# Peptify vs PepStack Pro

The clearest difference is rating: PepStack Pro at 5.0 against Peptify's 4.3. PepStack Pro also leads on ads (none vs shown) and review sentiment (100% vs 86%). Peptify's advantage is update cadence (every 4 days vs every 8 days). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Peptify sells 3 in-app purchases, starting at $4.99 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.

PepStack Pro holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 23 and 11 respectively. Written reviews point the same way: 86% of Peptify's written reviews are positive against 100% of PepStack Pro's.

Peptify ships an update every 4 days, PepStack Pro every 8 days. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Peptify | PepStack Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (23 ratings)](https://appshunter.io/ios/app/peptify-peptide-tracker/id6760272148/reviews) | **[5.0 (11 ratings)](https://appshunter.io/ios/app/pepstack-pro/id6760684355/reviews)** |
| Number of ratings | **23** | 11 |
| Positive reviews | 85.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 8 days |
| Monetization | Freemium | Freemium |
| Size | 84 MB | 39 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Peptify LLC](https://appshunter.io/developer/6808306686) | [MyFlowMD, LLC](https://appshunter.io/developer/1885185443) |

## What reviewers say

### Peptify

[App page](https://appshunter.io/ios/app/peptify-peptide-tracker/id6760272148)

This app provides comprehensive tools for tracking peptide protocols, including advanced pharmacokinetic modeling, bloodwork analysis, and educational resources. It helps users monitor their progress, understand compound interactions, and generate reports for healthcare providers.

**Highlights:** Pharmacokinetic modeling, Bloodwork analysis and import, Research-backed compound library, Professional PDF report generation, Body composition tracking, Educational courses and quizzes, Protocol and injection site management

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peptify Pro Monthly | $4.99 | per month |
| Peptify Pro Annual | $29.99 | per year |
| Lifetime Access | $89.99 | 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 Peptify free?

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

### Is PepStack Pro free?

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

### Which has better reviews, Peptify or PepStack Pro?

PepStack Pro is rated higher. Peptify averages 4.3 out of 5 from 23 ratings, while PepStack Pro averages 5.0 from 11 ratings.

### Do Peptify or PepStack Pro have ads?

Peptify shows ads; PepStack Pro does not.

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

Peptify ships an update every 4 days, and PepStack Pro every 8 days. Most recently, Peptify was updated on October 9, 2026 and PepStack Pro on October 1, 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.*