# Peptide Library and Tracker vs Pep Planner

The clearest difference is in-app purchases: Pep Planner at none against Peptide Library and Tracker's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Peptide Library and Tracker sells 3 in-app purchases, starting at $4.99 per month. Pep Planner asks for nothing beyond the download.

Peptide Library and Tracker ships an update every 11 days, Pep Planner every 10 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Peptide Library and Tracker | Pep Planner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (27 ratings)](https://appshunter.io/ios/app/peptide-library-and-tracker/id6755092737/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 10 days** |
| Monetization | Free | — |
| Size | 95 MB | 7 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Superfime LLC](https://appshunter.io/developer/1833586524) | [Michael Mejia Portillo](https://appshunter.io/developer/1888152553) |

## 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 (3)**

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


### Pep Planner

[App page](https://appshunter.io/ios/app/pep-planner/id6761189512)

**Features:** macOS Compatibility

**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 Pep Planner free?

Pep Planner is free to download, with no in-app purchases.

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

Neither Peptide Library and Tracker nor Pep Planner shows ads.

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

Peptide Library and Tracker ships an update every 11 days, and Pep Planner every 10 days. Most recently, Peptide Library and Tracker was updated on November 8, 2026 and Pep Planner 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.*