# Peptide Tracker vs PepCheck AI

The clearest difference is update cadence: Peptide Tracker at every 5 days against PepCheck AI's every 2 weeks. Peptide Tracker also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Peptide Tracker sells 2 in-app purchases, starting at $9.99 per month and PepCheck AI sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Peptide Tracker ships an update every 5 days, PepCheck AI every 2 weeks. The most recent releases landed on October 1, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Peptide Tracker | PepCheck AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (43 ratings)](https://appshunter.io/ios/app/peptide-tracker-frontload/id6763661364/reviews)** | — |
| Number of ratings | **43** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Freemium | — |
| Size | 51 MB | 49 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [STACKEDDD LLC](https://appshunter.io/developer/1895423538) | [Bram Schoenmakers](https://appshunter.io/developer/6773370156) |

## What reviewers say

### Peptide Tracker

[App page](https://appshunter.io/ios/app/peptide-tracker-frontload/id6763661364)

Track peptide and TRT/HRT protocols with dose calculators, blood-level charts, and injection reminders. Features an AI coach that analyzes your labs and health data for personalized insights. Your health data remains private on your device.

**Highlights:** Dose, blend, and half-life calculators, Blood-level PK charts, Injection logging with site rotation, Full inventory tracking, Phased protocols and titration schedules, Lab result tracking and trend charts, AI coach for health data analysis

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stackeddd Pro | $9.99 | per month |
| Stackeddd Pro | $59.99 | per year |


### PepCheck AI

[App page](https://appshunter.io/ios/app/pepcheck-ai/id6773370154)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PepCheck Pro Monthly | $9.99 | per month |
| PepCheck AI Pro Yearly | $59.99 | per year |


## Frequently asked questions

### Is Peptide Tracker free?

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

### Is PepCheck AI free?

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

### Do Peptide Tracker or PepCheck AI have ads?

Neither Peptide Tracker nor PepCheck AI shows ads.

### Which is updated more often, Peptide Tracker or PepCheck AI?

Peptide Tracker ships an update every 5 days, and PepCheck AI every 2 weeks. Most recently, Peptide Tracker was updated on October 1, 2026 and PepCheck AI on September 20, 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.*