UEi DTHA2 vs Symphony Contractor Connect
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
Read full descriptionHide full description
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.
Symphony Contractor Connect
Access WaterFurnace ground source heat pump data and troubleshooting tools. This application enhances the service technician's experience in assessing system performance and diagnosing component issues. It replaces the older AID Tool with an improved and more efficient interface.
- Ground source heat pump data access
- System performance assessment
- Component troubleshooting
- Technical literature lookup
- Troubleshooting video library
- Replaces AID Tool
Read full descriptionHide full description
The Symphony Contractor Connect (SCC) brings WaterFurnace ground source heat pump data and troubleshooting to your fingertips. Symphony Contractor Connect with the use of the Aurora Contractor Connect (ACC) replaces the current AID Tool. This app provides an enhanced and more efficient experience for the service technician in assessing system performance and component troubleshooting. • AID Tool • Technical Literature lookup • Troubleshooting video
Screenshots
Verdict
The clearest difference is rating: Symphony Contractor Connect at 4.3 against UEi DTHA2's 4.0. Symphony Contractor Connect also leads on update cadence (every 6 weeks vs every 7 months). UEi DTHA2's advantage is iOS requirement (12.0 vs 15.0). 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.
Symphony Contractor Connect holds the better App Store score, 4.3 against 4.0. Both are backed by a comparable volume of ratings — 4 and 3 respectively.
UEi DTHA2 ships an update every 7 months, Symphony Contractor Connect every 6 weeks. Both last shipped on October 24, 2026.
| Parameter | UEi DTHA2 | Symphony Contractor Connect |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) | 4.3 (3 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 4 — better | 3 |
| Update frequency | Every 7 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 17 MB | 64 MB |
| Age rating | 4+ | 4+ |
| Developer | Kane Asia Inc. | WaterFurnace International |
Customer experience
UEi DTHA2
Symphony Contractor Connect
In-app purchases
UEi DTHA2
No in-app purchases
Symphony Contractor Connect
No in-app purchases
Questions
Is UEi DTHA2 free?
Is Symphony Contractor Connect free?
Which has better reviews, UEi DTHA2 or Symphony Contractor Connect?
Do UEi DTHA2 or Symphony Contractor Connect have ads?
Which is updated more often, UEi DTHA2 or Symphony Contractor Connect?
Other comparisons
