# Master Kim's World Class TKD vs Run Stillwater

The clearest difference is ads: Run Stillwater at none against Master Kim's World Class TKD's shown. Run Stillwater also leads on update cadence (every 2 months vs every 37 months). Master Kim's World Class TKD's advantage is iOS requirement (11.0 vs 15.2). On price, 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.

Master Kim's World Class TKD ships an update every 37 months, Run Stillwater every 2 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Master Kim's World Class TKD | Run Stillwater |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (13 ratings)](https://appshunter.io/ios/app/master-kims-world-class-tkd/id1510842697/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 37 months | **Every 2 months** |
| Monetization | Ad-supported | — |
| Size | 26 MB | 108 MB |
| Requires iOS | **11.0** | 15.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Junghwan Kim](https://appshunter.io/developer/1510842696) | [Run Stillwater, Inc.](https://appshunter.io/developer/1747230814) |

## What reviewers say

### Master Kim's World Class TKD

[App page](https://appshunter.io/ios/app/master-kims-world-class-tkd/id1510842697)

This app provides a direct connection to a leading martial arts school, offering access to class schedules, event updates, and instructional videos. Users can easily find directions, contact the school, and share program benefits with others.

**Highlights:** Upcoming Events updates, Class schedule access, Instant notifications, Instructional videos (forms, terms, self-defense), Curriculum materials, Contact information and directions

**Features:** macOS Compatibility

**In-app purchases:** none


### Run Stillwater

[App page](https://appshunter.io/ios/app/run-stillwater/id6502888217)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

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

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

### Is Run Stillwater free?

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

### Do Master Kim's World Class TKD or Run Stillwater have ads?

Master Kim's World Class TKD shows ads; Run Stillwater does not.

### Which is updated more often, Master Kim's World Class TKD or Run Stillwater?

Master Kim's World Class TKD ships an update every 37 months, and Run Stillwater every 2 months. Most recently, Master Kim's World Class TKD was updated on November 3, 2026 and Run Stillwater on November 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*