# Peptide Library and Tracker vs Peptide Tracker

The clearest difference is rating: Peptide Library and Tracker at 4.7 against Peptide Tracker's 3.7. Peptide Library and Tracker also leads on review sentiment (86% vs 60%) and monetization model (free vs freemium). Peptide Tracker's advantage is update cadence (every 5 days vs every 11 days). On price, ads, in-app purchases and device support 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 and Peptide Tracker sells 4 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Peptide Library and Tracker holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: Peptide Library and Tracker has 27 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 86% of Peptide Library and Tracker's written reviews are positive against 60% of Peptide Tracker's.

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

## The numbers

| Metric | Peptide Library and Tracker | Peptide Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (27 ratings)](https://appshunter.io/ios/app/peptide-library-and-tracker/id6755092737/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/peptide-tracker-cycle/id6759026690/reviews) |
| Number of ratings | **27** | 3 |
| Positive reviews | **85.7% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Size | 95 MB | 20 MB |
| Requires iOS | **16.4** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Superfime LLC](https://appshunter.io/developer/1833586524) | [Denis Kulkov](https://appshunter.io/developer/1867205516) |

## 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 |


### Peptide Tracker

[App page](https://appshunter.io/ios/app/peptide-tracker-cycle/id6759026690)

This app helps you manage your peptide treatment by tracking schedules, doses, and supply. It offers reminders, progress tracking, and gamified elements to encourage consistency. Data is kept private on your device.

**Highlights:** Built-in library of 30+ peptides, Custom peptide addition, Dose scheduling and reminders, Supply tracking, Gamified progress with XP and achievements, One-tap logging

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

**In-app purchases (4)**

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


## Frequently asked questions

### Is Peptide Library and Tracker free?

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

### Is Peptide Tracker free?

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

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

Peptide Library and Tracker is rated higher. Peptide Library and Tracker averages 4.7 out of 5 from 27 ratings, while Peptide Tracker averages 3.7 from 3 ratings.

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

Neither Peptide Library and Tracker nor Peptide Tracker shows ads.

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

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