# Peptidely vs PepStack Pro

The clearest difference is in-app purchases: Peptidely at none against PepStack Pro's 2. PepStack Pro's advantage is ratings volume (11 vs 2). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. PepStack Pro sells 2 in-app purchases, starting at $8.99 per month. Peptidely asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Peptidely against 5.0 for PepStack Pro. That said, the two scores are not equally well evidenced: PepStack Pro has 11 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Peptidely ships an update every 10 days, PepStack Pro every 8 days. The most recent releases landed on June 5, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Peptidely | PepStack Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/peptidely-the-peptide-bible/id6758997429/reviews) | [5.0 (11 ratings)](https://appshunter.io/ios/app/pepstack-pro/id6760684355/reviews) |
| Number of ratings | 2 | **11** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 8 days** |
| Monetization | **Free** | Freemium |
| Size | 32 MB | 39 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Jason Perkins](https://appshunter.io/developer/1320633957) | [MyFlowMD, LLC](https://appshunter.io/developer/1885185443) |

## What reviewers say

### Peptidely

[App page](https://appshunter.io/ios/app/peptidely-the-peptide-bible/id6758997429)

This comprehensive reference app provides detailed information on over 80 peptides, including research summaries, dosage context, and evidence grades. It features an AI assistant for personalized insights and a calculator for reconstitution ratios, aiding informed decisions about peptide therapy.

**Highlights:** 80+ cataloged peptides, Evidence grading and citations, AI research assistant, Access pathway explanations, Reconstitution calculator, Safety and quality information, Bookmark and note-taking

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Peptidely free?

Peptidely is free to download, with no in-app purchases.

### Is PepStack Pro free?

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

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

Peptidely and PepStack Pro are both rated 5.0 out of 5 on the App Store, from 2 and 11 ratings respectively.

### Do Peptidely or PepStack Pro have ads?

Neither Peptidely nor PepStack Pro shows ads.

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

Peptidely ships an update every 10 days, and PepStack Pro every 8 days. Most recently, Peptidely was updated on June 5, 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.*