# Peptide Tracker vs PepSeek

The clearest difference is update cadence: Peptide Tracker at every 2 days against PepSeek's every 5 weeks. Peptide Tracker also leads on ratings volume (5 vs 1). PepSeek's advantage is iOS requirement (15.0 vs 17.0). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Peptide Tracker sells 2 in-app purchases, starting at $7.99 per month and PepSeek sells 1 one-off in-app purchase. 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 Peptide Tracker against 5.0 for PepSeek. That said, the two scores are not equally well evidenced: Peptide Tracker has 5 ratings behind it against 1, so its average is the more settled of the two.

Peptide Tracker ships an update every 2 days, PepSeek every 5 weeks. The most recent releases landed on October 23, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Peptide Tracker | PepSeek |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/peptide-tracker-ai-peps/id6762054857/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/pepseek/id6762405078/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 19 MB | 6 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Pepzen LLC](https://appshunter.io/developer/1882114847) | [Risen Works LLC](https://appshunter.io/developer/1883794824) |

## What reviewers say

### Peptide Tracker

[App page](https://appshunter.io/ios/app/peptide-tracker-ai-peps/id6762054857)

Log research entries, reconstitution math, and personal schedules for peptide tracking. Features include scheduling reminders, site rotation tracking, and a research literature library. Offers AI insights and Apple Health integration for comprehensive self-tracking.

**Highlights:** Schedule reminders for research entries, Site rotation tracker with visual body map, Research literature library with 55+ peptides, AI insights for pattern analysis, Apple Health integration, Private and secure data storage

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $7.99 | per month |
| Annual Premium | $39.99 | per year |


### 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 Peptide Tracker free?

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

### Is PepSeek free?

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

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

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

### Do Peptide Tracker or PepSeek have ads?

Neither Peptide Tracker nor PepSeek shows ads.

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

Peptide Tracker ships an update every 2 days, and PepSeek every 5 weeks. Most recently, Peptide Tracker was updated on October 23, 2026 and PepSeek on October 6, 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.*