# Chess Prep Pro Openings vs Opening Prep

The clearest difference is in-app purchases: Opening Prep at none against Chess Prep Pro Openings's 3. Opening Prep also leads on ads (none vs shown) and update cadence (every 4 days vs fortnightly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Chess Prep Pro Openings sells 3 in-app purchases, starting at $3.99 per month. Opening Prep asks for nothing beyond the download.

Chess Prep Pro Openings ships an update fortnightly, Opening Prep every 4 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Chess Prep Pro Openings | Opening Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (22 ratings)](https://appshunter.io/ios/app/chess-prep-pro-openings/id1606629475/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 214 MB | 5 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tomasz Bogun](https://appshunter.io/developer/1502902123) | [Roman Bogatenko](https://appshunter.io/developer/1896131806) |

## What reviewers say

### Chess Prep Pro Openings

[App page](https://appshunter.io/ios/app/chess-prep-pro-openings/id1606629475)

Master chess openings by building custom repertoires and training your memory. Analyze opponent moves, discover blind spots, and utilize an advanced engine for in-depth preparation. Expand your knowledge with downloadable repertoires and import/export PGNs.

**Highlights:** Custom chess opening repertoires, Repertoire training and memory sharpening, Blind spot finder against player games, Chess openings player database, Advanced StockFish engine analysis, Downloadable and importable repertoires

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly premium subscription | $3.99 | per month |
| Yearly premium | $24.99 | per year |
| Lifetime Premium | $59.99 | one-time |


### Opening Prep

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Chess Prep Pro Openings free?

Chess Prep Pro Openings is free to download, with in-app purchases available.

### Is Opening Prep free?

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

### Do Chess Prep Pro Openings or Opening Prep have ads?

Chess Prep Pro Openings shows ads; Opening Prep does not.

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

Chess Prep Pro Openings ships an update fortnightly, and Opening Prep every 4 days. Most recently, Chess Prep Pro Openings was updated on October 30, 2026 and Opening Prep on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*