# CalcMaster vs Mental Math Champion

The clearest difference is ads: CalcMaster at none against Mental Math Champion's shown. CalcMaster also leads on update cadence (every 10 days vs every 2 months). Mental Math Champion's advantage is iOS requirement (16.4 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. CalcMaster sells 1 one-off in-app purchase and Mental Math Champion sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

CalcMaster ships an update every 10 days, Mental Math Champion every 2 months. The most recent releases landed on November 13, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CalcMaster | Mental Math Champion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mental-math-champion/id6791796687/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 16 MB | 277 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yoshitaka Tanaka](https://appshunter.io/developer/1510093015) | [Stealth Launch Limited Liability Company](https://appshunter.io/developer/1888983701) |

## What reviewers say

### CalcMaster

[App page](https://appshunter.io/ios/app/calcmaster-math-practice/id6767875466)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalcMaster Full Pack | $9.99 | one-time |


### Mental Math Champion

[App page](https://appshunter.io/ios/app/mental-math-champion/id6791796687)

Improve your arithmetic skills through engaging gameplay. Solve math problems to progress through story trails, race against the clock, and conquer challenging dungeon levels. Offers various practice modes and competitive challenges for consistent skill development.

**Highlights:** Story-driven math progression, Nine distinct practice modes, Timed speed challenges, Roguelite dungeon mode, Online leaderboards, Progress tracking and statistics

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mental Math Champion Pro Weekly | $2.99 | per 7 days |
| Mental Math Champion Pro Monthly! | $7.99 | per month |
| Mental Math Champion Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is CalcMaster free?

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

### Is Mental Math Champion free?

Mental Math Champion is free to download, with in-app purchases available.

### Do CalcMaster or Mental Math Champion have ads?

Mental Math Champion shows ads; CalcMaster does not.

### Which is updated more often, CalcMaster or Mental Math Champion?

CalcMaster ships an update every 10 days, and Mental Math Champion every 2 months. Most recently, CalcMaster was updated on November 13, 2026 and Mental Math Champion on October 31, 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.*