# StackTrax vs Peptidemaxx

The clearest difference is ads: StackTrax at none against Peptidemaxx's shown. StackTrax also leads on update cadence (daily vs every 2 weeks) and iOS requirement (16.0 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. StackTrax sells 2 in-app purchases, starting at $4.99 per month and Peptidemaxx sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

StackTrax ships an update daily, Peptidemaxx every 2 weeks. The most recent releases landed on September 18, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | StackTrax | Peptidemaxx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/stacktrax-peptide-tracker/id6769495613/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 2 weeks |
| Monetization | Freemium | — |
| Size | 32 MB | 56 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Isaiah Deutsch](https://appshunter.io/developer/1896663496) | [Peptidemaxx LLC](https://appshunter.io/developer/6786915565) |

## What reviewers say

### StackTrax

[App page](https://appshunter.io/ios/app/stacktrax-peptide-tracker/id6769495613)

Track peptide protocols and GLP-1 titrations with detailed logging, reminders, and injection site rotation. Access a research library and integrate with Oura for comprehensive health insights. Includes nutrition tracking and an AI protocol importer.

**Highlights:** Peptide and GLP-1 tracking, Dose logging and reminders, Injection site rotation, Research library with compound guides, Oura integration, AI Protocol Importer, Nutrition tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Pro Yearly | $49.99 | per year |


### Peptidemaxx

[App page](https://appshunter.io/ios/app/peptidemaxx-peptide-tracker/id6786915563)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $6.99 | per month |
| Annual Subscription | $39.99 | per year |


## Frequently asked questions

### Is StackTrax free?

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

### Is Peptidemaxx free?

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

### Do StackTrax or Peptidemaxx have ads?

Peptidemaxx shows ads; StackTrax does not.

### Which is updated more often, StackTrax or Peptidemaxx?

StackTrax ships an update daily, and Peptidemaxx every 2 weeks. Most recently, StackTrax was updated on September 18, 2026 and Peptidemaxx on September 26, 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.*