# PepStack vs Prof. Peptide Protocol Tracker

The clearest difference is in-app purchases: Prof. Peptide Protocol Tracker at none against PepStack's 2. Prof. Peptide Protocol Tracker also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. PepStack sells 2 in-app purchases, starting at $4.99 per month. Prof. Peptide Protocol Tracker asks for nothing beyond the download.

## The numbers

| Metric | PepStack | Prof. Peptide Protocol Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/prof-peptide-protocol-tracker/id6761995269/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Free |
| Size | 9 MB | 33 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Daniel Son, LLC](https://appshunter.io/developer/1892058935) | [Strength Cycle Studios, LLC](https://appshunter.io/developer/1892356312) |

## What reviewers say

### PepStack

[App page](https://appshunter.io/ios/app/pepstack-peptide-calculator/id6761916679)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PepStack Pro Monthly | $4.99 | per month |
| PepStack Pro Annual | $29.99 | per year |


### Prof. Peptide Protocol Tracker

[App page](https://appshunter.io/ios/app/prof-peptide-protocol-tracker/id6761995269)

Track peptide and GLP-1 doses, calculate reconstitutions, and manage complex protocols. Access a compound library, visualize estimated levels, and review research summaries. Your data remains private and on your device.

**Highlights:** Dose logging and reminders, Reconstitution calculator, 60+ compound library, Full protocol and stack support, Estimated compound levels visualization, AI research assistant, Results and trends tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is PepStack free?

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

### Is Prof. Peptide Protocol Tracker free?

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

### Do PepStack or Prof. Peptide Protocol Tracker have ads?

Neither PepStack nor Prof. Peptide Protocol Tracker shows ads.

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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.*