# Blacksheep vs RX54

The clearest difference is review sentiment: RX54 at 100% against Blacksheep's 25%. RX54 also leads on in-app purchases (none vs 1) and iOS requirement (11.0 vs 16.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Blacksheep sells 1 in-app purchase, starting at $499.00 per month. RX54 asks for nothing beyond the download.

Blacksheep ships an update every 4 weeks, RX54 every 6 weeks. The most recent releases landed on October 9, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Blacksheep | RX54 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 4 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 76 MB | 29 MB |
| Requires iOS | 16.4 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [MILLBODY DESENVOLVIMENTO DE SISTEMAS S.A](https://appshunter.io/developer/1521310759) | [Wilian Oliveira](https://appshunter.io/developer/1537453207) |

## What reviewers say

### Blacksheep

[App page](https://appshunter.io/ios/app/blacksheep/id1376074193)

This app offers dynamic and unconventional fitness routines designed to improve strength, power, and endurance. It provides daily workouts adapted to various fitness levels, focusing on warm-up, technique, and challenging daily tests to push your limits.

**Highlights:** Dynamic crossfit workouts, Daily adapted routines, Warm-up, technique, and W.O.D sessions, Focus on strength, power, endurance, Suitable for all fitness levels

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plano Mensal - Premium | $499.00 | per month |


### RX54

[App page](https://appshunter.io/ios/app/rx54/id1537453055)

Learn key physical activity movements quickly and safely with step-by-step guidance. This app offers dozens of videos organized to help you master exercises for strength and conditioning.

**Highlights:** Learn key physical activity movements, Step-by-step evolutionary progression, Dozens of organized instructional videos, Focus on gymnastics, conditioning, and LPO, Develops necessary physical capabilities

**In-app purchases:** none


## Frequently asked questions

### Is Blacksheep free?

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

### Is RX54 free?

RX54 is free to download, with no in-app purchases.

### Do Blacksheep or RX54 have ads?

Both Blacksheep and RX54 show ads.

### Which is updated more often, Blacksheep or RX54?

Blacksheep ships an update every 4 weeks, and RX54 every 6 weeks. Most recently, Blacksheep was updated on October 9, 2026 and RX54 on September 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.*