# Remember the Numbers vs Learn Chess Openings with Cat

The clearest difference is in-app purchases: Remember the Numbers at none against Learn Chess Openings with Cat's 8. Remember the Numbers also leads on iOS requirement (6.1 vs 13.0). Learn Chess Openings with Cat's advantage is update cadence (every 2 weeks vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Learn Chess Openings with Cat sells 8 one-off in-app purchases. Remember the Numbers asks for nothing beyond the download.

Remember the Numbers ships an update every 4 months, Learn Chess Openings with Cat every 2 weeks. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Remember the Numbers | Learn Chess Openings with Cat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/remember-the-numbers/id774614600/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 10 MB | 29 MB |
| Requires iOS | **6.1** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HiramekiLab Inc.](https://appshunter.io/developer/451004589) | [REBRON](https://appshunter.io/developer/1777058665) |

## What reviewers say

### Remember the Numbers

[App page](https://appshunter.io/ios/app/remember-the-numbers/id774614600)

Test your memory by recalling numbers shown briefly. Progress through increasingly challenging stages as you prove your recall abilities. This game is designed to sharpen your mental recall.

**Highlights:** Memory testing game, Recall numbers at a glance, Increasingly difficult stages, Sharpen mental recall

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

**In-app purchases:** none


### Learn Chess Openings with Cat

[App page](https://appshunter.io/ios/app/learn-chess-openings-with-cat/id6766206115)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Popular No.4 Semi-Slav Defense | $1.99 | one-time |
| Popular No.5 French Defense | $1.99 | one-time |
| Popular No.6 Caro-Kann Defense | $1.99 | one-time |
| Popular No.7 English Opening | $1.99 | one-time |
| Popular No.8 King’s Indian Attack | $1.99 | one-time |
| Popular No.9 Scandinavian Defense | $1.99 | one-time |
| Popular No.10 Pirc Defense | $1.99 | one-time |
| Unlock All Openings | $7.99 | one-time |


## Frequently asked questions

### Is Remember the Numbers free?

Remember the Numbers is free to download, with no in-app purchases.

### Is Learn Chess Openings with Cat free?

Learn Chess Openings with Cat is free to download, with in-app purchases available.

### Do Remember the Numbers or Learn Chess Openings with Cat have ads?

Neither Remember the Numbers nor Learn Chess Openings with Cat shows ads.

### Which is updated more often, Remember the Numbers or Learn Chess Openings with Cat?

Remember the Numbers ships an update every 4 months, and Learn Chess Openings with Cat every 2 weeks. Most recently, Remember the Numbers was updated on November 1, 2026 and Learn Chess Openings with Cat on November 5, 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.*