250+ iOS apps curated and reviewed
The best virtual flange apps on iPhone average 3.8★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (13) | No | No | Jul 2026 | |
| 2 |  | Free | 1.0★ (1) | No | No | May 2026 | |
| 3 |  | Free | 4.6★ (363) | No | Yes | Sep 2026 | |
| 4 |  | Free | 5.0★ (22) | No | No | May 2026 | |
| 5 |  | Free | 1.0★ (2) | No | No | May 2026 | |
| 6 |  | Free | — | No | Yes | Aug 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | 5.0★ (1) | No | No | May 2026 |
Access essential measurements and dimensional data for API 6A integral flanges. This tool provides quick access to critical specifications for engineering and industrial applications.
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.
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.
