---
title: "PeptideJournal — App Overview"
url: https://marlvel.ai/apps/com-madrid-peptidejournal
category: Health & Fitness
developer: Christopher Madrid
platforms: ios
rating: 4.3 (18 ratings)
pricing: paid
report_level: overview
generated: 2026-04-27
last_verified: "2026-04-27T11:53:11.104Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** While users value the app's calculation and inventory features, recent feedback highlights significant concerns regarding scheduling bugs and limited reminder functionality.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Health & Fitness |
| Rating | 4.3 ★ (18) |
| Pricing | paid |
| Platforms | iOS |
| Latest Version (iOS) | 1.1.7 |
| Developer | Christopher Madrid |

<!-- SECTION: Summary -->
## What is PeptideJournal?

PeptideJournal is a specialized tracking tool designed for users to manage peptide dosing, reconstitution, and inventory. The app claims to provide precision calculations for vial concentrations and dosage scheduling while maintaining data privacy by storing information locally on the device.

<!-- SECTION: Key Features -->
## Key Features

- **Precision Dose Calculator**: Calculates exact doses using an interactive syringe gauge and supports mg/mcg conversions based on vial concentration.
- **Reconstitution Simulator**: Allows users to plan mixing ratios for single peptides and multi-peptide blends before physical preparation.
- **Inventory Management**: Tracks remaining volumes for single and combo vials with automated low-stock notifications.
- **Dosing Schedule**: Provides a calendar-based interface for logging historical doses and setting reminders for upcoming administration.

<!-- SECTION: Target Audience -->
## Who is it for?

Individuals who require precise, organized tracking for peptide research and dosing protocols.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/peptidejournal/id6751492210?uo=2)
- [Full Intelligence Report](https://marlvel.ai/apps/com-madrid-peptidejournal)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/com-madrid-peptidejournal).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*