# Nactara vs Optimized Human

The clearest difference is monetization model: Nactara at free against Optimized Human's free with in-app purchases. Nactara also leads on update cadence (every 5 days vs fortnightly) and ratings volume (3 vs 1). Optimized Human's advantage is iOS requirement (15.1 vs 26.4). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Nactara sells 2 in-app purchases, starting at $7.99 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.

On the App Store both sit at effectively the same score — 5.0 for Nactara against 5.0 for Optimized Human. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Nactara ships an update every 5 days, Optimized Human fortnightly. Both last shipped on October 31, 2026.

## The numbers

| Metric | Nactara | Optimized Human |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/nactara/id6765552440/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/optimized-human/id6785295451/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 24 MB | 50 MB |
| Requires iOS | 26.4 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Nicholas Palacios](https://appshunter.io/developer/1895990631) | [Optimized Human LLC](https://appshunter.io/developer/6785295453) |

## What reviewers say

### Nactara

[App page](https://appshunter.io/ios/app/nactara/id6765552440)

This private journal helps adults meticulously track peptide protocols, managing doses, vial inventory, and personal health metrics. It offers a reconstitution calculator, side-by-side photo comparisons, and encrypted syncing across devices. The app focuses solely on organizing user-entered data for precise record-keeping.

**Highlights:** Private dosing journal, Protocol tracking, Reconstitution calculator, Automatic vial inventory, Quick-confirm logging, Health metric journaling, Side-by-side photo comparison, Encrypted cross-device sync

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nactara Monthly | $7.99 | per month |
| Nactara Annual | $79.99 | 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 Nactara free?

Nactara 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, Nactara or Optimized Human?

Nactara and Optimized Human are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Nactara or Optimized Human have ads?

Neither Nactara nor Optimized Human shows ads.

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

Nactara ships an update every 5 days, and Optimized Human fortnightly. Most recently, Nactara was updated on October 31, 2026 and Optimized Human on October 31, 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.*