# Pipefitter's Mate: Pipe Offset — Offsets, Ordinates & Cut Lists

> Offsets, Ordinates & Cut Lists (iPhone/iPad app by Florin Chiriac.)

- Source: https://appshunter.io/ios/app/pipefitters-mate-pipe-offset/id6758932569 (this page in markdown: same URL + `.md`)
- Developer: [Florin Chiriac](https://appshunter.io/developer/1875844632)
- Category: Utilities, Productivity
- Price: $7.99 (on sale, was $9.99)
- Age rating: 4+
- Requires: iOS 15.6 · 34 MB
- Languages: American English
- Released: 2026-02-18
- Data updated: 2026-08-30
- User reviews in markdown: https://appshunter.io/ios/app/pipefitters-mate-pipe-offset/id6758932569/reviews.md

## What is Pipefitter's Mate?

Pipefitter's Mate — seven pipe layout calculators for the field. Offline. No ads. No accounts.

Enter the dimensions and the numbers are already there. Cut list, ordinates and spool weight update as you type, and every result shows the method behind it, so you can check it before you cut.

THE SEVEN TOOLS

Simple offset
RUN and OFFSET in. TRAVEL, PIPE CUT, SETBACK, CUT ANGLE, INSIDE ARC and OUTSIDE ARC out.

Rolling (compound) offset
Set and roll across two planes. True offset, travel and pipe cut, with the derivation shown.

Lateral branch
Fishmouth ordinates for a branch meeting a header at any angle from 30 to 90 degrees.

Saddle branch
Ordinates for a square 90 degree branch. The lateral tool reproduces this exactly at 90.

Trunnion / dummy leg
Ordinates for a support landing on the back of an elbow, checked against published cutback data.

Equal-spread offsets
Stagger a bank of two to four parallel lines so the spacing stays even through the offset.

Flange two-holing
Bolt hole layout straddling the centreline, to ASME B16.5.

ELBOW ANGLES

Presets for 45, 22.5, 11.25, 30 and 60 degrees plus custom, with the run derived for you.

PIPE DATA, BUILT IN

NPS 1/2" through 40". Schedules STD, XS, XXS, SCH 40 and SCH 80. Long and short radius elbows. Wall thickness to ASME B36.10M, elbow geometry to B16.9, flanges to B16.5. Where a schedule is not standard for a given size, the app says so rather than guessing.

CUT LIST AND WELD GAP

When the pipe cut exceeds stock length, the app works out the sticks and generates a cut list, deducting your root gap per joint across elbow welds and field welds. Set stock length to match your region: 6 m, 20 ft, 24 ft, 40 ft or custom.

SPOOL WEIGHT

Pipe, both elbows and the weld beads, totalled — so you know what you are lifting before it is on the strop.

DRAWINGS

A CAD-style diagram for every tool, with dimension callouts and weld markers. Pinch to zoom and pan. Legible in light and dark.

TRADE INDEX

A built-in reference covering fabrication, geometry, measurement and pipe sizing terms.

ALSO

Save and load named spools. Switch between millimetres and inches with one tap. Screen-stays-on mode for when your hands are full. Bigger type and glove-sized targets throughout.

PRIVATE BY DESIGN

Calculations work without a network connection and stay on your device. Network access is used only to check the App Store for a newer version. No accounts, no data collection, no ads, no tracking.

Pipefitter's Mate is a tool to assist. Always verify against project specifications before fabrication.


## Version history (last 5 releases)

### 1.2.0 — 2026-07-30

This update completes the calculation workflow:

- Save and reopen calculations from all seven tools.
- Print fabrication PDFs, marking lists and branch ordinates.
- Equal-spread now starts with a helpful ghost diagram.
- Saddle and lateral branches use one consistent workspace.
- Get an in-app notice when a newer App Store version is available.

### 1.1.1 — 2026-07-30

This update restores the complete Rolling Offset workflow:

- Save valid rolling-offset calculations.
- Expand a detailed Cut List for single- and multi-stick spools.
- Print saved spools as clear fabrication PDFs using the native iPhone print sheet.
- Always start on the light-mode main Catalog while preserving saved spools.
- Improved cut-piece, stock, offcut, weld-gap and elbow details.

### 1.1.0 — 2026-07-26

Seven calculators, all offline, all with the working shown.

NEW CALCULATIONS
- Rolling (compound) offsets: enter rise and roll, get true offset, travel and pipe cut.
- Elbow-angle presets: 45, 22.5, 11.25, 30, 60 and custom, with run derived for you.
- Lateral branch: fishmouth ordinates for a branch meeting a header at any angle 30-90.
- Trunnion / dummy leg: fishmouth ordinates for a support landing on the back of an elbow.
- Equal-spread offsets: stagger a bank of 2-4 parallel lines so they stay evenly spaced.

FASTER ON THE JOB
- Results are inline. Enter the dimensions, scroll down, the cut list and spool weight are already there - no button to press.
- Every tool opens with one line saying what it is for.
- Every result shows the method behind it, so you can check the number.
- Bigger type, glove-sized targets, corrected dark mode.

### 1.0.6 — 2026-06-17

Bug fixes and usability improvements:
- Added CLEAR and DONE controls for iPhone numeric entry.
- Added a Settings switch for millimetres/inches.
- Improved keyboard dismissal when entering measurements.

### 1.0.5 — 2026-06-17

Version 1.0.5

- Switch between millimeters and inches anytime — your unit choice is now saved
- Added a quick units toggle to the top menu and Settings
- App now opens in dark mode by default for better job-site visibility
- Defaults to millimeters on first launch
- Bug fixes and refinements

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## More apps by Florin Chiriac

- [Sawprint](https://appshunter.io/ios/app/sawprint/id6792270354)

All apps by Florin Chiriac: https://appshunter.io/developer/1875844632

## Related topics

[lateral pipe](https://appshunter.io/ios/topics/lateral-pipe) · [emt pipe bending](https://appshunter.io/ios/topics/emt-pipe-bending) · [pipe offset assistant](https://appshunter.io/ios/topics/pipe-offset-assistant) · [pipe offset](https://appshunter.io/ios/topics/pipe-offset)

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*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 2026-08-30.*