# PeptiSync vs Peptide Library and Tracker

The clearest difference is monetization model: Peptide Library and Tracker at free against PeptiSync's freemium. Peptide Library and Tracker also leads on ratings volume (25 vs 2). PeptiSync's advantage is rating (5.0 vs 4.7) and update cadence (every 3 days vs every 10 days). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PeptiSync sells 7 in-app purchases, starting at $4.99 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.

PeptiSync holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Peptide Library and Tracker has 25 ratings behind it against 2, so its average is the more settled of the two.

PeptiSync ships an update every 3 days, Peptide Library and Tracker every 10 days. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | PeptiSync | Peptide Library and Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/peptisync/id6754933334/reviews)** | [4.7 (25 ratings)](https://appshunter.io/ios/app/peptide-library-and-tracker/id6755092737/reviews) |
| Number of ratings | 2 | **25** |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 10 days |
| Monetization | Freemium | **Free** |
| Size | 97 MB | 78 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [PeptiSync](https://appshunter.io/developer/1850982029) | [Superfime LLC](https://appshunter.io/developer/1833586524) |

## What reviewers say

### PeptiSync

[App page](https://appshunter.io/ios/app/peptisync/id6754933334)

This app helps users manage peptide therapy by tracking doses, inventory, progress, and symptoms. It offers a curated library of peptides and vendor price comparisons, all within a secure and private environment.

**Highlights:** Comprehensive dose tracking, Visual progress tracking, Inventory management, Analytics and insights, Symptom and side effect logging, Peptide library, Vendor price comparison

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly | $4.99 | per month |
| Pro Monthly | $9.99 | per month |
| Pro Plus Monthly | $19.99 | per month |
| Basic Yearly | $54.99 | per year |
| Pro Yearly | $99.99 | per year |
| Elite Annual | $179.99 | per year |
| Pro Plus Yearly | $199.99 | per year |


### 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 PeptiSync free?

PeptiSync 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, PeptiSync or Peptide Library and Tracker?

PeptiSync is rated higher. PeptiSync averages 5.0 out of 5 from 2 ratings, while Peptide Library and Tracker averages 4.7 from 25 ratings.

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

Neither PeptiSync nor Peptide Library and Tracker shows ads.

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

PeptiSync ships an update every 3 days, and Peptide Library and Tracker every 10 days. Most recently, PeptiSync was updated on October 9, 2026 and Peptide Library and Tracker on October 16, 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.*