# Mastermind vs Karate Math Dojo

The clearest difference is in-app purchases: Mastermind at none against Karate Math Dojo's 1. Mastermind also leads on iOS requirement (12.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Karate Math Dojo sells 1 one-off in-app purchase. Mastermind asks for nothing beyond the download.

Mastermind ships an update every 3 weeks, Karate Math Dojo monthly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Mastermind | Karate Math Dojo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/karate-math-dojo/id6476067970/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | — | Free |
| Size | 59 MB | 46 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Mastermind Martial Arts Software, LLC](https://appshunter.io/developer/1571620930) | [Pangaea Learning](https://appshunter.io/developer/1049407299) |

## What reviewers say

### Mastermind

[App page](https://appshunter.io/ios/app/mastermind-martial-arts/id1571620928)

**Features:** macOS Compatibility

**In-app purchases:** none


### Karate Math Dojo

[App page](https://appshunter.io/ios/app/karate-math-dojo/id6476067970)

Learn elementary arithmetic through engaging 2D fighter action. Master addition, subtraction, multiplication, division, and fractions with a legendary karate teacher. Progress through a curriculum designed for K-5 students, facing challenges like ninjas and pirates.

**Highlights:** Arithmetic practice (K-5 curriculum), 2D fighter action gameplay, Progressive lesson plan, Addition, subtraction, multiplication, division, Fraction lessons, Tournaments and sparring

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro-Player Access | $12.99 | one-time |


## Frequently asked questions

### Is Mastermind free?

Mastermind is free to download, with no in-app purchases.

### Is Karate Math Dojo free?

Karate Math Dojo is free to download, with in-app purchases available.

### Do Mastermind or Karate Math Dojo have ads?

Neither Mastermind nor Karate Math Dojo shows ads.

### Which is updated more often, Mastermind or Karate Math Dojo?

Mastermind ships an update every 3 weeks, and Karate Math Dojo monthly. Most recently, Mastermind was updated on November 3, 2026 and Karate Math Dojo on November 4, 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.*