# Peptide Library and Tracker vs Dosebook

The clearest difference is update cadence: Dosebook at daily against Peptide Library and Tracker's every 10 days. Dosebook also leads on rating (5.0 vs 4.7) and review sentiment (100% vs 86%). Peptide Library and Tracker's advantage is monetization model (free vs freemium) and ratings volume (25 vs 7). On price, ads, in-app purchases and device support 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 Dosebook sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Dosebook holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 25 and 7 respectively. Written reviews point the same way: 86% of Peptide Library and Tracker's written reviews are positive against 100% of Dosebook's.

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

## The numbers

| Metric | Peptide Library and Tracker | Dosebook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (25 ratings)](https://appshunter.io/ios/app/peptide-library-and-tracker/id6755092737/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/dosebook-peptide-tracker/id6761605951/reviews)** |
| Number of ratings | **25** | 7 |
| Positive reviews | 85.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Daily** |
| Monetization | **Free** | Freemium |
| Size | 78 MB | 58 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Superfime LLC](https://appshunter.io/developer/1833586524) | [Dustin Sparage](https://appshunter.io/developer/1874579031) |

## 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 |


### Dosebook

[App page](https://appshunter.io/ios/app/dosebook-peptide-tracker/id6761605951)

This app helps organize research-focused routines with a peptide calculator and logbook. It assists with reconstitution math, logging doses, tracking inventory, and exploring a peptide reference library.

**Highlights:** Peptide reconstitution calculator, Dose and shot logbook, Active-level timeline estimation, Inventory tracking, Peptide reference library, Premium pro tools

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dosebook | $7.99 | per month |
| DoseBook | $49.99 | 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 Dosebook free?

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

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

Dosebook is rated higher. Peptide Library and Tracker averages 4.7 out of 5 from 25 ratings, while Dosebook averages 5.0 from 7 ratings.

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

Neither Peptide Library and Tracker nor Dosebook shows ads.

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

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