# The Peptide App vs ProtoPep

The clearest difference is in-app purchases: The Peptide App at none against ProtoPep's 3. The Peptide App also leads on ratings volume (117 vs 6). ProtoPep's advantage is rating (5.0 vs 4.6) and review sentiment (100% vs 90%). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ProtoPep sells 3 in-app purchases, starting at $5.99 per month. The Peptide App asks for nothing beyond the download.

ProtoPep holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: The Peptide App has 117 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 90% of The Peptide App's written reviews are positive against 100% of ProtoPep's.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | The Peptide App | ProtoPep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (117 ratings)](https://appshunter.io/ios/app/the-peptide-app-tracker/id6756695162/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/protopep-glp-1-tracker/id6772584745/reviews)** |
| Number of ratings | **117** | 6 |
| Positive reviews | 90.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | Every 5 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 92 MB | 10 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [The Peptide App LLC](https://appshunter.io/developer/1862367343) | [Anthony Le](https://appshunter.io/developer/1831865040) |

## What reviewers say

### The Peptide App

[App page](https://appshunter.io/ios/app/the-peptide-app-tracker/id6756695162)

This app helps you manage your peptide vials, create custom schedules with reminders, and track your progress with various health metrics. It also includes a peptide library for research and vendor price comparisons. All features are free to use.

**Highlights:** Manual vial tracking with photos and notes, Customizable schedules and reminders, Protocol and stack organization, Peptide library and research resources, Progress tracking for health metrics, Vendor price comparison

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

**In-app purchases:** none


### ProtoPep

[App page](https://appshunter.io/ios/app/protopep-glp-1-tracker/id6772584745)

This app helps users track injectable medications, including peptide blends and GLP-1 treatments. It automates complex calculations for reconstitution and titration, manages inventory, and provides detailed summaries for healthcare providers. Syncs data privately across devices with optional alerts.

**Highlights:** Automated reconstitution math, Peptide blend scheduling, Weekly titration tracking, Missed-dose alerts, Vial inventory management, Provider PDF summaries, CSV data export

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ProtoPep Pro — Monthly | $5.99 | per month |
| ProtoPep Pro — Yearly | $39.99 | per year |
| ProtoPep Pro — Lifetime | $119.99 | one-time |


## Frequently asked questions

### Is The Peptide App free?

The Peptide App is free to download, with no in-app purchases.

### Is ProtoPep free?

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

### Which has better reviews, The Peptide App or ProtoPep?

ProtoPep is rated higher. The Peptide App averages 4.6 out of 5 from 117 ratings, while ProtoPep averages 5.0 from 6 ratings.

### Do The Peptide App or ProtoPep have ads?

Neither The Peptide App nor ProtoPep shows ads.

### Which is updated more often, The Peptide App or ProtoPep?

The Peptide App ships an update every 5 days, and ProtoPep every 5 days. Most recently, The Peptide App was updated on November 5, 2026 and ProtoPep on October 31, 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.*