# Peptide Log vs Optimized Human

The clearest difference is rating: Optimized Human at 5.0 against Peptide Log's 4.2. Optimized Human also leads on monetization model (free with in-app purchases vs subscription) and iOS requirement (15.1 vs 18.6). Peptide Log's advantage is ratings volume (35 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Peptide Log sells 2 in-app purchases, starting at $8.99 per month and Optimized Human sells 2 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

Optimized Human holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Peptide Log has 35 ratings behind it against 1, so its average is the more settled of the two.

Peptide Log ships an update every 8 days, Optimized Human fortnightly. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Peptide Log | Optimized Human |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (35 ratings)](https://appshunter.io/ios/app/peptide-log/id6744315346/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/optimized-human/id6785295451/reviews)** |
| Number of ratings | **35** | 1 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Fortnightly |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 60 MB | 49 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Johannes von Grundherr](https://appshunter.io/developer/1806943173) | [Optimized Human LLC](https://appshunter.io/developer/6785295453) |

## 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 |


### Optimized Human

[App page](https://appshunter.io/ios/app/optimized-human/id6785295451)

Manage peptide protocols with ease. Plan cycles, calculate doses, track injections, and monitor inventory. Syncs across devices and offers free basic tracking with an optional Pro subscription for advanced features.

**Highlights:** Protocol planning with cycling and periodization, Titration support for dose adjustments, Reconstitution calculator for precise dosing, Dose logging with visual injection site tracking, Inventory management with low-stock alerts, Cross-device data synchronization

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro — Monthly | $19.99 | per month |
| Pro — Annual | $191.99 | per year |


## Frequently asked questions

### Is Peptide Log free?

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

### Is Optimized Human free?

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

### Which has better reviews, Peptide Log or Optimized Human?

Optimized Human is rated higher. Peptide Log averages 4.2 out of 5 from 35 ratings, while Optimized Human averages 5.0 from 1 ratings.

### Do Peptide Log or Optimized Human have ads?

Neither Peptide Log nor Optimized Human shows ads.

### Which is updated more often, Peptide Log or Optimized Human?

Peptide Log ships an update every 8 days, and Optimized Human fortnightly. Most recently, Peptide Log was updated on October 2, 2026 and Optimized Human on October 1, 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.*