# chess.ceo vs Chess Clock

The clearest difference is update cadence: Chess Clock at every 2 days against chess.ceo's every 4 weeks. chess.ceo's advantage is iOS requirement (15.0 vs 17.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. chess.ceo sells 2 in-app purchases, starting at $5.99 per month and Chess Clock sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for chess.ceo against 5.0 for Chess Clock. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

chess.ceo ships an update every 4 weeks, Chess Clock every 2 days. The most recent releases landed on October 20, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | chess.ceo | Chess Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/chessceo/id6759229388/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/chess-clock-scoresheet/id6794050498/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 151 MB | 9 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CHESSGM OU](https://appshunter.io/developer/1877558592) | [Adam Saleh](https://appshunter.io/developer/6794050500) |

## What reviewers say

### chess.ceo

[App page](https://appshunter.io/ios/app/chessceo/id6759229388)

This app provides professional chess analysis tools, including engine analysis, a vast game database, and opponent preparation features. It allows users to analyze games, study master-level games, and follow live tournaments. An optional subscription unlocks advanced features like offline database access and a distraction-free analysis board.

**Highlights:** Engine analysis with Stockfish, 14 million master-level game database, Opponent search and repertoire study, Live tournament broadcasts, Full game analysis with PGN import, Organize and sync PGN files, Chess960 and chess clock

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CEO tier | $5.99 | per month |
| Cloud Credits | $8.99 | one-time |


### Chess Clock

[App page](https://appshunter.io/ios/app/chess-clock-scoresheet/id6794050498)

This app provides an accurate chess game timer with customizable controls and low-time warnings. It also functions as a self-filling scoresheet, recording game details and player statistics. Additionally, it offers features for organizing chess clubs, finding nearby opponents, and managing game data securely.

**Highlights:** Customizable chess clock presets, Fischer increment and US/Bronstein delay, Self-filling game scoresheet, Player win/loss/draw statistics, Club creation and management, Nearby player finding, Encrypted data backups

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chess Clock Pro | $3.99 | one-time |


## Frequently asked questions

### Is chess.ceo free?

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

### Is Chess Clock free?

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

### Which has better reviews, chess.ceo or Chess Clock?

chess.ceo and Chess Clock are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.

### Do chess.ceo or Chess Clock have ads?

Neither chess.ceo nor Chess Clock shows ads.

### Which is updated more often, chess.ceo or Chess Clock?

chess.ceo ships an update every 4 weeks, and Chess Clock every 2 days. Most recently, chess.ceo was updated on October 20, 2026 and Chess Clock on October 14, 2026.

---

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