| Size | 1 MB | 51 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jorge Garcia](https://appshunter.io/developer/1859503715) | [Anton Voropaiev](https://appshunter.io/developer/1817040513) |

## 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


### Flag

[App page](https://appshunter.io/ios/app/flag-chess-clock-and-timer/id6767051898)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flag Pro | $4.99 | one-time |


## Frequently asked questions

### Is Aion Chess Clock free?

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

### Is Flag free?

Flag is free to download, with in-app purchases available.

### Do Aion Chess Clock or Flag have ads?

Neither Aion Chess Clock nor Flag 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.*