# Chess Clock Premium vs Chess Clock

The clearest difference is in-app purchases: Chess Clock Premium at none against Chess Clock's 1. Chess Clock Premium also leads on iOS requirement (15.1 vs 17.0). Chess Clock's advantage is update cadence (every 2 weeks vs every 75 months). On price, ads and device support there is nothing between them.

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

Chess Clock Premium ships an update every 75 months, Chess Clock every 2 weeks. The most recent releases landed on August 13, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Chess Clock Premium | Chess Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (9 ratings)](https://appshunter.io/ios/app/chess-clock-premium/id1492492461/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 75 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 40 MB | 14 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Ricciotti](https://appshunter.io/developer/327181167) | [Damir Stuhec](https://appshunter.io/developer/1161505919) |

## What reviewers say

### Chess Clock Premium

[App page](https://appshunter.io/ios/app/chess-clock-premium/id1492492461)

A free, simple, and easy-to-use game timer designed for over-the-board chess matches. It offers pre-set timer controls for various chess formats like Blitz, Classical, and Bullet, with support for increment time controls.

**Highlights:** Free to use, Simple and easy interface, Pre-set timer controls, Supports Blitz, Classical, Bullet chess, Increment time control support

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

**In-app purchases:** none


### Chess Clock

[App page](https://appshunter.io/ios/app/chess-clock-flag/id6790894606)

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is Chess Clock Premium free?

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

### Is Chess Clock free?

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

### Do Chess Clock Premium or Chess Clock have ads?

Neither Chess Clock Premium nor Chess Clock shows ads.

### Which is updated more often, Chess Clock Premium or Chess Clock?

Chess Clock Premium ships an update every 75 months, and Chess Clock every 2 weeks. Most recently, Chess Clock Premium was updated on August 13, 2026 and Chess Clock on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*