# 54D On vs Centrico

The clearest difference is device support: 54D On at 4 against Centrico's —. Centrico's advantage is iOS requirement (13.0 vs 15.0). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | 54D On | Centrico |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (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 | — |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 134 MB | 25 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | — |
| Age rating | 17+ | 4+ |
| Developer | [Coral GPY Gables LLC](https://appshunter.io/developer/1450738644) | [Fernando Quintana](https://appshunter.io/developer/1758379392) |

## 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


### Centrico

[App page](https://appshunter.io/ios/app/centrico/id6766435907)

**In-app purchases:** none


## Frequently asked questions

### Is 54D On free?

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

### Is Centrico free?

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

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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.*