# UEi DTHA2 vs Airtemp Contractor Tools

UEi DTHA2 and Airtemp Contractor Tools both sit at 4.0 stars, but that hides the real split: 50% of UEi DTHA2's written reviews are positive against 0% of Airtemp Contractor Tools's. UEi DTHA2 also leads on iOS requirement (12.0 vs 14.0). Airtemp Contractor Tools's advantage is update cadence (every 2 months vs every 7 months). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.0 for UEi DTHA2 against 3.9 for Airtemp Contractor Tools. Both are backed by a comparable volume of ratings — 4 and 7 respectively. Written reviews are what separate them: 50% of UEi DTHA2's written reviews are positive against 0% of Airtemp Contractor Tools's.

UEi DTHA2 ships an update every 7 months, Airtemp Contractor Tools every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | UEi DTHA2 | Airtemp Contractor Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/uei-dtha2/id1452986649/reviews)** | [3.9 (7 ratings)](https://appshunter.io/ios/app/airtemp-contractor-tools/id1594702031/reviews) |
| Number of ratings | 4 | **7** |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 17 MB | 27 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kane Asia Inc.](https://appshunter.io/developer/1542732944) | [Advantech Consulting Group, Inc.](https://appshunter.io/developer/1594702033) |

## What reviewers say

### UEi DTHA2

[App page](https://appshunter.io/ios/app/uei-dtha2/id1452986649)

This app connects to a wireless adapter to measure airflow velocity, volumetric flow, temperature, and relative humidity. It allows adjustments for ducting and offers averaging options for readings.

**Highlights:** Measure airflow velocity, Measure volumetric flow, Measure temperature, Measure relative humidity, Adjust for ducting, Time or point averaging

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

**In-app purchases:** none


### Airtemp Contractor Tools

[App page](https://appshunter.io/ios/app/airtemp-contractor-tools/id1594702031)

This app provides contractors with essential field tools, including a system builder and warranty information. Access technical support conveniently within the application.

**Highlights:** Custom system builder, Warranty information access, Technical support contact, Field tools for contractors

**In-app purchases:** none


## Frequently asked questions

### Is UEi DTHA2 free?

UEi DTHA2 is free to download, with no in-app purchases.

### Is Airtemp Contractor Tools free?

Airtemp Contractor Tools is free to download, with no in-app purchases.

### Which has better reviews, UEi DTHA2 or Airtemp Contractor Tools?

UEi DTHA2 is rated higher. UEi DTHA2 averages 4.0 out of 5 from 4 ratings, while Airtemp Contractor Tools averages 3.9 from 7 ratings.

### Do UEi DTHA2 or Airtemp Contractor Tools have ads?

Neither UEi DTHA2 nor Airtemp Contractor Tools shows ads.

### Which is updated more often, UEi DTHA2 or Airtemp Contractor Tools?

UEi DTHA2 ships an update every 7 months, and Airtemp Contractor Tools every 2 months. Most recently, UEi DTHA2 was updated on October 24, 2026 and Airtemp Contractor Tools on October 24, 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.*