# IBJJF vs Ossify

The clearest difference is update cadence: Ossify at every 3 weeks against IBJJF's every 10 months. On price, ads, 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.

IBJJF ships an update every 10 months, Ossify every 3 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | IBJJF | Ossify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (8 ratings)](https://appshunter.io/ios/app/ibjjf/id6747050290/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 33 MB | 50 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | +4 | 12+ |
| Developer | [International BJJ, Inc](https://appshunter.io/developer/1819571918) | [PIOTR PESTKA](https://appshunter.io/developer/1840009215) |

## What reviewers say

### IBJJF

[App page](https://appshunter.io/ios/app/ibjjf/id6747050290)

This official sports federation app provides athletes with a digital membership card, displaying key details like rank and academy. It integrates with digital wallets for easy offline access and sends notifications for important account updates.

**Highlights:** Digital membership ID card, Athlete identification, Event check-in assistance, Apple Wallet integration, Offline access, Push notifications for updates

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

**In-app purchases:** none


### Ossify

[App page](https://appshunter.io/ios/app/ossify/id6752580973)

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

**In-app purchases:** none


## Frequently asked questions

### Is IBJJF free?

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

### Is Ossify free?

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

### Do IBJJF or Ossify have ads?

Neither IBJJF nor Ossify shows ads.

### Which is updated more often, IBJJF or Ossify?

IBJJF ships an update every 10 months, and Ossify every 3 weeks. Most recently, IBJJF was updated on October 30, 2026 and Ossify on October 30, 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.*