# Peptide Library and Tracker vs PeptideBro

The clearest difference is monetization model: Peptide Library and Tracker at free against PeptideBro's freemium. Peptide Library and Tracker also leads on ratings volume (28 vs 3). PeptideBro's advantage is rating (5.0 vs 4.8) and review sentiment (100% vs 86%). On price, update cadence, ads and in-app purchases 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 and PeptideBro sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

PeptideBro holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Peptide Library and Tracker has 28 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 100% of PeptideBro's.

Peptide Library and Tracker ships an update every 11 days, PeptideBro every 2 weeks. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Peptide Library and Tracker | PeptideBro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (28 ratings)](https://appshunter.io/ios/app/peptide-library-and-tracker/id6755092737/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/peptidebro-peptide-tracker/id6763947732/reviews)** |
| Number of ratings | **28** | 3 |
| Positive reviews | 85.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 weeks |
| Monetization | **Free** | Freemium |
| Size | 95 MB | 11 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Superfime LLC](https://appshunter.io/developer/1833586524) | [Maicol F Thompson](https://appshunter.io/developer/1895568937) |

## 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 |


### PeptideBro

[App page](https://appshunter.io/ios/app/peptidebro-peptide-tracker/id6763947732)

Instantly calculate precise medication dosages on a visual syringe and organize your entire treatment protocol. Log doses, track injection sites, and manage schedules with reminders, all while keeping your data private and on-device.

**Highlights:** Visual syringe dosage calculation, Dose logging and tracking, Injection site rotation map, Scheduled reminders, Biochemistry reference library, Progress charting (Pro), Automatic iCloud backup (Pro)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PeptideBro Pro Monthly | $4.99 | per month |
| PeptideBro Pro Yearly | $39.99 | per year |
| PeptideBro Pro Lifetime | $99.99 | 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 PeptideBro free?

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

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

PeptideBro is rated higher. Peptide Library and Tracker averages 4.8 out of 5 from 28 ratings, while PeptideBro averages 5.0 from 3 ratings.

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

Neither Peptide Library and Tracker nor PeptideBro shows ads.

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

Peptide Library and Tracker ships an update every 11 days, and PeptideBro every 2 weeks. Most recently, Peptide Library and Tracker was updated on November 9, 2026 and PeptideBro 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.*