# ThePeptideList vs Protocol

The clearest difference is rating: Protocol at 5.0 against ThePeptideList's 3.7. ThePeptideList's advantage is in-app purchases (none vs 2) and update cadence (daily vs every 2 days). On price, ads, monetization model 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. ThePeptideList asks for nothing beyond the download.

Protocol holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

ThePeptideList ships an update daily, Protocol every 2 days. The most recent releases landed on October 22, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | ThePeptideList | Protocol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/thepeptidelist/id6757656041/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/protocol-peptides/id6764390731/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 days |
| Monetization | Free | Free |
| Size | 2 MB | 47 MB |
| Requires iOS | **17.0** | 17.5 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Andrei Mellas](https://appshunter.io/developer/1868100921) | [Alexandre Masmejean](https://appshunter.io/developer/1895978437) |

## What reviewers say

### ThePeptideList

[App page](https://appshunter.io/ios/app/thepeptidelist/id6757656041)

This app serves as an independent directory for peptide research, offering verified provider listings and comprehensive profiles of various peptides. It includes educational articles and allows users to save favorites for offline access.

**Highlights:** Verified peptide provider listings, Search and filter providers by location/shipping, Detailed peptide profiles with research summaries, Educational articles on peptide basics, Save favorite providers and peptides, Offline access to saved content

**Features:** macOS Compatibility

**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 ThePeptideList free?

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

### Is Protocol free?

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

### Which has better reviews, ThePeptideList or Protocol?

Protocol is rated higher. ThePeptideList averages 3.7 out of 5 from 3 ratings, while Protocol averages 5.0 from 1 ratings.

### Do ThePeptideList or Protocol have ads?

Neither ThePeptideList nor Protocol shows ads.

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

ThePeptideList ships an update daily, and Protocol every 2 days. Most recently, ThePeptideList was updated on October 22, 2026 and Protocol on October 2, 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.*