# myoxin vs Protocol

The clearest difference is update cadence: Protocol at every 2 days against myoxin's every 4 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. myoxin sells 3 in-app purchases, starting at $4.99 per 7 days and Protocol sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

myoxin ships an update every 4 days, Protocol every 2 days. The most recent releases landed on September 12, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | myoxin | Protocol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/protocol-peptides/id6764390731/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | — | Free |
| Size | 65 MB | 47 MB |
| Requires iOS | **16.4** | 17.5 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 9+ | 12+ |
| Developer | [Tim Wehnes](https://appshunter.io/developer/1893744950) | [Alexandre Masmejean](https://appshunter.io/developer/1895978437) |

## What reviewers say

### myoxin

[App page](https://appshunter.io/ios/app/myoxin-ai-workout-planner/id6762307231)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| myoxin Weekly | $4.99 | per 7 days |
| myoxin Monthly | $17.99 | per month |
| myoxin Annual | $149.99 | per year |


### Protocol

[App page](https://appshunter.io/ios/app/protocol-peptides/id6764390731)

This app helps users meticulously track peptide cycles, logging each injection with customizable details. It provides comprehensive guides on reconstitution, injection techniques, and safety, alongside personalized reminders and progress tracking.

**Highlights:** Log peptide injections with customizable details, Curated library of 25+ compounds, Add custom compounds and edit entries, Streak counter and dose history, Per-peptide reminders with native iOS notifications, Built-in safety and how-to guides, Personalized onboarding based on goals and experience

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Protocol Pro | $1.99 | per 7 days |
| Protocol Pro | $39.99 | per year |


## Frequently asked questions

### Is myoxin free?

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

### Is Protocol free?

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

### Do myoxin or Protocol have ads?

Neither myoxin nor Protocol shows ads.

### Which is updated more often, myoxin or Protocol?

myoxin ships an update every 4 days, and Protocol every 2 days. Most recently, myoxin was updated on September 12, 2026 and Protocol on September 14, 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.*