# Peptide Tracker & Calculator vs PepOS

The clearest difference is review sentiment: PepOS at 100% against Peptide Tracker & Calculator's 71%. PepOS also leads on rating (5.0 vs 4.8). Peptide Tracker & Calculator's advantage is update cadence (every 2 days vs fortnightly) and ratings volume (593 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Peptide Tracker & Calculator sells 4 in-app purchases, starting at $3.99 per month and PepOS sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

PepOS holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Peptide Tracker & Calculator has 593 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 71% of Peptide Tracker & Calculator's written reviews are positive against 100% of PepOS's.

Peptide Tracker & Calculator ships an update every 2 days, PepOS fortnightly. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Peptide Tracker & Calculator | PepOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (593 ratings)](https://appshunter.io/ios/app/peptide-tracker-and-calculator/id6744902384/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pepos-peptide-tracker/id6763047593/reviews)** |
| Number of ratings | **593** | 1 |
| Positive reviews | 71.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Fortnightly |
| Monetization | Free with in-app purchases | Freemium |
| Size | 69 MB | 29 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [David Dzeveckij](https://appshunter.io/developer/1808720973) | [DOHO DIGITAL, LLC](https://appshunter.io/developer/1895136742) |

## What reviewers say

### Peptide Tracker & Calculator

[App page](https://appshunter.io/ios/app/peptide-tracker-and-calculator/id6744902384)

This app helps you meticulously track and calculate peptide dosages, inventory, and injection sites. It provides smart alerts for low stock and detailed logs of your usage history for research, fitness, or therapeutic protocols. Your data is stored securely and privately on your device.

**Highlights:** Comprehensive peptide inventory management, Precise dosing log and calculation support, Intelligent injection site rotation tracking, Smart low stock alerts, Detailed dose history review, Secure local data storage

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full App Access (Monthly) | $3.99 | per month |
| Full App Access (Monthly) | $4.99 | per month |
| Full App Access (Yearly) | $19.99 | per year |
| Full App Access (Yearly) | $24.99 | per year |


### PepOS

[App page](https://appshunter.io/ios/app/pepos-peptide-tracker/id6763047593)

Track peptide doses, build custom protocols, and monitor your body's response with AI insights. Integrates with Apple Health for comprehensive optimization tracking. Not medical advice.

**Highlights:** AI peptide intelligence, Protocol builder, Apple Health integration, Vial inventory tracking, Injection site rotation, Progress tracking, AI insights and reports

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PepOS Intelligence | $9.99 | per month |
| PepOS Intelligence | $59.99 | per year |


## Frequently asked questions

### Is Peptide Tracker & Calculator free?

Peptide Tracker & Calculator is free to download, with in-app purchases available.

### Is PepOS free?

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

### Which has better reviews, Peptide Tracker & Calculator or PepOS?

PepOS is rated higher. Peptide Tracker & Calculator averages 4.8 out of 5 from 593 ratings, while PepOS averages 5.0 from 1 ratings.

### Do Peptide Tracker & Calculator or PepOS have ads?

Neither Peptide Tracker & Calculator nor PepOS shows ads.

### Which is updated more often, Peptide Tracker & Calculator or PepOS?

Peptide Tracker & Calculator ships an update every 2 days, and PepOS fortnightly. Most recently, Peptide Tracker & Calculator was updated on November 6, 2026 and PepOS 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.*