# Strap vs KRK

The clearest difference is in-app purchases: KRK at none against Strap's 6. KRK also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price and ads there is nothing between them.

Both are free to download. Strap sells 6 in-app purchases, starting at $6.99 per month. KRK asks for nothing beyond the download.

## The numbers

| Metric | Strap | KRK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/strap-bjj/id6557060807/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 95.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 96 MB | 9 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Florian COLBE](https://appshunter.io/developer/1723025905) | [diego steeg](https://appshunter.io/developer/6780654044) |

## What reviewers say

### Strap

[App page](https://appshunter.io/ios/app/strap-bjj/id6557060807)

Learn Brazilian Jiu-Jitsu faster with over 300 Gi and NoGi videos. Explore guards, passes, positions, and submissions, covering both attacks and defenses. Build confidence, stay motivated, and accelerate your progress on the mats.

**Highlights:** 300+ Gi and NoGi videos, Categorized by Guards, Passes, Positions, Submissions, Attacks and Defenses covered, Progress faster, Stay motivated, Build confidence

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Abonnement mensuel | $6.99 | per month |
| Abonnement mensuel | $12.99 | per month |
| Abonnement 6 Mois | $29.99 | per 6 months |
| Abonnement annuel | $49.99 | per year |
| Abonnement 6 Mois | $59.99 | per 6 months |
| Abonnement annuel | $99.99 | per year |

**What reviewers like**

- 👍 Excellent for JJB progression
- 💡 Comprehensive and complete app
- 📚 High-quality, clear explanations
- 🚀 Intuitive and fluid interface
- 💯 Great value for money

**What reviewers complain about**

- 🐛 Mac app not working
- 🐛 Premium account not accessible on Mac
- 🐛 Lack of content on specific topics (e.g., no-gi mounting)
- 🐛 Limited free content
- 🐛 Some display bugs (technique levels)

**Reported bugs**

- Mac app not functioning correctly
- Premium account inaccessible on Mac
- Display bugs related to technique levels

**Requested features**

- iPad format availability
- More content on specific no-gi techniques
- More free techniques to encourage subscription
- Ability to go to the next video in full-screen mode


### KRK

[App page](https://appshunter.io/ios/app/krk/id6780654042)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Strap free?

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

### Is KRK free?

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

### Do Strap or KRK have ads?

Neither Strap nor KRK shows ads.

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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.*