Comparison

iTruss vs Sensor3 TPSR

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

iTruss

Calculate structural loads, spans, and truss requirements for construction projects directly from your iPhone. This tool simplifies complex engineering calculations for field use.

Highlights
  • Load calculation
  • Span determination
  • Truss analysis
  • Field use optimization
  • Engineering calculations
Features
Read full description

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/

About

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.

Highlights
  • Wireless dimmer configuration
  • Network dimmer search
  • QR code scanning for outlets
  • Rapid outlet reconfiguration
  • Testing dimmed and switched modes
Features
Read full description

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

iTruss4 screens
Sensor3 TPSR3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
iTruss versus Sensor3 TPSR: the parameters behind the verdict, then further details
ParameteriTrussSensor3 TPSR
PriceFreeFree
Rating4.1 (15 ratings) — better—
Positive reviews—100.0% of reviews
Number of ratings15 — better—
Update frequencyEvery 23 months — betterEvery 65 months
Ads—No
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.0 — better13.1
Further details — not scored
Size70 MB2 MB
Age rating4+4+
DeveloperXtreme Structures & Fabrication LLCElectronic Theatre Controls, Inc.

Customer experience

iTruss

All ratings15 ratings
Positive73.3%
Neutral6.7%
Negative20.0%

Sensor3 TPSR

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

iTruss

No in-app purchases

None

Sensor3 TPSR

No in-app purchases

Questions

Is iTruss free?
iTruss is free to download, with no in-app purchases.
Is Sensor3 TPSR free?
Sensor3 TPSR is free to download, with no in-app purchases.
Which is updated more often, iTruss or Sensor3 TPSR?
iTruss ships an update every 23 months, and Sensor3 TPSR every 65 months. Most recently, iTruss was updated on June 10, 2026 and Sensor3 TPSR on September 19, 2026.

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