# RX54 vs Blocks Fit

The clearest difference is ads: Blocks Fit at none against RX54's shown. Blocks Fit also leads on update cadence (fortnightly vs every 6 weeks). RX54's advantage is iOS requirement (11.0 vs 13.4). On price, 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.

RX54 ships an update every 6 weeks, Blocks Fit fortnightly. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | RX54 | Blocks Fit |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Ad-supported | — |
| Size | 29 MB | 36 MB |
| Requires iOS | **11.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wilian Oliveira](https://appshunter.io/developer/1537453207) | [Cube Software](https://appshunter.io/developer/1211392984) |

## What reviewers say

### 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


### Blocks Fit

[App page](https://appshunter.io/ios/app/blocks-fit/id6463898368)

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

**In-app purchases:** none


## Frequently asked questions

### Is RX54 free?

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

### Is Blocks Fit free?

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

### Do RX54 or Blocks Fit have ads?

RX54 shows ads; Blocks Fit does not.

### Which is updated more often, RX54 or Blocks Fit?

RX54 ships an update every 6 weeks, and Blocks Fit fortnightly. Most recently, RX54 was updated on October 9, 2026 and Blocks Fit on October 16, 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.*