# Chess Combinations vs PGN Trainer

The clearest difference is update cadence: PGN Trainer at every 4 days against Chess Combinations's every 2 weeks. Chess Combinations's advantage is iOS requirement (13.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Chess Combinations sells 23 one-off in-app purchases and PGN Trainer sells 3 in-app purchases, starting at $7.99 per year. Whichever you choose, the download price is not the number that matters.

Chess Combinations ships an update every 2 weeks, PGN Trainer every 4 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Chess Combinations | PGN Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pgn-trainer-chess-openings/id6757391707/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 40 MB | 121 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Maksim Kolosov](https://appshunter.io/developer/1570015397) | [Smart World Innovations LLC](https://appshunter.io/developer/1866576406) |

## 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 |


### PGN Trainer

[App page](https://appshunter.io/ios/app/pgn-trainer-chess-openings/id6757391707)

Master chess openings with a personalized repertoire builder. Import PGNs, download studies, and train using spaced repetition and engine analysis. Syncs across devices.

**Highlights:** Build custom chess opening repertoires, Import PGN files and download studies, Search openings by move sequence or ECO, Train with spaced repetition, Analyze games with engine integration, Sync library across iPhone, iPad, and Mac

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QueenBeak | $7.99 | per year |
| KnightBeak | $5.99 | one-time |
| KingBeak | $19.99 | one-time |


## Frequently asked questions

### Is Chess Combinations free?

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

### Is PGN Trainer free?

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

### Do Chess Combinations or PGN Trainer have ads?

Neither Chess Combinations nor PGN Trainer shows ads.

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

Chess Combinations ships an update every 2 weeks, and PGN Trainer every 4 days. Most recently, Chess Combinations was updated on October 25, 2026 and PGN Trainer on October 31, 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.*