54+ iOS apps & games curated and reviewed
Out of 54+ flange hole marker apps and games on iOS, 15 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (1) | No | Yes | May 2026 |
| 2 |  | $1.99 | — | No | No | Jul 2026 |
| 3 |  | $3.99 | 5.0★ (1) | No | No | May 2026 |
| 4 |  | $2.99 | 1.0★ (1) | No | No | Jul 2026 |
| 5 |  | Free | 5.0★ (13) | No | No | Jul 2026 |
| 6 |  | Free | 4.6★ (361) | No | Yes | Jul 2026 |
| 7 |  | Free | 4.8★ (326) | No | Yes | Jul 2026 |
| 8 |  | Free | 4.3★ (39) | No | No | May 2026 |
This engineering tool simplifies flange hole layout for professionals. It offers three calculators for accurate marking of equispaced, angled, or equivalent holes, saving time and reducing errors in fabrication and machining. Works offline.
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 engineering tool accurately calculates and marks bolt hole positions on flanges for machinists and fabricators. It offers features for equispaced, angle-based, and equivalent hole counts, saving time and reducing manual errors in workshop settings.
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 essential measurements and dimensional data for API 6A integral flanges. This tool provides quick access to critical specifications for engineering and industrial applications.
Instantly access flange, pipe, and bolt data offline. Quickly find bolt sizes, torque patterns, flange dimensions, and pipe specifications. Ideal for pipefitters and steamfitters needing rapid access to piping information.
Organize your favorite places with custom markers, descriptions, and photos. Create folders, search for locations, and even measure distances and areas. Collaborate with friends and sync your maps across devices.
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.
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.
Easily save and share your current location or specific points of interest. Ideal for marking spots in fields, repair needs, or hard-to-find areas. Locations can be shared via email for import on other devices.
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.
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 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 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.
Engage in intense helicopter combat to rescue a hostage from relentless waves of enemies. Utilize a variety of weapons and slow-motion abilities to eliminate threats and protect your objective. Upgrade your gear and face challenging boss battles in this action-packed shooter.
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 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.