# The Peptide App vs Prof. Peptide Protocol Tracker

The clearest difference is in-app purchases: Prof. Peptide Protocol Tracker at none against The Peptide App's 4. Prof. Peptide Protocol Tracker also leads on rating (5.0 vs 4.7). The Peptide App's advantage is update cadence (every 5 days vs every 3 weeks) and ratings volume (85 vs 3). On price, review sentiment, ads and monetization model there is nothing between them.

Both are free to download. The Peptide App sells 4 in-app purchases, starting at $4.99 per month. Prof. Peptide Protocol Tracker asks for nothing beyond the download.

Prof. Peptide Protocol Tracker holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: The Peptide App has 85 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

The Peptide App ships an update every 5 days, Prof. Peptide Protocol Tracker every 3 weeks. The most recent releases landed on September 21, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | The Peptide App | Prof. Peptide Protocol Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (85 ratings)](https://appshunter.io/ios/app/the-peptide-app-tracker/id6756695162/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/prof-peptide-protocol-tracker/id6761995269/reviews)** |
| Number of ratings | **85** | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 95 MB | 33 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [The Peptide App LLC](https://appshunter.io/developer/1862367343) | [Strength Cycle Studios, LLC](https://appshunter.io/developer/1892356312) |

## What reviewers say

### The Peptide App

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

Organize and track your peptide protocols with a comprehensive library, a reconstitution calculator, and personalized dose reminders. Log your adherence, review your dosing history, and create custom protocols tailored to your specific needs.

**Highlights:** Protocol library with dosing schedules, Reconstitution calculator for bacteriostatic water, Dose tracking and personalized reminders, Custom protocol builder, Activity log for dosing history

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access — Member Rate | $4.99 | per month |
| The Peptide App Monthly Access | $9.99 | per month |
| Yearly Access — Member Rate | $34.99 | per year |
| Yearly Access | $49.99 | per year |


### Prof. Peptide Protocol Tracker

[App page](https://appshunter.io/ios/app/prof-peptide-protocol-tracker/id6761995269)

Track peptide and GLP-1 doses, calculate reconstitutions, and manage complex protocols. Access a compound library, visualize estimated levels, and review research summaries. Your data remains private and on your device.

**Highlights:** Dose logging and reminders, Reconstitution calculator, 60+ compound library, Full protocol and stack support, Estimated compound levels visualization, AI research assistant, Results and trends tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is The Peptide App free?

The Peptide App is free to download, with in-app purchases available.

### Is Prof. Peptide Protocol Tracker free?

Prof. Peptide Protocol Tracker is free to download, with no in-app purchases.

### Which has better reviews, The Peptide App or Prof. Peptide Protocol Tracker?

Prof. Peptide Protocol Tracker is rated higher. The Peptide App averages 4.7 out of 5 from 85 ratings, while Prof. Peptide Protocol Tracker averages 5.0 from 3 ratings.

### Do The Peptide App or Prof. Peptide Protocol Tracker have ads?

Neither The Peptide App nor Prof. Peptide Protocol Tracker shows ads.

### Which is updated more often, The Peptide App or Prof. Peptide Protocol Tracker?

The Peptide App ships an update every 5 days, and Prof. Peptide Protocol Tracker every 3 weeks. Most recently, The Peptide App was updated on September 21, 2026 and Prof. Peptide Protocol Tracker on September 15, 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.*