# TRT Vault Testosterone Tracker vs Protocol

The clearest difference is update cadence: TRT Vault Testosterone Tracker at every 11 days against Protocol's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. TRT Vault Testosterone Tracker sells 2 in-app purchases, starting at $9.99 per month and Protocol sells 2 in-app purchases, starting at $39.99 per year. Whichever you choose, the download price is not the number that matters.

TRT Vault Testosterone Tracker ships an update every 11 days, Protocol every 2 months. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | TRT Vault Testosterone Tracker | Protocol |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 months |
| Size | 44 MB | 41 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Jacob Teague](https://appshunter.io/developer/1891391911) | [Kevin Marsh](https://appshunter.io/developer/1273893146) |

## What reviewers say

### 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 |


### Protocol

[App page](https://appshunter.io/ios/app/protocol-dose-and-lab-tracker/id6800878308)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual | $39.99 | per year |
| Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is TRT Vault Testosterone Tracker free?

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

### Is Protocol free?

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

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

Neither TRT Vault Testosterone Tracker nor Protocol shows ads.

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

TRT Vault Testosterone Tracker ships an update every 11 days, and Protocol every 2 months. Most recently, TRT Vault Testosterone Tracker was updated on October 12, 2026 and Protocol on October 15, 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.*