# PepSeek vs Peptidia

The clearest difference is monetization model: PepSeek at free with in-app purchases against Peptidia's subscription. Peptidia's advantage is update cadence (every 2 weeks vs every 5 weeks). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. PepSeek sells 1 one-off in-app purchase and Peptidia sells 3 in-app purchases, starting at $9.99 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 PepSeek against 5.0 for Peptidia. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

PepSeek ships an update every 5 weeks, Peptidia every 2 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PepSeek | Peptidia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/pepseek/id6762405078/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/peptidia-your-peptide-lab/id6768164085/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 6 MB | 64 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Risen Works LLC](https://appshunter.io/developer/1883794824) | [DR DAVE INC.](https://appshunter.io/developer/1896545825) |

## What reviewers say

### 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 |


### Peptidia

[App page](https://appshunter.io/ios/app/peptidia-your-peptide-lab/id6768164085)

Track peptide usage privately with a personal lab and access a research-backed encyclopedia. Organize records, monitor observations, and explore scientific evidence with an AI research assistant. Features include health data integration and vial management.

**Highlights:** Private peptide tracking, Source-backed encyclopedia, Personalized research library, AI research assistant, Health data integration, Vial management and reminders

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peptidia Pro | $9.99 | per month |
| Peptidia Monthly | $9.99 | per month |
| Peptidia Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is PepSeek free?

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

### Is Peptidia free?

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

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

PepSeek and Peptidia are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do PepSeek or Peptidia have ads?

Neither PepSeek nor Peptidia shows ads.

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

PepSeek ships an update every 5 weeks, and Peptidia every 2 weeks. Most recently, PepSeek was updated on November 5, 2026 and Peptidia on October 31, 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.*