# Optimized Human vs Peplii

The clearest difference is update cadence: Peplii at weekly against Optimized Human's fortnightly. Optimized Human's advantage is iOS requirement (15.1 vs 17.6). On price, ads, in-app purchases 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 and Peplii sells 8 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Optimized Human ships an update fortnightly, Peplii weekly. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Optimized Human | Peplii |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/optimized-human/id6785295451/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 34 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Optimized Human LLC](https://appshunter.io/developer/6785295453) | [Chibbi studio Inc.](https://appshunter.io/developer/1755003096) |

## 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 |


### Peplii

[App page](https://appshunter.io/ios/app/peplii-peptide-and-dose-tracker/id6786983538)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peplii PRO Monthly | $4.99 | per month |
| Peplii PRO Yearly | $49.99 | per year |
| Handful of Chibcoins | $0.99 | one-time |
| Elite Item (Tier 1) | $0.99 | one-time |
| Elite Item (Tier 2) | $2.99 | one-time |
| Pouch of Chibcoins | $4.99 | one-time |
| Elite Item (Tier 3) | $4.99 | one-time |
| Chest of Chibcoins | $9.99 | one-time |


## Frequently asked questions

### Is Optimized Human free?

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

### Is Peplii free?

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

### Do Optimized Human or Peplii have ads?

Neither Optimized Human nor Peplii shows ads.

### Which is updated more often, Optimized Human or Peplii?

Optimized Human ships an update fortnightly, and Peplii weekly. Most recently, Optimized Human was updated on October 17, 2026 and Peplii on October 8, 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.*