# Peptide Tracker vs Peptide Stack Tracker

The clearest difference is update cadence: Peptide Tracker at every 2 days against Peptide Stack Tracker's every 11 days. Peptide Tracker also leads on ratings volume (5 vs 1) and iOS requirement (17.0 vs 26.2). 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 Peptide Stack Tracker sells 2 in-app purchases, starting at $5.99 per 7 days. 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 Peptide Stack Tracker. 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, Peptide Stack Tracker every 11 days. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Peptide Tracker | Peptide Stack Tracker |
| --- | --- | --- |
| 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/peptide-stack-tracker/id6764719435/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 11 days |
| Monetization | Freemium | Freemium |
| Size | 19 MB | 12 MB |
| Requires iOS | **17.0** | 26.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Pepzen LLC](https://appshunter.io/developer/1882114847) | [PATRYK KOWALEWSKI](https://appshunter.io/developer/1871044842) |

## 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 |


### Peptide Stack Tracker

[App page](https://appshunter.io/ios/app/peptide-stack-tracker/id6764719435)

This app helps adults meticulously track GLP-1 and peptide protocols. Log doses, manage injection sites, monitor vial inventory, and record wellness check-ins. Stay organized without manual logs or guesswork.

**Highlights:** Log injections with details, Create custom reminder schedules, Track multiple compounds, Manage vial inventory, Monitor injection site rotation, Record weight and wellness metrics, View bio-analytics and trend charts

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peptide Pro Monthly | $5.99 | per 7 days |
| Peptide Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is Peptide Tracker free?

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

### Is Peptide Stack Tracker free?

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

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

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

### Do Peptide Tracker or Peptide Stack Tracker have ads?

Neither Peptide Tracker nor Peptide Stack Tracker shows ads.

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

Peptide Tracker ships an update every 2 days, and Peptide Stack Tracker every 11 days. Most recently, Peptide Tracker was updated on October 23, 2026 and Peptide Stack Tracker on October 7, 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.*