# Fit brains trainer. Math pairs vs The Code Cracker

The clearest difference is update cadence: The Code Cracker at every 4 days against Fit brains trainer. Math pairs's every 2 weeks. Fit brains trainer. Math pairs's advantage is iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Fit brains trainer. Math pairs sells 1 one-off in-app purchase and The Code Cracker sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Fit brains trainer. Math pairs ships an update every 2 weeks, The Code Cracker every 4 days. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Fit brains trainer. Math pairs | The Code Cracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (28 ratings)](https://appshunter.io/ios/app/fit-brains-trainer-math-pairs/id1059186666/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 59.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 60 MB | 2 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vasily Lisyansky](https://appshunter.io/developer/977576332) | [Amilcar Zambrano Guevara](https://appshunter.io/developer/1874795319) |

## What reviewers say

### Fit brains trainer. Math pairs

[App page](https://appshunter.io/ios/app/fit-brains-trainer-math-pairs/id1059186666)

Engage in daily brain workouts designed for adults over 40 to enhance memory, focus, and logic. This app offers over 20 mini-games, including math challenges and memory matching, with a clean interface and simple controls for effective cognitive training.

**Highlights:** Memory training games, Logic puzzles, Mental arithmetic challenges, Attention and speed games, Pattern recall exercises, Progress tracking

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MemBrain - full version | $12.99 | one-time |


### The Code Cracker

[App page](https://appshunter.io/ios/app/the-code-cracker/id6808843317)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Crack Pro | $9.99 | one-time |


## Frequently asked questions

### Is Fit brains trainer. Math pairs free?

Fit brains trainer. Math pairs is free to download, with in-app purchases available.

### Is The Code Cracker free?

The Code Cracker is free to download, with in-app purchases available.

### Do Fit brains trainer. Math pairs or The Code Cracker have ads?

Neither Fit brains trainer. Math pairs nor The Code Cracker shows ads.

### Which is updated more often, Fit brains trainer. Math pairs or The Code Cracker?

Fit brains trainer. Math pairs ships an update every 2 weeks, and The Code Cracker every 4 days. Most recently, Fit brains trainer. Math pairs was updated on October 15, 2026 and The Code Cracker on October 7, 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.*