# Peptide Library and Tracker vs The Peptide App

The clearest difference is in-app purchases: The Peptide App at none against Peptide Library and Tracker's 2. The Peptide App also leads on update cadence (every 5 days vs every 11 days) and ratings volume (117 vs 27). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Peptide Library and Tracker sells 2 in-app purchases, starting at $4.99 per month. The Peptide App asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Peptide Library and Tracker against 4.6 for The Peptide App. Both are backed by a comparable volume of ratings — 27 and 117 respectively. Written reviews are what separate them: 86% of Peptide Library and Tracker's written reviews are positive against 90% of The Peptide App's.

Peptide Library and Tracker ships an update every 11 days, The Peptide App every 5 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | Peptide Library and Tracker | The Peptide App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (27 ratings)](https://appshunter.io/ios/app/peptide-library-and-tracker/id6755092737/reviews)** | [4.6 (117 ratings)](https://appshunter.io/ios/app/the-peptide-app-tracker/id6756695162/reviews) |
| Number of ratings | 27 | **117** |
| Positive reviews | 85.7% of reviews | **90.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 5 days** |
| Monetization | Free | Free |
| Size | 95 MB | 92 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Superfime LLC](https://appshunter.io/developer/1833586524) | [The Peptide App LLC](https://appshunter.io/developer/1862367343) |

## What reviewers say

### Peptide Library and Tracker

[App page](https://appshunter.io/ios/app/peptide-library-and-tracker/id6755092737)

This app serves as a comprehensive guide and lab assistant for peptide research. It offers a detailed peptide library, dose calculation tools, and advanced tracking features for logging, inventory management, and protocol adherence. Users can also access educational content and community Q&A to enhance their research workflow.

**Highlights:** Comprehensive Peptide Library & Database, Advanced Peptide Dose Calculator, Smart Tracking & Calendar View, Lab Inventory Management, Protocol Tracking & Lab Assistant, Integrated Peptide Education

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peptide Library Pro Monthly | $4.99 | per month |
| Peptide Library Pro Yearly | $39.99 | per year |


### 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


## Frequently asked questions

### Is Peptide Library and Tracker free?

Peptide Library and Tracker is free to download, with in-app purchases available.

### Is The Peptide App free?

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

### Which has better reviews, Peptide Library and Tracker or The Peptide App?

Peptide Library and Tracker is rated higher. Peptide Library and Tracker averages 4.7 out of 5 from 27 ratings, while The Peptide App averages 4.6 from 117 ratings.

### Do Peptide Library and Tracker or The Peptide App have ads?

Neither Peptide Library and Tracker nor The Peptide App shows ads.

### Which is updated more often, Peptide Library and Tracker or The Peptide App?

Peptide Library and Tracker ships an update every 11 days, and The Peptide App every 5 days. Most recently, Peptide Library and Tracker was updated on November 5, 2026 and The Peptide App on November 5, 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.*