# Chess Combinations vs Chess Opening Trainer & Drills

The clearest difference is device support: Chess Combinations at 3 against Chess Opening Trainer & Drills's 1. Chess Combinations also leads on iOS requirement (13.0 vs 17.0). On price, ads 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 Trainer & Drills sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Chess Combinations | Chess Opening Trainer & Drills |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 40 MB | 3 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Maksim Kolosov](https://appshunter.io/developer/1570015397) | [LEAN ASIA CO., LTD](https://appshunter.io/developer/1815050814) |

## 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 Trainer & Drills

[App page](https://appshunter.io/ios/app/chess-opening-trainer-and-drills/id6772130737)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Theory Quiz Weekly | $2.99 | per 7 days |
| Flashcards Yearly | $14.99 | per year |
| Repertoire Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Chess Combinations free?

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

### Is Chess Opening Trainer & Drills free?

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

### Do Chess Combinations or Chess Opening Trainer & Drills have ads?

Neither Chess Combinations nor Chess Opening Trainer & Drills shows ads.

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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.*