# XtrkR vs Felt

The clearest difference is update cadence: Felt at daily against XtrkR's every 5 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. XtrkR sells 10 in-app purchases, starting at $49.99 per year and Felt sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

XtrkR ships an update every 5 days, Felt daily. The most recent releases landed on October 6, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | XtrkR | Felt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/xtrkr-private-prep-and-sti/id6760680065/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Daily** |
| Monetization | Freemium | — |
| Size | 358 MB | 18 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [De Nihil LLC](https://appshunter.io/developer/1885692377) | [Ali3N Studios LLC](https://appshunter.io/developer/1881815512) |

## What reviewers say

### XtrkR

[App page](https://appshunter.io/ios/app/xtrkr-private-prep-and-sti/id6760680065)

This private sexual health tracker for men allows you to log encounters, track medication, monitor STI tests, and vaccinations. It offers insights into your health patterns and integrates with dating apps, all while prioritizing your privacy with on-device data storage.

**Highlights:** Private on-device data storage, Share profiles from dating apps, Log encounters and partner details, Track PrEP, DoxyPEP, and ART, Monitor STI tests and vaccinations, Health insights and pattern analysis, Siri shortcuts and widgets

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| XtrkR+ | $49.99 | per year |
| Coffee Tip | $1.99 | one-time |
| Elements Icon Collection | $2.99 | one-time |
| Flags Icon Collection | $2.99 | one-time |
| Pride Icon Collection | $2.99 | one-time |
| Leather Icon Collection | $2.99 | one-time |
| Support Tip | $9.99 | one-time |
| Year in Review | $9.99 | one-time |
| Superfan Tip | $49.99 | one-time |
| XtrkR Premium | $199.99 | one-time |


### Felt

[App page](https://appshunter.io/ios/app/felt-rejection-sensitivity/id6768108885)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Felt Pro | $9.99 | one-time |


## Frequently asked questions

### Is XtrkR free?

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

### Is Felt free?

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

### Do XtrkR or Felt have ads?

Neither XtrkR nor Felt shows ads.

### Which is updated more often, XtrkR or Felt?

XtrkR ships an update every 5 days, and Felt daily. Most recently, XtrkR was updated on October 6, 2026 and Felt on October 14, 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.*