# Protocol vs Your Echo

The clearest difference is iOS requirement: Your Echo at 15.0 against Protocol's 17.5. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Protocol sells 2 in-app purchases, starting at $1.99 per 7 days and Your Echo sells 1 in-app purchase, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Protocol ships an update every 2 days, Your Echo every 3 days. The most recent releases landed on October 2, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Protocol | Your Echo |
| --- | --- | --- |
| 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 2 days** | Every 3 days |
| Monetization | Free | — |
| Size | 47 MB | 57 MB |
| Requires iOS | 17.5 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Alexandre Masmejean](https://appshunter.io/developer/1895978437) | [Abhilash Inumella](https://appshunter.io/developer/981183159) |

## What reviewers say

### 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 |


### Your Echo

[App page](https://appshunter.io/ios/app/your-echo/id6782333788)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Echo Membership | $9.99 | per month |


## Frequently asked questions

### Is Protocol free?

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

### Is Your Echo free?

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

### Do Protocol or Your Echo have ads?

Neither Protocol nor Your Echo shows ads.

### Which is updated more often, Protocol or Your Echo?

Protocol ships an update every 2 days, and Your Echo every 3 days. Most recently, Protocol was updated on October 2, 2026 and Your Echo on October 4, 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.*