# Chess Prep Pro Openings vs Cubist

The clearest difference is ads: Cubist at none against Chess Prep Pro Openings's shown. On price, update cadence, in-app purchases and device support 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 and Cubist sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Chess Prep Pro Openings ships an update fortnightly, Cubist weekly. The most recent releases landed on November 7, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Chess Prep Pro Openings | Cubist |
| --- | --- | --- |
| 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 | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 214 MB | 81 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tomasz Bogun](https://appshunter.io/developer/1502902123) | [Eodin](https://appshunter.io/developer/1854399540) |

## 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 |


### Cubist

[App page](https://appshunter.io/ios/app/cubist-speedcubing-cube-timer/id6766051739)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cubist Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Chess Prep Pro Openings free?

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

### Is Cubist free?

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

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

Chess Prep Pro Openings shows ads; Cubist does not.

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

Chess Prep Pro Openings ships an update fortnightly, and Cubist weekly. Most recently, Chess Prep Pro Openings was updated on November 7, 2026 and Cubist on October 28, 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.*