# Peptide Log vs PeptideJournal

The clearest difference is price: Peptide Log at Free against PeptideJournal's $5.99. Peptide Log also leads on review sentiment (75% vs 63%). PeptideJournal's advantage is in-app purchases (none vs 2). On rating, ratings volume, update cadence and ads there is nothing between them.

Peptide Log is free to download; PeptideJournal costs $5.99 up front. Peptide Log sells 2 in-app purchases, starting at $8.99 per month. PeptideJournal asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.2 for Peptide Log against 4.3 for PeptideJournal. Both are backed by a comparable volume of ratings — 35 and 20 respectively. Written reviews are what separate them: 75% of Peptide Log's written reviews are positive against 63% of PeptideJournal's.

Peptide Log ships an update every 8 days, PeptideJournal weekly. The most recent releases landed on October 2, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Peptide Log | PeptideJournal |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | [4.2 (35 ratings)](https://appshunter.io/ios/app/peptide-log/id6744315346/reviews) | **[4.3 (20 ratings)](https://appshunter.io/ios/app/peptidejournal/id6751492210/reviews)** |
| Number of ratings | **35** | 20 |
| Positive reviews | **75.0% of reviews** | 62.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | **Weekly** |
| Monetization | Subscription | **Paid** |
| Size | 60 MB | 12 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Johannes von Grundherr](https://appshunter.io/developer/1806943173) | [Christopher Madrid](https://appshunter.io/developer/1835373775) |

## What reviewers say

### Peptide Log

[App page](https://appshunter.io/ios/app/peptide-log/id6744315346)

Manage your peptide treatment plan with this app. Track injections, monitor progress, manage inventory, and visualize your treatment with advanced features. It offers a free trial before requiring a subscription.

**Highlights:** Multi-phase protocol tracking, Custom peptide blend creation, Full inventory management, Consumables tracking with alerts, Pharmacokinetic concentration curves, Injection site rotation, Progress photo tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peptide Log Monthly | $8.99 | per month |
| Peptide Log Yearly | $39.99 | per year |


### 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


## Frequently asked questions

### Is Peptide Log free?

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

### Is PeptideJournal free?

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

### Which has better reviews, Peptide Log or PeptideJournal?

PeptideJournal is rated higher. Peptide Log averages 4.2 out of 5 from 35 ratings, while PeptideJournal averages 4.3 from 20 ratings.

### Do Peptide Log or PeptideJournal have ads?

Neither Peptide Log nor PeptideJournal shows ads.

### Which is updated more often, Peptide Log or PeptideJournal?

Peptide Log ships an update every 8 days, and PeptideJournal weekly. Most recently, Peptide Log was updated on October 2, 2026 and PeptideJournal on October 9, 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.*