# HT vs Scanner3D

The clearest difference is update cadence: Scanner3D at every 2 weeks against HT's every 3 months. HT's advantage is iOS requirement (13.0 vs 17.5). 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.

HT ships an update every 3 months, Scanner3D every 2 weeks. The most recent releases landed on September 23, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | HT | Scanner3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ht-203h/id6504402234/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 6 MB | 2 MB |
| Requires iOS | **13.0** | 17.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Software Shop](https://appshunter.io/developer/1288503758) | [Danqing Zhang](https://appshunter.io/developer/1888815834) |

## What reviewers say

### HT

[App page](https://appshunter.io/ios/app/ht-203h/id6504402234)

This application enables thermal imaging and temperature measurement. It allows users to adjust emissivity and set measurement distances for precise thermal analysis.

**Highlights:** Thermal imaging, Temperature measurement, Emissivity adjustment, Measurement distance setting

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

**In-app purchases:** none


### Scanner3D

[App page](https://appshunter.io/ios/app/scanner3d-pathon-robotics/id6762235906)

**In-app purchases:** none


## Frequently asked questions

### Is HT free?

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

### Is Scanner3D free?

Scanner3D is free to download, with no in-app purchases.

### Do HT or Scanner3D have ads?

Neither HT nor Scanner3D shows ads.

### Which is updated more often, HT or Scanner3D?

HT ships an update every 3 months, and Scanner3D every 2 weeks. Most recently, HT was updated on September 23, 2026 and Scanner3D on September 8, 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.*