# Amath Clock vs โอเทลโล่ Othello

The clearest difference is in-app purchases: โอเทลโล่ Othello at none against Amath Clock's 1. โอเทลโล่ Othello also leads on iOS requirement (9.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. Amath Clock sells 1 in-app purchase, starting at $1.99 per year. โอเทลโล่ Othello asks for nothing beyond the download.

## The numbers

| Metric | Amath Clock | โอเทลโล่ Othello |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/amath-clock/id1438428568/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Monetization | Freemium | — |
| Size | 39 MB | 34 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Piyawat Rakrawee](https://appshunter.io/developer/1438428567) | [Laongdouw Somakate](https://appshunter.io/developer/1375968646) |

## What reviewers say

### Amath Clock

[App page](https://appshunter.io/ios/app/amath-clock/id1438428568)

This app functions as a chess clock, supporting multiple players and offering customizable features like negative countdowns and round tracking. It includes a score calculator for two players and provides audio alerts. A premium subscription unlocks additional functionalities.

**Highlights:** Supports 2-4 players with custom names, Negative countdown mode, Round counter, Score calculator for 2 players, Audio alerts for button presses and time expiration, Full-screen mode, Adjustable player name size

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Pro | $1.99 | per year |


### โอเทลโล่ Othello

[App page](https://appshunter.io/ios/app/othello/id1447207620)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Amath Clock free?

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

### Is โอเทลโล่ Othello free?

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

### Do Amath Clock or โอเทลโล่ Othello have ads?

Neither Amath Clock nor โอเทลโล่ Othello 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.*