# Operatum vs Math Brain Challenge

The clearest difference is update cadence: Math Brain Challenge at weekly against Operatum's every 9 months. Operatum's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Operatum sells 6 one-off in-app purchases and Math Brain Challenge sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Operatum ships an update every 9 months, Math Brain Challenge weekly. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Operatum | Math Brain Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/math-brain-challenge/id6753904419/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 49 MB | 60 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [YUNUS SARIBULUT](https://appshunter.io/developer/1763637727) | [Sefik Cevik](https://appshunter.io/developer/1539363112) |

## What reviewers say

### Operatum

[App page](https://appshunter.io/ios/app/operatum-sudoku-math-games/id6642707816)

Enhance your mathematical abilities with this engaging game. It offers Classic and Sudoku modes to make learning math fun for all ages, from beginners to advanced users.

**Highlights:** Improve math skills, Classic mode, Sudoku mode, Engaging gameplay, Suitable for all ages

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 20 Token | $0.99 | one-time |
| 100 Token | $0.99 | one-time |
| 50 Token | $1.99 | one-time |
| 200 Token | $1.99 | one-time |
| 500 Token | $3.99 | one-time |
| Remove Ads | $7.99 | one-time |


### Math Brain Challenge

[App page](https://appshunter.io/ios/app/math-brain-challenge/id6753904419)

Engage in daily mental math exercises to enhance cognitive skills like speed, memory, and logic. This app offers adaptive challenges that adjust to your skill level, allowing for quick sessions or longer workouts. Train anywhere, even offline, and track your progress with detailed reports.

**Highlights:** Daily rotating speed, memory, and logic challenges, Adaptive difficulty adjusts to user performance, Offline play with automatic score synchronization, Guest play with optional Google, Apple, or email sign-in, Detailed skill profile and workout reports, Weekly leaderboards and daily challenges, Eight distinct math training modes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $0.99 | per month |
| Premium Access | $9.99 | per year |
| Premium - Lifetime Access | $19.99 | one-time |


## Frequently asked questions

### Is Operatum free?

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

### Is Math Brain Challenge free?

Math Brain Challenge is free to download, with in-app purchases available.

### Do Operatum or Math Brain Challenge have ads?

Both Operatum and Math Brain Challenge show ads.

### Which is updated more often, Operatum or Math Brain Challenge?

Operatum ships an update every 9 months, and Math Brain Challenge weekly. Most recently, Operatum was updated on October 30, 2026 and Math Brain Challenge 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.*