# Pep vs PepStack Pro

The clearest difference is update cadence: Pep at every 2 days against PepStack Pro's every 8 days. PepStack Pro's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Pep sells 3 in-app purchases, starting at $6.99 per month and PepStack Pro sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

Pep ships an update every 2 days, PepStack Pro every 8 days. The most recent releases landed on September 4, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Pep | PepStack Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (11 ratings)](https://appshunter.io/ios/app/pepstack-pro/id6760684355/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 8 days |
| Monetization | — | Freemium |
| Size | 91 MB | 39 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Quriocity Inc.](https://appshunter.io/developer/478277484) | [MyFlowMD, LLC](https://appshunter.io/developer/1885185443) |

## What reviewers say

### Pep

[App page](https://appshunter.io/ios/app/pep-peptide-tracker/id6758924191)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| Yearly | $59.99 | per year |
| Lifetime | $79.99 | one-time |


### PepStack Pro

[App page](https://appshunter.io/ios/app/pepstack-pro/id6760684355)

This app provides a comprehensive database of peptides, personalized protocol recommendations, and tools to track your peptide journey. Monitor injections, log progress, and check for interactions to optimize your health and wellness goals safely.

**Highlights:** Peptide database with clinical data, Personalized peptide recommendations, Interaction checker for peptide safety, Physician-designed protocol templates, Injection schedule and dose tracking, Lab and progress journaling, Direct physician connection

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PepStack Pro Premium | $8.99 | per month |
| PepStack Pro Premium | $49.99 | per year |


## Frequently asked questions

### Is Pep free?

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

### Is PepStack Pro free?

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

### Do Pep or PepStack Pro have ads?

Neither Pep nor PepStack Pro shows ads.

### Which is updated more often, Pep or PepStack Pro?

Pep ships an update every 2 days, and PepStack Pro every 8 days. Most recently, Pep was updated on September 4, 2026 and PepStack Pro on September 13, 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.*