49+ iOS apps curated and reviewed
The best flange hole marker pro apps on iPhone average 3.6★ across 49+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
Calculate precise flange hole markings for equispaced holes, angles, and equivalent hole counts. Supports both millimeters and inches for various fabrication and engineering applications.
Access dimensional and weight data for over 70 common ASME piping components. Provides information in Metric, US Customary Units, and Inch/Fractions, with audited weights for valves, flanges, and other parts. Ensures accuracy and up-to-date information based on the latest ASME specifications.
Easily save locations, plan multi-point routes, and track your travel history. Import places from Instagram and use offline. Ideal for travelers, field teams, and anyone wanting to remember visited spots.
This business app provides industrial flanges for various industries, offering calculations and industry news. It connects users through social networks and offers a wide range of flange types and sizes.
Access comprehensive piping and flange data on your mobile device. Quickly find dimensions, weights, and stud requirements for various pipe components, fittings, and flanges. Ideal for field professionals and designers needing instant access to critical information.
Calculate the cord length needed to mark holes on a flange's pitch circle diameter. Ideal for fabrication professionals, this tool simplifies bolt hole marking on various industrial equipment.
This app helps sales professionals manage clients and optimize routes. It allows for precise location marking, detailed client information, follow-up records, and route tracking. Teams can collaborate by sharing client data and visit histories for improved efficiency.
This navigation app allows GPS users to mark and save locations with custom shapes and radii. Saved locations are accessible through your GPS client account, functioning both online and offline.
This application provides a digital slide rule for finding critical dimensions of high-pressure wellhead equipment, including integral flange and ring groove measurements. It functions like a traditional paper slide rule, offering convenience and accessibility for users needing these specific engineering calculations.
Streamline on-site data collection and reporting with real-time geolocation and map overlays. Document issues, create automated reports, and collaborate with stakeholders instantly. Works offline for remote locations.
This app provides a mobile reference for pipe flange specifications, including dimensions, bolt details, and types. It's designed for professionals and students in industries like oil & gas and petrochemicals, offering unit conversion between US Customary and SI.
This utility app provides instant contact with well control services for emergencies. It also includes helpful calculators and lookup tables for casing, flange, coiled tubing, and nitrogen volume.
This app calculates the true position of holes based on engineering drawing dimensions and tolerances. It helps determine if hole positions meet required specifications, with or without Maximum Material Condition. It's a tool for manufacturing quality control.
This mobile application helps plan and report on drilling projects, reducing risk and improving efficiency. It allows users to map bore paths, record waypoints, and identify obstacles, replacing traditional paper methods with GPS technology.
This utility app enables WIFI communication between a handheld device and a Patmark pin marker. It allows users to easily input text and initiate marking operations.
This app allows users to map, measure, and record locations using their device's GPS. It supports collecting points, lines, and areas, with options for manual or automatic coordinate collection. The Lite version has limitations on data export and measurement calculations.
