# PeptideJournal vs RepTraq

The clearest difference is price: RepTraq at Free against PeptideJournal's $5.99. PeptideJournal's advantage is update cadence (weekly vs every 2 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

RepTraq is free to download; PeptideJournal costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PeptideJournal ships an update weekly, RepTraq every 2 months. The most recent releases landed on October 9, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | PeptideJournal | RepTraq |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[4.3 (20 ratings)](https://appshunter.io/ios/app/peptidejournal/id6751492210/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Paid | — |
| Size | 12 MB | 20 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Christopher Madrid](https://appshunter.io/developer/1835373775) | [Jacob Brummer](https://appshunter.io/developer/1888164953) |

## What reviewers say

### PeptideJournal

[App page](https://appshunter.io/ios/app/peptidejournal/id6751492210)

This app helps you precisely calculate peptide doses, manage your inventory, and track your usage history. It offers smart scheduling and detailed analytics, all while keeping your data private and secure on your device.

**Highlights:** Precision dose calculation, Reconstitution simulation, Inventory management, Dose history tracking, Usage analytics, Smart scheduling, Calendar integration

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

**In-app purchases:** none


### RepTraq

[App page](https://appshunter.io/ios/app/reptraq/id6761184674)

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

**In-app purchases:** none


## Frequently asked questions

### Is PeptideJournal free?

PeptideJournal costs $5.99, with no in-app purchases.

### Is RepTraq free?

RepTraq is free to download, with no in-app purchases.

### Do PeptideJournal or RepTraq have ads?

Neither PeptideJournal nor RepTraq shows ads.

### Which is updated more often, PeptideJournal or RepTraq?

PeptideJournal ships an update weekly, and RepTraq every 2 months. Most recently, PeptideJournal was updated on October 9, 2026 and RepTraq on September 13, 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.*