# ThePeptideList vs PepSeek

The clearest difference is rating: PepSeek at 5.0 against ThePeptideList's 3.7. PepSeek also leads on iOS requirement (15.0 vs 17.0). ThePeptideList's advantage is in-app purchases (none vs 1) and update cadence (daily vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. PepSeek sells 1 one-off in-app purchase. ThePeptideList asks for nothing beyond the download.

PepSeek holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

ThePeptideList ships an update daily, PepSeek every 5 weeks. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ThePeptideList | PepSeek |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/thepeptidelist/id6757656041/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pepseek/id6762405078/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 6 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Andrei Mellas](https://appshunter.io/developer/1868100921) | [Risen Works LLC](https://appshunter.io/developer/1883794824) |

## 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


### PepSeek

[App page](https://appshunter.io/ios/app/pepseek/id6762405078)

This app is a comprehensive search engine for peptide research, offering detailed profiles on over 200 peptides and pre-built research stacks. It includes an AI assistant for instant answers and a reconstitution calculator for accurate dosing.

**Highlights:** Search 200+ peptides, 75+ pre-built research stacks, PepBot AI assistant, Reconstitution calculator, Save favorites, Preferred supplier list

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PepSeek Full Access | $1.99 | one-time |


## Frequently asked questions

### Is ThePeptideList free?

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

### Is PepSeek free?

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

### Which has better reviews, ThePeptideList or PepSeek?

PepSeek is rated higher. ThePeptideList averages 3.7 out of 5 from 3 ratings, while PepSeek averages 5.0 from 1 ratings.

### Do ThePeptideList or PepSeek have ads?

Neither ThePeptideList nor PepSeek shows ads.

### Which is updated more often, ThePeptideList or PepSeek?

ThePeptideList ships an update daily, and PepSeek every 5 weeks. Most recently, ThePeptideList was updated on October 31, 2026 and PepSeek on November 5, 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.*