RTPro+ Image vs ModTruss
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RTPro+ Image
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This app only works for existing customer of Rental Tracker Pro (RTPro) software. Using this app, users can take a picture using iOS devices and send into program.
ModTruss
This app provides engineers and professionals with a mobile tool to quickly calculate load capacities for structural systems. It allows users to select product types, load patterns, and span lengths, accounting for various configuration options and providing deflection values. The tool supports both Imperial and Metric units for flexible use in international projects.
- Smart Load Calculator
- Flexible Units (Imperial/Metric)
- Supports various load types
- Multiple configuration options
- Offline functionality
- Accurate manufacturer data
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Professional Load Calculations for ModTruss Products ModTruss Load Selector is the essential mobile tool for engineers, riggers, event professionals, and contractors working with ModTruss structural systems. Quickly calculate load capacities and find the right truss or extrusion for your project - all from your phone or tablet. KEY FEATURES Smart Load Calculator • Calculate maximum loads based on your specific configuration • Select product type, load pattern, and span length • Account for splice plates, tubes, and bars • Consider bending orientations (symmetric/non-symmetric) • View deflection values for precise engineering Flexible Units • Switch between Standard (Imperial) and Metric units • Standard: feet, pounds, inches • Metric: meters, kilograms, millimeters • Perfect for international projects LOAD TYPES SUPPORTED - Uniformly Distributed Load - Center Point Load - Third Point Load - Quarter Point Load - Fifth Point Load CONFIGURATION OPTIONS - No Splice (base configuration) - With Splice Plates - With Splice Tubes - With Splice Bars - Bending about Non-Symmetric Axis - Bending about Symmetric Axis WHY MODTRUSS LOAD SELECTOR? - Accurate - All data from official manufacturer PDFs - Fast - Get results in seconds, not minutes - Offline - No internet required after installation - Professional - Engineering-grade calculations - Easy - Intuitive step-by-step interface - Free - No subscriptions or in-app purchases SAFETY NOTE This app provides reference data for ModTruss products. Always consult with qualified structural engineers for critical applications. Follow all manufacturer guidelines and local building codes. Load calculations assume ideal conditions - real-world factors may reduce capacity. ABOUT MODTRUSS ModTruss manufactures high-quality aluminum and steel structural systems for events, exhibits, retail, and architectural applications. Their products are trusted worldwide for reliability and engineering excellence. Download ModTruss Load Selector today and make confident structural decisions faster!
Screenshots
Verdict
The clearest difference is update cadence: RTPro+ Image at weekly against ModTruss's every 3 weeks. 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.
RTPro+ Image ships an update weekly, ModTruss every 3 weeks. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.
| Parameter | RTPro+ Image | ModTruss |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (9 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 9 — better |
| Update frequency | Weekly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Rental Tracker, Inc. | Derek Gauger |
In-app purchases
RTPro+ Image
No in-app purchases
ModTruss
No in-app purchases
Questions
Is RTPro+ Image free?
Is ModTruss free?
Do RTPro+ Image or ModTruss have ads?
Which is updated more often, RTPro+ Image or ModTruss?
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