# ChessClock vs Blitz Clock

The clearest difference is ads: Blitz Clock at none against ChessClock's shown. Blitz Clock also leads on update cadence (every 3 months vs every 8 months). ChessClock's advantage is iOS requirement (15.4 vs 26.0). On price, 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.

ChessClock ships an update every 8 months, Blitz Clock every 3 months. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ChessClock | Blitz Clock |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | Ad-supported | — |
| Size | 5 MB | 1 MB |
| Requires iOS | **15.4** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aardustry GmbH](https://appshunter.io/developer/1674069248) | [Mekala Vamsi Krishna](https://appshunter.io/developer/1855017172) |

## What reviewers say

### ChessClock

[App page](https://appshunter.io/ios/app/chessclock/id287026942)

This app provides a digital and analog chess clock with customizable time controls, including Fischer, Bronstein, and USCF delay modes. It features a classic skeuomorphic design and highlights the active clock for easy tracking during games.

**Highlights:** Dual clock display, Fischer, Bronstein, USCF delay modes, Analog and digital modes, Independent clock settings, Active clock highlighting, Skeuomorphic design

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

**In-app purchases:** none


### Blitz Clock

[App page](https://appshunter.io/ios/app/blitz-clock/id6761469832)

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

**In-app purchases:** none


## Frequently asked questions

### Is ChessClock free?

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

### Is Blitz Clock free?

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

### Do ChessClock or Blitz Clock have ads?

ChessClock shows ads; Blitz Clock does not.

### Which is updated more often, ChessClock or Blitz Clock?

ChessClock ships an update every 8 months, and Blitz Clock every 3 months. Most recently, ChessClock was updated on October 31, 2026 and Blitz Clock on October 28, 2026.

---

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