# Amath Clock vs ปากจระเข้ 3D

The clearest difference is in-app purchases: ปากจระเข้ 3D at none against Amath Clock's 1. Amath Clock's advantage is ads (none vs shown) and iOS requirement (13.0 vs 17.0). On price, update cadence 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. ปากจระเข้ 3D asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 10 days. The most recent releases landed on November 2, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Amath Clock | ปากจระเข้ 3D |
| --- | --- | --- |
| 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** | Yes |
| Update frequency | Every 10 days | Every 10 days |
| Monetization | Freemium | — |
| Size | 39 MB | 5 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Piyawat Rakrawee](https://appshunter.io/developer/1438428567) | [Thirawat Tatatmi](https://appshunter.io/developer/6786351864) |

## 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 |


### ปากจระเข้ 3D

[App page](https://appshunter.io/ios/app/3d/id6818685814)

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

**In-app purchases:** none


## Frequently asked questions

### Is Amath Clock free?

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

### Is ปากจระเข้ 3D free?

ปากจระเข้ 3D is free to download, with no in-app purchases.

### Do Amath Clock or ปากจระเข้ 3D have ads?

ปากจระเข้ 3D shows ads; Amath Clock does not.

### Which is updated more often, Amath Clock or ปากจระเข้ 3D?

Amath Clock ships an update every 10 days, and ปากจระเข้ 3D every 10 days. Most recently, Amath Clock was updated on November 2, 2026 and ปากจระเข้ 3D on October 24, 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.*