# 54D On vs DeyrFit

The clearest difference is update cadence: DeyrFit at every 11 days against 54D On's every 2 months. 54D On's advantage is iOS requirement (15.0 vs 17.0). 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.

54D On ships an update every 2 months, DeyrFit every 11 days. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 54D On | DeyrFit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (1.8K ratings)](https://appshunter.io/ios/app/54d-on/id1520445334/reviews)** | — |
| Number of ratings | **1.8K** | — |
| Positive reviews | 83.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | Free | — |
| Size | 134 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Coral GPY Gables LLC](https://appshunter.io/developer/1450738644) | [Sergio Freyre](https://appshunter.io/developer/1895961933) |

## What reviewers say

### 54D On

[App page](https://appshunter.io/ios/app/54d-on/id1520445334)

This program offers an online human transformation experience designed to help users break mental barriers and achieve significant physical and emotional results in just 54 days. It provides structured training, nutrition guidance, recovery support, and community interaction.

**Highlights:** High Intensity Online Training, Nutrition Management, Recovery Support, Real-time Coach Messaging, Workout Tracking & Scheduling, Progress Monitoring, Wearable Device Integration

**Features:** Apple Wallet

**In-app purchases:** none

**What reviewers like**

- 👍 Excellent training programs
- 🙌 Motivational coaching and support
- 🌎 Accessible from anywhere
- 💪 Effective for physical and mental transformation
- 🕰️ Flexible schedule and convenience

**What reviewers complain about**

- 🚨 Poor customer service and refund policies
- ⏰ Strict cancellation policies

**Reported bugs**

- App issues with IP changes and travel
- Occasional login and connectivity problems

**Requested features**

- More nutrition guidance and education
- Improved music integration


### DeyrFit

[App page](https://appshunter.io/ios/app/deyrfit/id6765469767)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is 54D On free?

54D On is free to download, with no in-app purchases.

### Is DeyrFit free?

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

### Do 54D On or DeyrFit have ads?

Neither 54D On nor DeyrFit shows ads.

### Which is updated more often, 54D On or DeyrFit?

54D On ships an update every 2 months, and DeyrFit every 11 days. Most recently, 54D On was updated on November 3, 2026 and DeyrFit on October 24, 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.*