# Chess Opening Trainer & Drills vs Chess Visualization

Chess Opening Trainer & Drills and Chess Visualization are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Chess Opening Trainer & Drills sells 3 in-app purchases, starting at $2.99 per 7 days and Chess Visualization sells 5 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Chess Opening Trainer & Drills | Chess Visualization |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/chess-visualization/id6775240663/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Monetization | — | Freemium |
| Size | 3 MB | 714 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [LEAN ASIA CO., LTD](https://appshunter.io/developer/1815050814) | [Oliver Werther](https://appshunter.io/developer/6775240665) |

## What reviewers say

### 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 |


### Chess Visualization

[App page](https://appshunter.io/ios/app/chess-visualization/id6775240663)

Enhance your chess calculation and visualization skills with over 1.1 million offline puzzles. Train to see moves ahead, master tactics, and improve your endgame play. Learn from mistakes and track progress with a unique reward system.

**Highlights:** Visualize up to 25 moves ahead, Over 1.1 million offline puzzles, Rating ladder for skill progression, Tactical themes and mating patterns, Endgame practice against engine, Mistake review and training, Progress tracking with badges

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Annual | $49.99 | per year |
| Ambassador Access | Free | one-time |
| Titled Player 12 Months Pass | $0.29 | one-time |
| Titled Player 6 Months Pass | $0.29 | one-time |


## Frequently asked questions

### Is Chess Opening Trainer & Drills free?

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

### Is Chess Visualization free?

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

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

Neither Chess Opening Trainer & Drills nor Chess Visualization 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.*