# Opening Prep vs Chess Pro Trainer™

The clearest difference is in-app purchases: Opening Prep at none against Chess Pro Trainer™'s 5. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Chess Pro Trainer™ sells 5 in-app purchases, starting at $2.99 per month. Opening Prep asks for nothing beyond the download.

Opening Prep ships an update every 4 days, Chess Pro Trainer™ every 3 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Opening Prep | Chess Pro Trainer™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (15 ratings)](https://appshunter.io/ios/app/chess-pro-trainer/id6774275331/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 5 MB | 474 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Roman Bogatenko](https://appshunter.io/developer/1896131806) | [Chess With Coach Mark, LLC.](https://appshunter.io/developer/6774275333) |

## What reviewers say

### Opening Prep

[App page](https://appshunter.io/ios/app/opening-prep-chess-trainer/id6765937133)

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

**In-app purchases:** none


### Chess Pro Trainer™

[App page](https://appshunter.io/ios/app/chess-pro-trainer/id6774275331)

This app enhances tactical vision and calculation in chess through realistic in-game simulations. It teaches players when and how to spot tactical opportunities, unlike traditional puzzle apps. Features include an advanced move evaluation system and various training modules for different aspects of tactical play.

**Highlights:** Realistic in-game tactical simulation, Advanced Alternate Acceptable Move system, Tactics Recognition Training, Genius Training for aggressive play, Checks and Coordinated Squares Training, Unprotected Pieces Training, Stockfish-powered Analysis Board

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Pro Annual | $29.99 | per year |
| Pro Lifetime1 | $99.99 | one-time |
| Pro Lifetime 2 Licenses | $149.99 | one-time |
| Pro Lifetime4 | $199.99 | one-time |


## Frequently asked questions

### Is Opening Prep free?

Opening Prep is free to download, with no in-app purchases.

### Is Chess Pro Trainer™ free?

Chess Pro Trainer™ is free to download, with in-app purchases available.

### Do Opening Prep or Chess Pro Trainer™ have ads?

Neither Opening Prep nor Chess Pro Trainer™ shows ads.

### Which is updated more often, Opening Prep or Chess Pro Trainer™?

Opening Prep ships an update every 4 days, and Chess Pro Trainer™ every 3 days. Most recently, Opening Prep was updated on October 28, 2026 and Chess Pro 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.*