# Trak vs HappyAir

The clearest difference is update cadence: Trak at every 4 weeks against HappyAir's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Trak ships an update every 4 weeks, HappyAir every 6 months. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Trak | HappyAir |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 6 months |
| Size | 51 MB | 44 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [TRAK HEALTH SOLUTIONS S.L.](https://appshunter.io/developer/1676450137) | [Lovexair Fundación](https://appshunter.io/developer/1733561567) |

## What reviewers say

### Trak

[App page](https://appshunter.io/ios/app/trak/id6446175124)

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

**In-app purchases:** none


### HappyAir

[App page](https://appshunter.io/ios/app/happyair/id6478637171)

**In-app purchases:** none


## Frequently asked questions

### Is Trak free?

Trak is free to download, with no in-app purchases.

### Is HappyAir free?

HappyAir is free to download, with no in-app purchases.

### Do Trak or HappyAir have ads?

Neither Trak nor HappyAir shows ads.

### Which is updated more often, Trak or HappyAir?

Trak ships an update every 4 weeks, and HappyAir every 6 months. Most recently, Trak was updated on October 7, 2026 and HappyAir on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*