# 山形工房 けん玉 大空 OZORA KENDAMA vs ArtRun

The clearest difference is in-app purchases: 山形工房 けん玉 大空 OZORA KENDAMA at none against ArtRun's 1. 山形工房 けん玉 大空 OZORA KENDAMA also leads on ads (none vs shown) and iOS requirement (11.0 vs 13.0). ArtRun's advantage is update cadence (every 6 days vs every 3 weeks). On price and device support there is nothing between them.

Both are free to download. ArtRun sells 1 one-off in-app purchase. 山形工房 けん玉 大空 OZORA KENDAMA asks for nothing beyond the download.

山形工房 けん玉 大空 OZORA KENDAMA ships an update every 3 weeks, ArtRun every 6 days. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 山形工房 けん玉 大空 OZORA KENDAMA | ArtRun |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | Free | — |
| Size | 60 MB | 41 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [DCS  CO.,LTD.](https://appshunter.io/developer/1212129186) | [HIROSHI OKAMOTO](https://appshunter.io/developer/1889238331) |

## What reviewers say

### 山形工房 けん玉 大空 OZORA KENDAMA

[App page](https://appshunter.io/ios/app/ozora-kendama/id1293739959)

This official app from Yamagata Koubou provides resources for learning and mastering kendama. It features tutorials, skill level guides, event information, and a video channel to help users improve their techniques. Members can also access coupons for the online shop.

**Highlights:** Kendama basic explanations, Trick tutorial videos, Skill level guides, Event information, Video channel, Member coupons

**Features:** macOS Compatibility

**In-app purchases:** none


### ArtRun

[App page](https://appshunter.io/ios/app/artrun/id6765644578)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is 山形工房 けん玉 大空 OZORA KENDAMA free?

山形工房 けん玉 大空 OZORA KENDAMA is free to download, with no in-app purchases.

### Is ArtRun free?

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

### Do 山形工房 けん玉 大空 OZORA KENDAMA or ArtRun have ads?

ArtRun shows ads; 山形工房 けん玉 大空 OZORA KENDAMA does not.

### Which is updated more often, 山形工房 けん玉 大空 OZORA KENDAMA or ArtRun?

山形工房 けん玉 大空 OZORA KENDAMA ships an update every 3 weeks, and ArtRun every 6 days. Most recently, 山形工房 けん玉 大空 OZORA KENDAMA was updated on November 3, 2026 and ArtRun 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.*