# PepSeek vs Peptide Tracker

The clearest difference is in-app purchases: Peptide Tracker at none against PepSeek's 1. Peptide Tracker also leads on update cadence (every 10 days vs every 5 weeks) and ratings volume (4 vs 1). On price, rating, ads and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for PepSeek against 5.0 for Peptide Tracker. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

PepSeek ships an update every 5 weeks, Peptide Tracker every 10 days. The most recent releases landed on September 19, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | PepSeek | Peptide Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/pepseek/id6762405078/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/peptide-tracker-stack/id6768464947/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 6 MB | 42 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) | [Christian Pa'u](https://appshunter.io/developer/1896575567) |

## 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 |


### Peptide Tracker

[App page](https://appshunter.io/ios/app/peptide-tracker-stack/id6768464947)

Log peptide doses, track your progress, and analyze your body's response with this research log. Integrate with health data, manage supplies, and access educational summaries on various peptides. Share insights with a community of users.

**Highlights:** Log peptide doses and schedules, Track vial supply and reconstitution, Integrate with Apple Health data, Analyze bloodwork trends, Log training and nutrition, Access peptide reference library

**In-app purchases:** none


## Frequently asked questions

### Is PepSeek free?

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

### Is Peptide Tracker free?

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

### Which has better reviews, PepSeek or Peptide Tracker?

PepSeek and Peptide Tracker are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do PepSeek or Peptide Tracker have ads?

Neither PepSeek nor Peptide Tracker shows ads.

### Which is updated more often, PepSeek or Peptide Tracker?

PepSeek ships an update every 5 weeks, and Peptide Tracker every 10 days. Most recently, PepSeek was updated on September 19, 2026 and Peptide Tracker on September 29, 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.*