# Strap vs OSS Academy

The clearest difference is in-app purchases: OSS Academy at none against Strap's 3. OSS Academy also leads on device support (3 vs 1). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Strap sells 3 in-app purchases, starting at $12.99 per month. OSS Academy asks for nothing beyond the download.

Strap ships an update every 3 weeks, OSS Academy fortnightly. The most recent releases landed on September 23, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Strap | OSS Academy |
| --- | --- | --- |
| 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 | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 96 MB | 70 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Florian COLBE](https://appshunter.io/developer/1723025905) | [Jeremy Roustang](https://appshunter.io/developer/595131737) |

## 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 (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Abonnement mensuel | $12.99 | per month |
| 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


### OSS Academy

[App page](https://appshunter.io/ios/app/oss-academy/id6755065484)

This platform streamlines the management of combat sports academies, offering tools for class scheduling, attendance tracking, payments, and student progression. It supports academy owners, professors, and practitioners with features for managing finances, teaching, and tracking martial arts journeys.

**Highlights:** Smart class scheduling, Attendance tracking (QR code), Member management with roles, Integrated payment processing, Student progression tracking, Competition management, Built-in store for merchandise

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

**In-app purchases:** none


## Frequently asked questions

### Is Strap free?

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

### Is OSS Academy free?

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

### Do Strap or OSS Academy have ads?

Neither Strap nor OSS Academy shows ads.

### Which is updated more often, Strap or OSS Academy?

Strap ships an update every 3 weeks, and OSS Academy fortnightly. Most recently, Strap was updated on September 23, 2026 and OSS Academy on September 25, 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.*