# Capazity vs TRTracker

The clearest difference is update cadence: Capazity at every 6 days against TRTracker's every 5 weeks. Capazity also leads on iOS requirement (16.4 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Capazity sells 1 in-app purchase, starting at $8.99 per month and TRTracker sells 3 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Capazity ships an update every 6 days, TRTracker every 5 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Capazity | TRTracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/trtracker-trt-companion/id6761400076/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 5 weeks |
| Monetization | — | Freemium |
| Size | 71 MB | 30 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Strength Results Sweden AB](https://appshunter.io/developer/1882940865) | [Stefan Goessens](https://appshunter.io/developer/1889384811) |

## What reviewers say

### Capazity

[App page](https://appshunter.io/ios/app/capazity/id6760164349)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Capazity Premium | $8.99 | per month |


### TRTracker

[App page](https://appshunter.io/ios/app/trtracker-trt-companion/id6761400076)

This app helps users track their TRT (Testosterone Replacement Therapy) by logging doses, injection sites, and lab results. It provides estimated testosterone curves, reminders for upcoming doses, and allows for AI-powered analysis of lab reports and personal logs. Users can also record daily check-ins and export reports for their clinicians.

**Highlights:** Log TRT doses and injection sites, View estimated testosterone curves, Import and analyze lab reports with AI, Record daily check-ins, AI-powered Q&A on personal logs, Export clinician reports

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $6.99 | per month |
| Pro Founding | $24.99 | per year |
| Pro Annual | $39.99 | per year |


## Frequently asked questions

### Is Capazity free?

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

### Is TRTracker free?

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

### Do Capazity or TRTracker have ads?

Neither Capazity nor TRTracker shows ads.

### Which is updated more often, Capazity or TRTracker?

Capazity ships an update every 6 days, and TRTracker every 5 weeks. Most recently, Capazity was updated on October 31, 2026 and TRTracker on October 31, 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.*