# ModTruss > Mobile tool for calculating ModTruss structural system load capacities. (iPhone/iPad app by Derek Gauger.) - Source: https://appshunter.io/ios/app/modtruss/id6754048518 (this page in markdown: same URL + `.md`) - Developer: [Derek Gauger](https://appshunter.io/developer/1846460318) - Category: Business - Price: Free - Rating: 5.00/5 from 9 App Store ratings · 3 written reviews indexed - Age rating: 4+ - Requires: iOS 13.0 · 24 MB - Languages: American English - Released: 2025-12-03 - Data updated: 2026-08-14 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/modtruss/id6754048518/reviews.md ## What is ModTruss? 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! ## Key features - Smart load calculator - Flexible unit switching (Imperial/Metric) - Supports multiple load types - Various configuration options - Offline functionality - Accurate, manufacturer-sourced data ## Recent user reviews (3 of 3) All indexed reviews: https://appshunter.io/ios/app/modtruss/id6754048518/reviews.md ### 5/5 — App design at its finest *2025-12-18* An excellent app that delivers exactly what it promise—nothing more, nothing less. It’s refreshingly simple and intuitive, with no clutter, no distractions, and no endless menu mazes. Every design choice serves a clear purpose, resulting in a clean, streamlined experience that lets you get straight to what matters. The fact that the developer collects no personal data is further proof that MODTRUSS is one of those rare companies genuinely worthy of trust. In this day and age, where privacy is often treated as an afterthought, this level of respect for users stands out—and matters. ### 5/5 — Handy! *2025-12-03* Tons of great information and easy to use. ### 5/5 — Load tables *2025-12-03* Great and easy way to access the ModTruss load tables. ## Frequently asked questions about ModTruss ### What is ModTruss Load Selector? ModTruss Load Selector is a mobile application designed for professionals to perform load calculations for ModTruss structural systems. It helps users determine the appropriate truss or extrusion for their specific project needs. ### Is ModTruss Load Selector free to use? Yes, ModTruss Load Selector is completely free. The app explicitly states 'Free - No subscriptions or in-app purchases' and is available at no cost. ### Does ModTruss Load Selector have ads? No, ModTruss Load Selector is ad-free. The app's description confirms it does not contain advertisements. ### Can I use ModTruss Load Selector offline? Yes, ModTruss Load Selector can be used offline after installation. This feature is highlighted as a key benefit, allowing for calculations without an internet connection. ### What devices is ModTruss Load Selector compatible with? ModTruss Load Selector is available for iPhone, iPad, and iPod devices. It is designed to run on Apple's mobile operating system. ### How accurate are the calculations in ModTruss Load Selector? The app states that all data is sourced from official manufacturer PDFs, ensuring accuracy. However, it also advises consulting with qualified structural engineers for critical applications as real-world factors can affect capacity. ### How often is ModTruss Load Selector updated? The latest version of ModTruss Load Selector is 1.0.5, which was last updated on January 12, 2026. This indicates a recent update and ongoing development. ### What is the age rating for ModTruss Load Selector? ModTruss Load Selector has an age rating of 4+. This suggests it is suitable for a wide audience, though its professional nature is targeted at adults. ## Version history (last 5 releases) ### 1.0.7 — 2026-08-10 New contact information ### 1.0.6 — 2026-04-07 The load calculations now have an option for the Column Load Type ### 1.0.5 — 2026-01-12 Notification system for updates ### 1.0.4 — 2025-12-16 Updates are now required when available ### 1.0.3 — 2025-12-06 Updating to use point loads and calculated point loads when necessary ## More apps by Derek Gauger - [Spotter - Nature Identifier](https://appshunter.io/ios/app/spotter-nature-identifier/id6773416237) All apps by Derek Gauger: https://appshunter.io/developer/1846460318 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-14.*