# Chess Openings vs Chess Clock

The clearest difference is ads: Chess Clock at none against Chess Openings's shown. Chess Clock also leads on update cadence (fortnightly vs every 4 months). Chess Openings's advantage is iOS requirement (15.0 vs 26.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Chess Openings sells 3 one-off in-app purchases and Chess Clock sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Chess Openings ships an update every 4 months, Chess Clock fortnightly. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Chess Openings | Chess Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (6 ratings)](https://appshunter.io/ios/app/chess-openings-train-retain/id1459782470/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 60 MB | 18 MB |
| Requires iOS | **15.0** | 26.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hodgepodge Apps LLC](https://appshunter.io/developer/1215143588) | [Naveen Mathivanan](https://appshunter.io/developer/1870850926) |

## What reviewers say

### Chess Openings

[App page](https://appshunter.io/ios/app/chess-openings-train-retain/id1459782470)

Master chess openings with this trainer. Memorize popular professional game sequences, explore over 1750 openings, and test your recall with randomized drills. Learn a new opening daily to enhance your chess strategy.

**Highlights:** Memorize popular openings, Explore 1750+ openings, Test memory with randomized openings, Daily opening learning, Learn grandmaster variations

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |
| Unlimited Engine | $2.99 | one-time |
| Extra Openings | $3.99 | one-time |


### Chess Clock

[App page](https://appshunter.io/ios/app/chess-clock-dual-timer/id6797176383)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chess Clock Pro Monthly | $1.99 | per month |
| Chess Clock Pro Annual | $9.99 | per year |
| Chess Clock Pro Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is Chess Openings free?

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

### Is Chess Clock free?

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

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

Chess Openings shows ads; Chess Clock does not.

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

Chess Openings ships an update every 4 months, and Chess Clock fortnightly. Most recently, Chess Openings was updated on October 7, 2026 and Chess Clock 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.*