# MAXABILITY vs Silver Fox BJJ

The clearest difference is monetization model: Silver Fox BJJ at free against MAXABILITY's ad-supported. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for MAXABILITY against 4.9 for Silver Fox BJJ. Both are backed by a comparable volume of ratings — 8 and 7 respectively.

MAXABILITY ships an update every 5 weeks, Silver Fox BJJ every 2 months. The most recent releases landed on October 8, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | MAXABILITY | Silver Fox BJJ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/maxability/id6446381866/reviews)** | [4.9 (7 ratings)](https://appshunter.io/ios/app/silver-fox-bjj-butler/id6782512406/reviews) |
| Number of ratings | **8** | 7 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 93 MB | 67 MB |
| Requires iOS | **15** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maxability Sports and CrossFit](https://appshunter.io/developer/1703145935) | [Joseph Zingone](https://appshunter.io/developer/6782512408) |

## What reviewers say

### MAXABILITY

[App page](https://appshunter.io/ios/app/maxability/id6446381866)

This app allows members to book spots in classes and sign up for gym events. It also provides account management features, such as updating personal photos and payment information.

**Highlights:** Class reservations, Gym event sign-ups, Account management, Headshot updates, Credit card management

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

**In-app purchases:** none


### Silver Fox BJJ

[App page](https://appshunter.io/ios/app/silver-fox-bjj-butler/id6782512406)

This app keeps students and families connected to their martial arts academy. Access class schedules, important announcements, and academy resources all in one place. It fosters a supportive community for learning and growth in Brazilian Jiu-Jitsu.

**Highlights:** View class schedules, Academy announcements, Important notifications, Access academy resources, Connect with community

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

**In-app purchases:** none


## Frequently asked questions

### Is MAXABILITY free?

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

### Is Silver Fox BJJ free?

Silver Fox BJJ is free to download, with no in-app purchases.

### Which has better reviews, MAXABILITY or Silver Fox BJJ?

MAXABILITY is rated higher. MAXABILITY averages 5.0 out of 5 from 8 ratings, while Silver Fox BJJ averages 4.9 from 7 ratings.

### Do MAXABILITY or Silver Fox BJJ have ads?

Neither MAXABILITY nor Silver Fox BJJ shows ads.

### Which is updated more often, MAXABILITY or Silver Fox BJJ?

MAXABILITY ships an update every 5 weeks, and Silver Fox BJJ every 2 months. Most recently, MAXABILITY was updated on October 8, 2026 and Silver Fox BJJ on October 23, 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.*