49+ iOS apps curated and reviewed
The best flange hole marker pro apps on iPhone average 3.8★ across 49+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
This application calculates flange hole markings for equispaced holes, holes at any angles, and equivalent number of holes, making it a useful tool for professionals in fabrication and heavy engineering. By inputting the pitch circle diameter, users can easily determine the required cord length to divide holes on a flange, streamlining the marking process.
This application provides fast and easy access to dimensional and weight information for common ASME piping components, including pipes, flanges, valves, and fittings, with data based on the latest ASME piping dimensional specifications. Try it out to access a comprehensive database of piping component data and streamline your workflow!
This app helps you save places, plan routes, and track your location history with ease, making it perfect for organizing your favorite spots, tracking client visits, or recording locations. With its simple design and powerful features, you can instantly save locations, create multi-point routes, and revisit your journey anytime, even offline.
This app allows users to calculate rings, stay updated with current news, and connect through social networks, while also providing access to a wide range of industrial flanges for various industries. Users can explore and find the right flanges for their needs, including custom options, and take advantage of the app's features to streamline their workflow.
This mobile application provides a comprehensive and user-friendly reference guide for pipe fitters, designers, engineers, and students, offering detailed data on pipes, flanges, and fittings at their fingertips. With an intuitive interface, it allows users to browse and search for piping components, including dimensions, weights, and stud requirements, in both metric and imperial units.
This application helps users mark hole centers on flanges by calculating the cord length required to divide a given number of holes on a specified Pitch Circle Diameter. It's a useful tool for professionals in fabrication, particularly those working with process equipment, heavy engineering, and related fields.
An application that allows users to mark favorite places on maps, record locations, save favorite spots, create private maps, and share travel experiences. Perfect for offline exploration, outdoor activities, and personal adventures. Try it now to start mapping your world!
This mobile application streamlines field data collection and reporting, allowing teams to document site data, create reports, and collaborate with stakeholders in real-time. With features like geo-location, customizable pinning, and automated reporting, teams can efficiently collect and share data on-site, even in areas with limited cellular reception.
This mobile reference tool provides piping engineers and related professionals with easy access to data on pipe flanges, including dimensions and specifications for various types and class ratings. With a simple and interchangeable interface, users can switch between US Customary Units and SI Units and access a comprehensive database of flanges, making it a valuable resource for the oil and gas, petrochemical, and manufacturing industries.
This application provides immediate access to emergency well control services with a 24-hour live engineer response. It also offers various calculators and reference tools, including casing and flange information, coiled tubing and nitrogen volume calculators, to support well control operations.
This calculator helps determine if the position of holes in manufacturing meets required tolerances by entering dimensions from engineering drawings. It calculates true position with and without Maximum Material Condition, making it easy to check if holes are within specified limits.
This mobile application helps plan and report bore jobs, reducing risk and improving drill time efficiency. It allows users to record waypoints and obstacles along the intended bore path using GPS, streamlining the process and minimizing errors.
This application allows users to easily mark locations using a handheld device, such as a tablet or phone, and communicate with a pin marker via WIFI. Simply key in text to start marking, making it a straightforward and user-friendly tool.
Use your device's GPS to map, measure, and record important places by collecting geographic coordinates in various formats, including points, lines, and areas. This application allows you to manually or automatically collect coordinates and export or edit your surveys, with some features restricted in the free version.
