# Peptide Library and Tracker vs Jabbit

The clearest difference is monetization model: Peptide Library and Tracker at free against Jabbit's free with in-app purchases. Peptide Library and Tracker also leads on ratings volume (25 vs 1). Jabbit's advantage is rating (5.0 vs 4.7). On price, update cadence, ads and in-app purchases 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 Jabbit sells 1 in-app purchase, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

Jabbit 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 1, so its average is the more settled of the two.

Peptide Library and Tracker ships an update every 10 days, Jabbit every 8 days. The most recent releases landed on October 16, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Peptide Library and Tracker | Jabbit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (25 ratings)](https://appshunter.io/ios/app/peptide-library-and-tracker/id6755092737/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/jabbit-peptide-tracker/id6756848719/reviews)** |
| Number of ratings | **25** | 1 |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 8 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 78 MB | 55 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Superfime LLC](https://appshunter.io/developer/1833586524) | [Bridger Apps](https://appshunter.io/developer/1863249876) |

## 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 |


### Jabbit

[App page](https://appshunter.io/ios/app/jabbit-peptide-tracker/id6756848719)

Manage peptide therapy with smart scheduling, vial tracking, and real-time serum level visualization. Track injections, monitor vial status, and visualize progress with photo comparisons and health data sync.

**Highlights:** Smart injection scheduling, Site rotation tracking, Vial reconstitution and age tracking, Real-time serum level visualization, Photo progress comparisons, Weight and BMI tracking, Private iCloud data storage

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Jabbit Pro | $9.99 | per year |


## Frequently asked questions

### Is Peptide Library and Tracker free?

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

### Is Jabbit free?

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

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

Jabbit is rated higher. Peptide Library and Tracker averages 4.7 out of 5 from 25 ratings, while Jabbit averages 5.0 from 1 ratings.

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

Neither Peptide Library and Tracker nor Jabbit shows ads.

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

Peptide Library and Tracker ships an update every 10 days, and Jabbit every 8 days. Most recently, Peptide Library and Tracker was updated on October 16, 2026 and Jabbit on October 21, 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.*