D vs Chess Combinations
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
D
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D-Академия — обучающая платформа для водителей-экспедиторов категории СЕ. Здесь собрана вся необходимая информация для эффективной реализации рейсов.
Chess Combinations
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The application offers solving chess problems, divided into sections by openings and their variations or types of tactical techniques. The goal of each task is to find a combination to mate the king, achieve an advantage, and win pieces. In most sections of the application, after solving each problem, you can see the entire chess game from which the position was obtained.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | D | Chess Combinations |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 43 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | OOO INTERNET UNIVERSITET | Maksim Kolosov |
In-app purchases
D
- START$34.99
- AMATEUR$72.99
- START$98.99
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- PRO$149.99
- START$175.99
- AMATEUR$204.99
- BUSINESS$394.99
- PRO$424.99
- AMATEUR$679.99
- PRO$759.99
Chess Combinations
- Knight forks$1.99
- Sacrifice on e6$3.99
- Scandinavian Defense (white)$4.99
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- Italian Opening, black pieces$4.99
- Queen Sacrifice$4.99
- Caro-Kann (white pieces)$4.99
- Sicilian Defense (Dragon)$5.99
- Sicilian Defense (Najdorf)$5.99
- Italian Opening, white pieces$5.99
- Scandinavian Defense$5.99
- Classic Caro-Kann$5.99
- Sicilian Defense (Paulsen)$5.99
- Sicilian Defense, white pieces$5.99
- Scottish Gambit$5.99
- Budapest Gambit$6.99
- Grob's Attack$6.99
- Slav Defense$6.99
- Ruy Lopez Opening$6.99
- London System$6.99
- King's Indian defense$6.99
- Queen's Gambit, black pieces$6.99
- Catalan Opening$7.99
- King's Gambit$8.99
