# Stackr vs PEP Social

The clearest difference is update cadence: PEP Social at daily against Stackr's weekly. PEP Social also leads on rating (4.9 vs 4.6). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Stackr sells 2 in-app purchases, starting at $4.99 per month and PEP Social sells 5 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

PEP Social holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 11 and 26 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Stackr ships an update weekly, PEP Social daily. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Stackr | PEP Social |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (11 ratings)](https://appshunter.io/ios/app/stackr-peptide-tracker/id6761287143/reviews) | **[4.9 (26 ratings)](https://appshunter.io/ios/app/pep-social-peptide-community/id6784893142/reviews)** |
| Number of ratings | 11 | **26** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Freemium | Freemium |
| Size | 49 MB | 66 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Alexander Hoogland](https://appshunter.io/developer/1878011747) | [PEP Social, LLC](https://appshunter.io/developer/6784893144) |

## What reviewers say

### Stackr

[App page](https://appshunter.io/ios/app/stackr-peptide-tracker/id6761287143)

Easily track supplements, peptides, and medications to ensure you never miss a dose or run out. Features include a compound library, reconstitution calculator, depletion tracking, and budget management.

**Highlights:** 200+ compound library, Reconstitution calculator, Depletion tracking, Protocol grouping, Budget tracking, Dose logging

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stackr Pro Monthly | $4.99 | per month |
| Stackr Pro Annual | $39.99 | per year |


### PEP Social

[App page](https://appshunter.io/ios/app/pep-social-peptide-community/id6784893142)

Connect with a community focused on peptide research and experiences. Share progress, track protocols with a built-in calculator, and get AI-powered answers to your peptide-related questions. This platform is for informational and community purposes only.

**Highlights:** Community feed for peptide experiences, Track peptide protocols and doses, Reconstitution calculator, AI research assistant for peptide questions, Direct messaging with members, Trending peptides and posts

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PEP Social Premium | $4.99 | per month |
| PEP Social Premium + (Monthly) | $9.99 | per month |
| PEP Social Premium (Annual) | $29.99 | per year |
| Premium Offer | $29.99 | per year |
| PEP Social Premium + (Annual) | $59.99 | per year |


## Frequently asked questions

### Is Stackr free?

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

### Is PEP Social free?

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

### Which has better reviews, Stackr or PEP Social?

PEP Social is rated higher. Stackr averages 4.6 out of 5 from 11 ratings, while PEP Social averages 4.9 from 26 ratings.

### Do Stackr or PEP Social have ads?

Neither Stackr nor PEP Social shows ads.

### Which is updated more often, Stackr or PEP Social?

Stackr ships an update weekly, and PEP Social daily. Most recently, Stackr was updated on October 28, 2026 and PEP Social on October 24, 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.*