iTruss vs Sensor3 TPSR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iTruss
Calculate structural loads, spans, and truss requirements for construction projects directly from your iPhone. This tool simplifies complex engineering calculations for field use.
- Load calculation
- Span determination
- Truss analysis
- Field use optimization
- Engineering calculations
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Determine load, span or truss needed for your job in the field with this exciting new iPhone® application from XSF. EULA link https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Sensor3 TPSR
Configure dimmers in your dimming system wirelessly. Easily set up dimmers by searching for them or scanning QR codes on outlets. Ideal for quickly identifying, testing, and switching between dimmed and switched modes.
- Wireless dimmer configuration
- Network dimmer search
- QR code scanning for outlets
- Rapid outlet reconfiguration
- Testing dimmed and switched modes
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The ETC Sensor3 TPSR application allows you to configure dimmers in your Sensor3 dimming system via a wireless network. Dimmers can be configured by searching for a dimmer, or by scanning a QR code affixed to your distro or outlet for rapid reconfiguration of an outlet. This is particularly useful with ETC’s Sensor3 ThruPower modules, allowing rapid identification, testing and configuration of outlets between dimmed and switched modes.
Screenshots
Verdict
The clearest difference is update cadence: iTruss at every 23 months against Sensor3 TPSR's every 65 months. iTruss also leads on iOS requirement (11.0 vs 13.1). On price, in-app purchases, monetization model 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.
iTruss ships an update every 23 months, Sensor3 TPSR every 65 months. The most recent releases landed on June 10, 2026 and September 19, 2026 respectively.
| Parameter | iTruss | Sensor3 TPSR |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (15 ratings) — better | — |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 15 — better | — |
| Update frequency | Every 23 months — better | Every 65 months |
| Ads | — | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 13.1 |
| Further details — not scored | ||
| Size | 70 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Xtreme Structures & Fabrication LLC | Electronic Theatre Controls, Inc. |
Customer experience
iTruss
Sensor3 TPSR
In-app purchases
iTruss
No in-app purchases
Sensor3 TPSR
No in-app purchases








