# Mastermind vs Master Jo's World Class TKD

The clearest difference is update cadence: Master Jo's World Class TKD at weekly against Mastermind's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Mastermind ships an update every 3 weeks, Master Jo's World Class TKD weekly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Mastermind | Master Jo's World Class TKD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/master-jos-world-class-tkd/id6746126225/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | — | Free |
| Size | 59 MB | 55 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Mastermind Martial Arts Software, LLC](https://appshunter.io/developer/1571620930) | [Jiseong Jo](https://appshunter.io/developer/1815276386) |

## What reviewers say

### Mastermind

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Master Jo's World Class TKD

[App page](https://appshunter.io/ios/app/master-jos-world-class-tkd/id6746126225)

Access world-class Taekwondo curriculum videos, event registration, and class schedules from a nationally recognized martial arts school. Connect with multiple locations and stay updated on all school activities.

**Highlights:** World-class curriculum videos, Event registration, Class schedule access, Location connection, Stay updated

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mastermind free?

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

### Is Master Jo's World Class TKD free?

Master Jo's World Class TKD is free to download, with no in-app purchases.

### Do Mastermind or Master Jo's World Class TKD have ads?

Neither Mastermind nor Master Jo's World Class TKD shows ads.

### Which is updated more often, Mastermind or Master Jo's World Class TKD?

Mastermind ships an update every 3 weeks, and Master Jo's World Class TKD weekly. Most recently, Mastermind was updated on November 3, 2026 and Master Jo's World Class TKD on October 30, 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.*