# Peptide Tracker vs Peptide Library and Tracker

The clearest difference is monetization model: Peptide Library and Tracker at free against Peptide Tracker's subscription. Peptide Library and Tracker also leads on review sentiment (86% vs 77%) and iOS requirement (16.4 vs 18.6). Peptide Tracker's advantage is ratings volume (307 vs 26). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Peptide Tracker sells 7 in-app purchases, starting at $3.99 per 7 days and Peptide Library and Tracker sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Peptide Tracker against 4.7 for Peptide Library and Tracker. That said, the two scores are not equally well evidenced: Peptide Tracker has 307 ratings behind it against 26, so its average is the more settled of the two. Written reviews are what separate them: 77% of Peptide Tracker's written reviews are positive against 86% of Peptide Library and Tracker's.

Peptide Tracker ships an update weekly, Peptide Library and Tracker every 10 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | Peptide Tracker | Peptide Library and Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (307 ratings)](https://appshunter.io/ios/app/peptide-tracker-peptidekit/id6751918022/reviews) | **[4.7 (26 ratings)](https://appshunter.io/ios/app/peptide-library-and-tracker/id6755092737/reviews)** |
| Number of ratings | **307** | 26 |
| Positive reviews | 77.1% of reviews | **85.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Subscription | **Free** |
| Size | 36 MB | 78 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Jamal Baga](https://appshunter.io/developer/1587149921) | [Superfime LLC](https://appshunter.io/developer/1833586524) |

## What reviewers say

### Peptide Tracker

[App page](https://appshunter.io/ios/app/peptide-tracker-peptidekit/id6751918022)

This app helps users manage their peptide therapy journey with smart protocol management, progress tracking, and detailed journaling. It offers intelligent analytics, a built-in AI chat assistant, and a user-focused design for optimal organization and motivation.

**Highlights:** Customizable peptide protocols, Automatic shot generation, Intelligent reminder system, Weight loss and muscle growth tracking, Detailed journal entries, AI chat assistant for therapy questions

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Weekly | $3.99 | per 7 days |
| Plus Weekly | $5.99 | per 7 days |
| Plus Monthly | $9.99 | per month |
| Plus Yearly | $39.99 | per year |
| Plus Yearly | $39.99 | per year |
| Plus Yearly | $49.99 | per year |
| Plus Lifetime | $69.99 | one-time |

**What reviewers like**

- 🚀 Everything You Need in 1 app
- 👍 Great app!
- 👍 Really helpful
- 👍 Great App
- 👍 So far, so good!

**What reviewers complain about**

- 🐛 3 weeks' data disappeared
- 🐛 Wiped all my Data
- 🔔 Does not remind you

**Reported bugs**

- 3 weeks' data disappeared
- Wiped all my Data
- Notifications do not work

**Requested features**

- Build a protocol with an indefinite cycling period


### 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 |


## Frequently asked questions

### Is Peptide Tracker free?

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

### Is Peptide Library and Tracker free?

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

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

Peptide Library and Tracker is rated higher. Peptide Tracker averages 4.7 out of 5 from 307 ratings, while Peptide Library and Tracker averages 4.7 from 26 ratings.

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

Neither Peptide Tracker nor Peptide Library and Tracker shows ads.

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

Peptide Tracker ships an update weekly, and Peptide Library and Tracker every 10 days. Most recently, Peptide Tracker was updated on October 30, 2026 and Peptide Library and Tracker on October 30, 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.*