# BendMarks: Conduit Bending — EMT Offset, Saddle, Box Fill > Electrical conduit bending and code calculation tool with detailed explanations. (iPhone/iPad app by BigBalli Consulting llc.) - Source: https://appshunter.io/ios/app/bendmarks-conduit-bending/id6762065884 (this page in markdown: same URL + `.md`) - Developer: [BigBalli Consulting llc](https://appshunter.io/developer/363765325) - Category: Utilities, Productivity - Price: $14.99 - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 18.0 · 1 MB - Languages: American English - Released: 2026-04-14 - Data updated: 2026-08-31 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/bendmarks-conduit-bending/id6762065884/reviews.md ## What is BendMarks? The conduit and code calculator that shows its work. Built for electricians, apprentices, and journeymen who want to know why the math works — not just the answer. Every bend, every fill, every drop expands into the formula and a labeled diagram. — FEATURES — • Conduit Bending — offset, rolling offset, 3-point saddle, 4-point saddle, 90° stub-up, and kick bends with labeled diagrams and exact mark distances • Voltage Drop — single-phase and three-phase, copper or aluminum, with pass/fail vs. NEC 3% and 5% targets • Conduit Fill — NEC Chapter 9 percentages with cross-section visualization for any wire mix • Box Fill — NEC 314.16(B) calculations for conductors, devices, grounds, and clamps • Show Your Work — every result expands the formula with substituted values and a plain-English explanation, so you learn the math as you use it • Glove-Friendly — oversized tap targets, fraction-native input, sunlight high-contrast mode for the field • Recents — last 20 calculations one tap away • NEC Code Cycles — switch between 2017, 2020, and 2023 • Fully Offline — zero network calls, zero analytics, zero tracking. Your jobs stay on your phone. • One-Time Purchase — $14.99 once. No ads. No subscription. No upgrades you have to buy later. Built by people who believe an apprentice should never be handed a black box. Hand them BendMarks instead — it teaches every step. Sources: Benfield's Conduit Bending and Fabrication, Ugly's Electrical References, NEC 2023 Chapter 9. All NEC values are facts cited to their section; this app is a learning and field reference tool, not a substitute for code review or professional judgment. Always verify against your local code and a licensed electrician. ## Key features - Conduit bending calculations with diagrams - Voltage drop analysis - Conduit fill calculations - Box fill calculations - Step-by-step formula explanations - Offline functionality - Support for multiple NEC code cycles ## Frequently asked questions about BendMarks ### What types of conduit bends can BendMarks calculate? BendMarks calculates various conduit bends including offset, rolling offset, 3-point saddle, 4-point saddle, 90° stub-up, and kick bends. Each calculation includes labeled diagrams and exact mark distances for precise installation. ### Does BendMarks support different electrical code cycles? Yes, BendMarks allows users to switch between NEC 2017, 2020, and 2023 code cycles. This ensures the calculations are up-to-date with the latest electrical standards. ### How does BendMarks help users learn the math behind the calculations? Every result in BendMarks expands to show the formula with substituted values and a plain-English explanation. This 'show your work' feature teaches users the math as they use the tool. ### Is BendMarks available offline? Yes, BendMarks is fully offline, meaning it makes zero network calls, zero analytics, and zero tracking. Your job data stays securely on your phone. ### What is the price of BendMarks? BendMarks is a one-time purchase of $14.99. There are no ads, no subscriptions, and no additional in-app purchases required for upgrades. ### What devices is BendMarks compatible with? BendMarks is designed for use on iPhones and iPads. It is rated for ages 4 and up. ### How often is BendMarks updated? The latest version of BendMarks is 1.6, and it was last updated on August 25, 2026. Updates typically include refinements and support for new code cycles. ### Does BendMarks have ads? No, BendMarks is ad-free. The app is a one-time purchase with no advertisements included. ## Version history (last 5 releases) ### 1.6 — 2026-08-25 - Performance improvements and under-the-hood updates. ### 1.5 — 2026-07-19 - Performance improvements and under-the-hood updates. ### 1.4 — 2026-06-18 New - Run your favorite actions hands-free with Siri and Shortcuts. ### 1.3 — 2026-05-30 New: apprentice bend walkthroughs. Step through every formula with the answer so you learn the math as you bend. Fixed edge cases in the calculators. ### 1.2 — 2026-05-18 New: apprentice bend walkthroughs. Step through every formula with the answer so you learn the math as you bend. Fixed edge cases in the calculators. ## More apps by BigBalli Consulting llc - [MyLyrics - Find Song by Lyrics](https://appshunter.io/ios/app/mylyrics-find-song-by-lyrics/id393781482) - [PV Master - Solar Panel System](https://appshunter.io/ios/app/pv-master-solar-panel-system/id396636193) - [My Book List - Library Tracker](https://appshunter.io/ios/app/my-book-list-library-tracker/id443391908) - [Contact Exporter - Excel CSV](https://appshunter.io/ios/app/contact-exporter-excel-csv/id468341181) - [Silver Hallmarks - Maker Marks](https://appshunter.io/ios/app/silver-hallmarks-maker-marks/id514531677) - [Fancy QR - AI Code Generator](https://appshunter.io/ios/app/fancy-qr-ai-code-generator/id552823669) All apps by BigBalli Consulting llc: https://appshunter.io/developer/363765325 ## Related topics [prysmian group conduit fill](https://appshunter.io/ios/topics/prysmian-group-conduit-fill) --- *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 2026-08-31.*