UEi DTHA2 vs EWC Controls, LLC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UEi DTHA2
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.
- Measure airflow velocity
- Measure volumetric flow
- Measure temperature
- Measure relative humidity
- Adjust for ducting
- Time or point averaging
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The companion app for UEi's DTHA2 wireless adapter. Enable Bluetooth on your mobile device, launch the app, connect DTHA2 and measure: a) Airflow velocity (ft/min, mph, m/s, or km/h) b) Volumetric flow (CFM, m^3/h, or L/s) c) Temperature (F or C) d) Relative Humidity The app allows you to adjust for Round or Rectangular Ducting (in or cm) as well as take Averages over Time or Average via Point readings.
EWC Controls, LLC
This app helps EWC contractors determine their zoning system requirements. It features a Bypass Calculator to recommend damper models and sizes, and a Control Panel Finder to suggest compatible control panels. Discover products and features to assist in setting up your zoning system.
- Bypass Damper Calculator
- Control Panel Finder
- Product Discovery
- Zoning System Setup Assistance
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Built for EWC contractors, use our new mobile app to determine your EWC zoning system needs. Use the Bypass Calculator to find out what model and size Bypass Damper you should use with your system based on your input. Use the Control Panel Finder to find out what model Control Panels you can use based on what you need. Discover products and features that will help you decide what parts you need to set up your zoning system!
Screenshots
Verdict
The clearest difference is review sentiment: EWC Controls, LLC at 100% against UEi DTHA2's 50%. EWC Controls, LLC also leads on rating (5.0 vs 4.0) and update cadence (every 9 days vs every 7 months). UEi DTHA2's advantage is iOS requirement (12.0 vs 16.4). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
EWC Controls, LLC holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 5 respectively. Written reviews point the same way: 50% of UEi DTHA2's written reviews are positive against 100% of EWC Controls, LLC's.
UEi DTHA2 ships an update every 7 months, EWC Controls, LLC every 9 days. The most recent releases landed on July 30, 2026 and September 14, 2026 respectively.
| Parameter | UEi DTHA2 | EWC Controls, LLC |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 4 | 5 — better |
| Update frequency | Every 7 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 17 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Kane Asia Inc. | EWC Controls, Inc. |
Customer experience
UEi DTHA2
EWC Controls, LLC
In-app purchases
UEi DTHA2
No in-app purchases
EWC Controls, LLC
No in-app purchases
