# Chess Prep Pro Openings vs Chess Clock & Chess Timer

The clearest difference is ads: Chess Clock & Chess Timer at none against Chess Prep Pro Openings's shown. Chess Clock & Chess Timer also leads on review sentiment (100% vs 75%). Chess Prep Pro Openings's advantage is update cadence (fortnightly vs every 6 weeks) and rating (4.5 vs 4.3). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Chess Prep Pro Openings sells 3 in-app purchases, starting at $3.99 per month and Chess Clock & Chess Timer sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Chess Prep Pro Openings holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 22 and 20 respectively. Written reviews complicate that: 75% of Chess Prep Pro Openings's written reviews are positive against 100% of Chess Clock & Chess Timer's, so the app with the better star average is not the one people write more warmly about.

Chess Prep Pro Openings ships an update fortnightly, Chess Clock & Chess Timer every 6 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Chess Prep Pro Openings | Chess Clock & Chess Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (22 ratings)](https://appshunter.io/ios/app/chess-prep-pro-openings/id1606629475/reviews)** | [4.3 (20 ratings)](https://appshunter.io/ios/app/chess-clock-and-chess-timer/id6756974049/reviews) |
| Number of ratings | **22** | 20 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free with in-app purchases | Freemium |
| Size | 214 MB | 9 MB |
| Requires iOS | **15.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tomasz Bogun](https://appshunter.io/developer/1502902123) | [Maksym Farynets](https://appshunter.io/developer/1863963980) |

## What reviewers say

### Chess Prep Pro Openings

[App page](https://appshunter.io/ios/app/chess-prep-pro-openings/id1606629475)

Master chess openings by building custom repertoires and training your memory. Analyze opponent moves, discover blind spots, and utilize an advanced engine for in-depth preparation. Expand your knowledge with downloadable repertoires and import/export PGNs.

**Highlights:** Custom chess opening repertoires, Repertoire training and memory sharpening, Blind spot finder against player games, Chess openings player database, Advanced StockFish engine analysis, Downloadable and importable repertoires

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly premium subscription | $3.99 | per month |
| Yearly premium | $24.99 | per year |
| Lifetime Premium | $59.99 | one-time |


### Chess Clock & Chess Timer

[App page](https://appshunter.io/ios/app/chess-clock-and-chess-timer/id6756974049)

This app provides a tournament-ready chess clock for over-the-board games. It offers customizable time controls, including increments and delays, and features like time odds for balancing skill levels. Enjoy a clean interface with sound cues and mid-game adjustments for a distraction-free experience.

**Highlights:** Tournament-ready chess clock, Customizable time controls (increment, delay), Time odds for uneven matchups, Presets for various game speeds, Mid-game adjustments, Offline and low battery impact

**Features:** macOS Compatibility, Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Days Free | $3.99 | per 7 days |
| Premium Annual | $49.99 | per year |


## Frequently asked questions

### Is Chess Prep Pro Openings free?

Chess Prep Pro Openings is free to download, with in-app purchases available.

### Is Chess Clock & Chess Timer free?

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

### Which has better reviews, Chess Prep Pro Openings or Chess Clock & Chess Timer?

Chess Prep Pro Openings is rated higher. Chess Prep Pro Openings averages 4.5 out of 5 from 22 ratings, while Chess Clock & Chess Timer averages 4.3 from 20 ratings.

### Do Chess Prep Pro Openings or Chess Clock & Chess Timer have ads?

Chess Prep Pro Openings shows ads; Chess Clock & Chess Timer does not.

### Which is updated more often, Chess Prep Pro Openings or Chess Clock & Chess Timer?

Chess Prep Pro Openings ships an update fortnightly, and Chess Clock & Chess Timer every 6 weeks. Most recently, Chess Prep Pro Openings was updated on November 3, 2026 and Chess Clock & Chess Timer on November 5, 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.*