# Metabolic Research Lab vs TRT Tracker

The clearest difference is price: Metabolic Research Lab at Free against TRT Tracker's $4.99. Metabolic Research Lab also leads on iOS requirement (14.3 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

Metabolic Research Lab is free to download; TRT Tracker costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Metabolic Research Lab | TRT Tracker |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/trt-tracker/id6504778597/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | — | Paid |
| Size | 92 MB | 2 MB |
| Requires iOS | **14.3** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Metaflow](https://appshunter.io/developer/1030318472) | [Dewayne Defoor](https://appshunter.io/developer/1746563265) |

## What reviewers say

### Metabolic Research Lab

[App page](https://appshunter.io/ios/app/metabolic-research-lab/id6445818072)

**In-app purchases:** none


### TRT Tracker

[App page](https://appshunter.io/ios/app/trt-tracker/id6504778597)

Manage and monitor your Testosterone Replacement Therapy (TRT) with this app. Log injections, track blood test results, and visualize your testosterone levels over time with clear charts.

**Highlights:** Log TRT injections, Track blood test results, Visualize testosterone levels, Monitor TRT regimen, Intuitive charting

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Metabolic Research Lab free?

Metabolic Research Lab is free to download, with no in-app purchases.

### Is TRT Tracker free?

TRT Tracker costs $4.99, with no in-app purchases.

### Do Metabolic Research Lab or TRT Tracker have ads?

Neither Metabolic Research Lab nor TRT Tracker shows ads.

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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.*