# Chess Combinations vs Chess Opening Tactics Trainer

The clearest difference is ads: Chess Combinations at none against Chess Opening Tactics Trainer's shown. Chess Combinations also leads on update cadence (every 2 weeks vs every 2 months) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. Chess Combinations sells 23 one-off in-app purchases and Chess Opening Tactics Trainer sells 7 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Chess Combinations ships an update every 2 weeks, Chess Opening Tactics Trainer every 2 months. The most recent releases landed on October 3, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Chess Combinations | Chess Opening Tactics Trainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 40 MB | 146 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Maksim Kolosov](https://appshunter.io/developer/1570015397) | [Dawid Wrzesinski](https://appshunter.io/developer/1812701337) |

## What reviewers say

### Chess Combinations

[App page](https://appshunter.io/ios/app/chess-combinations/id6504554035)

**In-app purchases (23)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Knight forks | $1.99 | one-time |
| Sacrifice on e6 | $3.99 | one-time |
| Scandinavian Defense (white) | $4.99 | one-time |
| Italian Opening, black pieces | $4.99 | one-time |
| Queen Sacrifice | $4.99 | one-time |
| Caro-Kann (white pieces) | $4.99 | one-time |
| Sicilian Defense (Dragon) | $5.99 | one-time |
| Sicilian Defense (Najdorf) | $5.99 | one-time |
| Italian Opening, white pieces | $5.99 | one-time |
| Scandinavian Defense | $5.99 | one-time |
| Classic Caro-Kann | $5.99 | one-time |
| Sicilian Defense (Paulsen) | $5.99 | one-time |
| Sicilian Defense, white pieces | $5.99 | one-time |
| Scottish Gambit | $5.99 | one-time |
| Budapest Gambit | $6.99 | one-time |
| Grob's Attack | $6.99 | one-time |
| Slav Defense | $6.99 | one-time |
| Ruy Lopez Opening | $6.99 | one-time |
| London System | $6.99 | one-time |
| King's Indian defense | $6.99 | one-time |
| Queen's Gambit, black pieces | $6.99 | one-time |
| Catalan Opening | $7.99 | one-time |
| King's Gambit | $8.99 | one-time |


### Chess Opening Tactics Trainer

[App page](https://appshunter.io/ios/app/chess-opening-tactics-trainer/id6748003312)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Espresso Subscription | $2.99 | per month |
| Flat White Subscription | $5.99 | per 3 months |
| Latte Subscription | $7.99 | per 6 months |
| Super Large Subscription | $12.99 | per year |
| Espresso | $3.99 | one-time |
| Flat White | $6.99 | one-time |
| Latte | $9.99 | one-time |


## Frequently asked questions

### Is Chess Combinations free?

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

### Is Chess Opening Tactics Trainer free?

Chess Opening Tactics Trainer is free to download, with in-app purchases available.

### Do Chess Combinations or Chess Opening Tactics Trainer have ads?

Chess Opening Tactics Trainer shows ads; Chess Combinations does not.

### Which is updated more often, Chess Combinations or Chess Opening Tactics Trainer?

Chess Combinations ships an update every 2 weeks, and Chess Opening Tactics Trainer every 2 months. Most recently, Chess Combinations was updated on October 3, 2026 and Chess Opening Tactics Trainer on October 17, 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.*