# Karyo vs Protocol

The clearest difference is in-app purchases: Karyo at none against Protocol's 2. Karyo also leads on iOS requirement (15.1 vs 17.5). On price, ads and device support there is nothing between them.

Both are free to download. Protocol sells 2 in-app purchases, starting at $1.99 per 7 days. Karyo asks for nothing beyond the download.

## The numbers

| Metric | Karyo | 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Monetization | — | Free |
| Size | 102 MB | 47 MB |
| Requires iOS | **15.1** | 17.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Karyo, LLC](https://appshunter.io/developer/1873839974) | [Alexandre Masmejean](https://appshunter.io/developer/1895978437) |

## What reviewers say

### Karyo

[App page](https://appshunter.io/ios/app/karyo-protocol-tracker/id6761967020)

**In-app purchases:** none


### 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 Karyo free?

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

### Is Protocol free?

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

### Do Karyo or Protocol have ads?

Neither Karyo nor Protocol shows ads.

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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.*