# StackTrackr vs TRT Vault Testosterone Tracker

The clearest difference is iOS requirement: TRT Vault Testosterone Tracker at 15.1 against StackTrackr's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. StackTrackr sells 2 in-app purchases, starting at $4.99 per month and TRT Vault Testosterone Tracker sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

StackTrackr ships an update weekly, TRT Vault Testosterone Tracker every 11 days. The most recent releases landed on September 29, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | StackTrackr | TRT Vault Testosterone Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/stacktrackr-peptide-tracker/id6759632056/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 11 days |
| Monetization | Freemium | — |
| Size | 59 MB | 44 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [PeakHaus Fitness LLC](https://appshunter.io/developer/1879898877) | [Jacob Teague](https://appshunter.io/developer/1891391911) |

## What reviewers say

### StackTrackr

[App page](https://appshunter.io/ios/app/stacktrackr-peptide-tracker/id6759632056)

This app helps manage hormone therapy, peptide protocols, and research compounds. It calculates doses, tracks injections, manages vial inventory, and builds custom schedules. Log doses quickly from your watch or widgets, and access a database of verified compounds.

**Highlights:** Reconstitution calculator, Dose tracking and logging, Multi-compound protocol management, Vial inventory management, Streak tracking, Verified compound database, Apple Health integration

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro — Monthly | $4.99 | per month |
| Pro — 6 Months | $24.99 | per 6 months |


### TRT Vault Testosterone Tracker

[App page](https://appshunter.io/ios/app/trt-vault-testosterone-tracker/id6762535061)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TRT Vault Pro | $9.99 | per month |
| TRT Vault Pro Annual | $69.99 | per year |


## Frequently asked questions

### Is StackTrackr free?

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

### Is TRT Vault Testosterone Tracker free?

TRT Vault Testosterone Tracker is free to download, with in-app purchases available.

### Do StackTrackr or TRT Vault Testosterone Tracker have ads?

Neither StackTrackr nor TRT Vault Testosterone Tracker shows ads.

### Which is updated more often, StackTrackr or TRT Vault Testosterone Tracker?

StackTrackr ships an update weekly, and TRT Vault Testosterone Tracker every 11 days. Most recently, StackTrackr was updated on September 29, 2026 and TRT Vault Testosterone Tracker 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.*