ExView DT500 vs Composer Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ExView DT500
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DT500 App You’ve already chosen the DT500, now download the app and realize its full potential. Coupling the DT500 with your Apple iOS mobile device can significantly cut down on your workflow. The DT500 will wirelessly send and label your measurements on images taken from your iOS device. Seamlessly plan and document distances, areas and volumes automatically to your captured image. Use the app’s intuitive controls to manipulate the measurements into a blueprint or as a visual reference. • Wirelessly send laser measurements to your iOS device with Bluetooth • Create onsite references and blueprints • Save images to your iOS device or share it with others through Email • Control the DT500’s calculation functions with your iOS device
Composer Mobile
Easily set up WiFi connectivity for your TouchCombo thermostat. Once connected, remotely control your device and manage its settings from your smartphone.
- WiFi setup for TouchCombo thermostats
- Remote device control
- Thermostat settings management
- Smartphone integration
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Telkonet's Composer Mobile app is the tool you need to set up WiFi connectivity on your new TouchCombo thermostat, and then use it to remotely control your device.
Screenshots
Verdict
The clearest difference is update cadence: Composer Mobile at every 4 weeks against ExView DT500's every 43 months. ExView DT500's advantage is iOS requirement (8.0 vs 11.0). On price, ads, in-app purchases and device support 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.
ExView DT500 ships an update every 43 months, Composer Mobile every 4 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.
| Parameter | ExView DT500 | Composer Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.6 (13 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 13 — better |
| Update frequency | Every 43 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 21 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | Extech Instruments | Telkonet, Inc |
In-app purchases
ExView DT500
No in-app purchases
Composer Mobile
No in-app purchases
Questions
Is ExView DT500 free?
Is Composer Mobile free?
Do ExView DT500 or Composer Mobile have ads?
Which is updated more often, ExView DT500 or Composer Mobile?
Other comparisons
