# PepStack Pro vs Protocol Peptide Tracker App

PepStack Pro and Protocol Peptide Tracker App are too close to call on the numbers: across 10 compared parameters — price, rating, review sentiment and ratings volume among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. PepStack Pro sells 2 in-app purchases, starting at $8.99 per month and Protocol Peptide Tracker App sells 5 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for PepStack Pro against 5.0 for Protocol Peptide Tracker App. Both are backed by a comparable volume of ratings — 11 and 9 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

PepStack Pro ships an update every 8 days, Protocol Peptide Tracker App weekly. The most recent releases landed on September 13, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | PepStack Pro | Protocol Peptide Tracker App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (11 ratings)](https://appshunter.io/ios/app/pepstack-pro/id6760684355/reviews) | [5.0 (9 ratings)](https://appshunter.io/ios/app/protocol-peptide-tracker-app/id6761315875/reviews) |
| Number of ratings | **11** | 9 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Weekly** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 39 MB | 49 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [MyFlowMD, LLC](https://appshunter.io/developer/1885185443) | [IMA, LLC](https://appshunter.io/developer/1888827769) |

## What reviewers say

### 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 |


### Protocol Peptide Tracker App

[App page](https://appshunter.io/ios/app/protocol-peptide-tracker-app/id6761315875)

This app helps users track and calculate peptide dosages, manage supplements, and monitor habits. It offers AI-powered tools for research, protocol building, and data analysis, all while keeping user data private on the device.

**Highlights:** Peptide calculator and reconstitution math, Comprehensive protocol tracking (compounds, supplements, habits), Six AI-powered tools (research, check-in coach, stack score), Pharmacokinetic curve visualization, 81-compound research library, Injection site rotation with 3D body map, Bloodwork and lab tracking

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Protocol Pro - Monthly | $7.99 | per month |
| Protocol Pro - Monthly | $49.99 | per year |
| 50 AI Query Credits | $0.99 | one-time |
| 200 Query Credits | $2.99 | one-time |
| Protocol Pro Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is PepStack Pro free?

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

### Is Protocol Peptide Tracker App free?

Protocol Peptide Tracker App is free to download, with in-app purchases available.

### Which has better reviews, PepStack Pro or Protocol Peptide Tracker App?

PepStack Pro and Protocol Peptide Tracker App are both rated 5.0 out of 5 on the App Store, from 11 and 9 ratings respectively.

### Do PepStack Pro or Protocol Peptide Tracker App have ads?

Neither PepStack Pro nor Protocol Peptide Tracker App shows ads.

### Which is updated more often, PepStack Pro or Protocol Peptide Tracker App?

PepStack Pro ships an update every 8 days, and Protocol Peptide Tracker App weekly. Most recently, PepStack Pro was updated on September 13, 2026 and Protocol Peptide Tracker App on September 12, 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.*