# PeptidePal vs Peptide Library and Tracker

The clearest difference is review sentiment: Peptide Library and Tracker at 86% against PeptidePal's 33%. Peptide Library and Tracker also leads on rating (4.7 vs 3.4) and monetization model (free vs freemium). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. PeptidePal sells 3 in-app purchases, starting at $2.99 per month 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.

Peptide Library and Tracker holds the better App Store score, 4.7 against 3.4. That said, the two scores are not equally well evidenced: Peptide Library and Tracker has 25 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 33% of PeptidePal's written reviews are positive against 86% of Peptide Library and Tracker's.

PeptidePal ships an update fortnightly, Peptide Library and Tracker every 10 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | PeptidePal | Peptide Library and Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (5 ratings)](https://appshunter.io/ios/app/peptidepal/id6746348113/reviews) | **[4.7 (25 ratings)](https://appshunter.io/ios/app/peptide-library-and-tracker/id6755092737/reviews)** |
| Number of ratings | 5 | **25** |
| Positive reviews | 33.3% of reviews | **85.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | Freemium | **Free** |
| Size | 49 MB | 78 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [SIGNALWORKS LABS INC.](https://appshunter.io/developer/1816293557) | [Superfime LLC](https://appshunter.io/developer/1833586524) |

## What reviewers say

### PeptidePal

[App page](https://appshunter.io/ios/app/peptidepal/id6746348113)

This app helps users meticulously track research peptides, manage inventory, and schedule doses with smart reminders. It also offers new health tracking features for sleep, supplements, and progress monitoring, with secure data syncing and export options.

**Highlights:** Log doses with a simple swipe, Track multiple peptides simultaneously, Organize peptide stock with low stock alerts, Daily or specific day dose reminders, Monitor sleep patterns and quality, Track weight and body measurements, Export data as CSV for analysis

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PeptidePal Pro | $2.99 | per month |
| Peptidepal Yearly | $29.99 | per year |
| PeptidePal Pro | $2.99 | one-time |


### 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 PeptidePal free?

PeptidePal 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, PeptidePal or Peptide Library and Tracker?

Peptide Library and Tracker is rated higher. PeptidePal averages 3.4 out of 5 from 5 ratings, while Peptide Library and Tracker averages 4.7 from 25 ratings.

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

Neither PeptidePal nor Peptide Library and Tracker shows ads.

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

PeptidePal ships an update fortnightly, and Peptide Library and Tracker every 10 days. Most recently, PeptidePal was updated on October 24, 2026 and Peptide Library and Tracker on October 24, 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.*