# ThePeptideList vs PepStack Pro

The clearest difference is in-app purchases: ThePeptideList at none against PepStack Pro's 2. ThePeptideList also leads on update cadence (daily vs every 8 days). PepStack Pro's advantage is ratings volume (11 vs 2) and iOS requirement (15.1 vs 17.0). On price, rating, review sentiment and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for ThePeptideList 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.

ThePeptideList ships an update daily, PepStack Pro every 8 days. The most recent releases landed on July 9, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | ThePeptideList | PepStack Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/thepeptidelist/id6757656041/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 | **Daily** | Every 8 days |
| Monetization | **Free** | Freemium |
| Size | 2 MB | 39 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Andrei Mellas](https://appshunter.io/developer/1868100921) | [MyFlowMD, LLC](https://appshunter.io/developer/1885185443) |

## What reviewers say

### ThePeptideList

[App page](https://appshunter.io/ios/app/thepeptidelist/id6757656041)

This app serves as an independent directory for peptide research, offering verified provider listings and comprehensive profiles of various peptides. It includes educational articles and allows users to save favorites for offline access.

**Highlights:** Verified peptide provider listings, Search and filter providers by location/shipping, Detailed peptide profiles with research summaries, Educational articles on peptide basics, Save favorite providers and peptides, Offline access to saved content

**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 ThePeptideList free?

ThePeptideList 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, ThePeptideList or PepStack Pro?

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

### Do ThePeptideList or PepStack Pro have ads?

Neither ThePeptideList nor PepStack Pro shows ads.

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

ThePeptideList ships an update daily, and PepStack Pro every 8 days. Most recently, ThePeptideList was updated on July 9, 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.*