# TEC Auto Test vs SMART Air Hood

The clearest difference is rating: SMART Air Hood at 5.0 against TEC Auto Test's 4.5. TEC Auto Test's advantage is iOS requirement (12.0 vs 14.0). On price, ratings volume, update cadence 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.

SMART Air Hood holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 4 and 3 respectively.

TEC Auto Test ships an update every 3 months, SMART Air Hood every 2 months. The most recent releases landed on October 29, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | TEC Auto Test | SMART Air Hood |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (4 ratings)](https://appshunter.io/ios/app/tec-auto-test/id1123783405/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/smart-air-hood/id1579386095/reviews)** |
| Number of ratings | **4** | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 18 MB | 4 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Energy Conservatory](https://appshunter.io/developer/504703668) | [Dwyer Instruments, Inc.](https://appshunter.io/developer/496680286) |

## What reviewers say

### TEC Auto Test

[App page](https://appshunter.io/ios/app/tec-auto-test/id1123783405)

This app automates building envelope and duct system airtightness testing by wirelessly connecting to specific pressure gauges. It collects test data, calculates results, and generates PDF reports, with features like wind assistance for improved accuracy.

**Highlights:** Automated building envelope and duct system testing, Wireless connection to DG-1000 and DG-700 gauges, PDF report generation and export, Geotagging and time stamping of projects, Wind Assistant for improved test accuracy, Support for multiple airtightness test standards

**In-app purchases:** none


### SMART Air Hood

[App page](https://appshunter.io/ios/app/smart-air-hood/id1579386095)

This app transforms your mobile device into a remote control and measurement tool for balancing commercial air systems. It allows for easy logging of readings, viewing measurements, and exporting data into reports, streamlining the process for HVAC professionals.

**Highlights:** Remote control functionality, Measurement logging, View real-time measurements, Export data reports, Connects with SMART Air Hood instrument

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TEC Auto Test free?

TEC Auto Test is free to download, with no in-app purchases.

### Is SMART Air Hood free?

SMART Air Hood is free to download, with no in-app purchases.

### Which has better reviews, TEC Auto Test or SMART Air Hood?

SMART Air Hood is rated higher. TEC Auto Test averages 4.5 out of 5 from 4 ratings, while SMART Air Hood averages 5.0 from 3 ratings.

### Do TEC Auto Test or SMART Air Hood have ads?

Neither TEC Auto Test nor SMART Air Hood shows ads.

### Which is updated more often, TEC Auto Test or SMART Air Hood?

TEC Auto Test ships an update every 3 months, and SMART Air Hood every 2 months. Most recently, TEC Auto Test was updated on October 29, 2026 and SMART Air Hood on October 12, 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.*