# Optimized Human vs Peptide Protocol+

The clearest difference is rating: Optimized Human at 5.0 against Peptide Protocol+'s 3.5. Peptide Protocol+'s advantage is in-app purchases (none vs 2) and update cadence (daily vs fortnightly). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Optimized Human sells 2 in-app purchases, starting at $19.99 per month. Peptide Protocol+ asks for nothing beyond the download.

Optimized Human holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Optimized Human ships an update fortnightly, Peptide Protocol+ daily. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Optimized Human | Peptide Protocol+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/optimized-human/id6785295451/reviews)** | [3.5 (2 ratings)](https://appshunter.io/ios/app/peptide-protocol-plus/id6789688925/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 50 MB | 42 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Optimized Human LLC](https://appshunter.io/developer/6785295453) | [JUSTIN MICHAEL CIFELLI](https://appshunter.io/developer/6789688927) |

## What reviewers say

### 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 |


### Peptide Protocol+

[App page](https://appshunter.io/ios/app/peptide-protocol-plus/id6789688925)

This app helps researchers manage peptide cycles with detailed protocol building, smart reminders, and progress tracking. It includes a built-in library for quick reference and prioritizes user privacy with local data storage and PIN protection.

**Highlights:** Build peptide cycles with dosage and frequency, Smart dose reminders, Review cycle history and add notes, Built-in peptide library, Local data storage and PIN protection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Optimized Human free?

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

### Is Peptide Protocol+ free?

Peptide Protocol+ is free to download, with no in-app purchases.

### Which has better reviews, Optimized Human or Peptide Protocol+?

Optimized Human is rated higher. Optimized Human averages 5.0 out of 5 from 1 ratings, while Peptide Protocol+ averages 3.5 from 2 ratings.

### Do Optimized Human or Peptide Protocol+ have ads?

Neither Optimized Human nor Peptide Protocol+ shows ads.

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

Optimized Human ships an update fortnightly, and Peptide Protocol+ daily. Most recently, Optimized Human was updated on October 31, 2026 and Peptide Protocol+ on November 5, 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.*