# HTT vs UPM Safety

The clearest difference is update cadence: UPM Safety at every 2 months against HTT's every 12 months. HTT's advantage is iOS requirement (10.0 vs 13.0). 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.

HTT ships an update every 12 months, UPM Safety every 2 months. The most recent releases landed on October 3, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | HTT | UPM Safety |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Size | 72 MB | 51 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aware Applications Oy](https://appshunter.io/developer/1431822938) | [UPM-Kymmene Corporation](https://appshunter.io/developer/849611237) |

## What reviewers say

### HTT

[App page](https://appshunter.io/ios/app/htt/id1465869920)

**Features:** macOS Compatibility

**In-app purchases:** none


### UPM Safety

[App page](https://appshunter.io/ios/app/upm-safety/id1501507187)

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

**In-app purchases:** none


## Frequently asked questions

### Is HTT free?

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

### Is UPM Safety free?

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

### Do HTT or UPM Safety have ads?

Neither HTT nor UPM Safety shows ads.

### Which is updated more often, HTT or UPM Safety?

HTT ships an update every 12 months, and UPM Safety every 2 months. Most recently, HTT was updated on October 3, 2026 and UPM Safety on September 27, 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.*