# Judokai vs Cotiva

The clearest difference is in-app purchases: Cotiva at none against Judokai's 10. Judokai's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Judokai sells 10 one-off in-app purchases. Cotiva asks for nothing beyond the download.

Judokai ships an update every 3 weeks, Cotiva fortnightly. The most recent releases landed on October 29, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Judokai | Cotiva |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (191 ratings)](https://appshunter.io/ios/app/judokai/id1493052354/reviews)** | — |
| Number of ratings | **191** | — |
| Positive reviews | 74.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 45 MB | 68 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Eduardo Costa Producoes Audiovisuais LDA](https://appshunter.io/developer/1492684412) | [Oumar Aliev](https://appshunter.io/developer/1542616041) |

## What reviewers say

### Judokai

[App page](https://appshunter.io/ios/app/judokai/id1493052354)

Master Kodokan Judo techniques with detailed, slow-motion video demonstrations. Access all techniques anytime, anywhere, and download them for offline viewing. Learn from a 6th Dan Judo champion.

**Highlights:** Detailed Kodokan Judo techniques, 240 FPS slow-motion video, Offline video downloads, Learn from a 6th Dan champion, All Judo techniques accessible

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ma-sutemi-waza | $1.99 | one-time |
| Koshi-waza | $2.99 | one-time |
| Osaekomi-waza | $2.99 | one-time |
| Kansetsu-waza | $2.99 | one-time |
| Shime-waza | $3.99 | one-time |
| Yoko-sutemi-waza | $4.99 | one-time |
| Te-waza | $4.99 | one-time |
| Kodokan Goshin Jutsu | $4.99 | one-time |
| Ashi-waza | $6.99 | one-time |
| Judokai | $14.99 | one-time |

**What reviewers like**

- 👍 Excellent video quality and clarity
- 👍 Detailed demonstrations of techniques
- 👍 Great for learning and reference
- 👍 Easy to use and understand
- 👍 Good for exam preparation

**What reviewers complain about**

- 🐛 App crashes frequently
- 🐛 App does not start after updates
- 🐛 Videos not loading or buffering
- 🐛 Low video clarity in some instances
- 🐛 Paid content not unlocking

**Reported bugs**

- App crashes after recent updates
- App does not open after updates
- Videos do not load
- App crashes on older iPhones/OS
- Paid content not unlocking

**Requested features**

- Add new kata forms
- Include Japanese term translations
- Add download all option for videos
- Synchronize favorites across devices
- Add notes and categorization for favorites


### Cotiva

[App page](https://appshunter.io/ios/app/cotiva/id6756296987)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Judokai free?

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

### Is Cotiva free?

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

### Do Judokai or Cotiva have ads?

Neither Judokai nor Cotiva shows ads.

### Which is updated more often, Judokai or Cotiva?

Judokai ships an update every 3 weeks, and Cotiva fortnightly. Most recently, Judokai was updated on October 29, 2026 and Cotiva on September 26, 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.*