# D vs Chess Combinations

The clearest difference is update cadence: Chess Combinations at every 2 weeks against D's every 3 months. Chess Combinations also leads on iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. D sells 10 one-off in-app purchases and Chess Combinations sells 23 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

D ships an update every 3 months, Chess Combinations every 2 weeks. The most recent releases landed on October 1, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | D | Chess Combinations |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 43 MB | 40 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OOO INTERNET UNIVERSITET](https://appshunter.io/developer/1549180781) | [Maksim Kolosov](https://appshunter.io/developer/1570015397) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d/id1641030296)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| START | $34.99 | one-time |
| AMATEUR | $72.99 | one-time |
| START | $98.99 | one-time |
| PRO | $149.99 | one-time |
| START | $175.99 | one-time |
| AMATEUR | $204.99 | one-time |
| BUSINESS | $394.99 | one-time |
| PRO | $424.99 | one-time |
| AMATEUR | $679.99 | one-time |
| PRO | $759.99 | one-time |


### 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 |


## Frequently asked questions

### Is D free?

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

### Is Chess Combinations free?

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

### Do D or Chess Combinations have ads?

Neither D nor Chess Combinations shows ads.

### Which is updated more often, D or Chess Combinations?

D ships an update every 3 months, and Chess Combinations every 2 weeks. Most recently, D was updated on October 1, 2026 and Chess Combinations on October 3, 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.*