# Construction & CNC Calculator — Feet-Inch, Stairs & Machining

> Feet-Inch, Stairs & Machining (iPhone/iPad app by Zenith Education Technology (Beijing) Co., Ltd..)

- Source: https://appshunter.io/ios/app/construction-and-cnc-calculator/id6815283371 (this page in markdown: same URL + `.md`)
- Developer: [Zenith Education Technology (Beijing) Co., Ltd.](https://appshunter.io/developer/1412589877)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 17+
- Requires: iOS 17.0 · 5 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2026-10-05
- Data updated: 2026-10-31

## What is Construction & CNC Calculator?

Construction & CNC Calculator is an all-in-one toolkit for builders, remodelers, machinists and DIYers:
- Construction: stairs, common rafter, wall studs, deck boards; concrete (slab/footing/column), drywall, paint, roofing squares, tile & flooring, mulch & gravel, lumber board feet
- Machining: lathe turning, thread (pitch/lead), circular arc interpolation, macro/G-code helper, tool geometry, bolt circle (PCD)
- Geometry: circle & arc, cylinder/tank volume, divide an angle, 3-4-5 square check, grade & slope
- Math: feet-inch tape, fraction ↔ decimal, markup & discount
- Units: convert length/area/volume/weight across imperial & metric
Free with ads
All results use real trade formulas — built for the job site and the machine shop.

## Is Construction & CNC Calculator safe?

Not enough ratings yet to assess Construction & CNC Calculator.

## Is Construction & CNC Calculator legit?

Construction & CNC Calculator appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Construction & CNC Calculator is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 2 releases)

### 1.1 — 2026-10-29

New in 1.1:
• New Machining (Lathe) module: lathe turning, thread, arc interpolation, G-code helper, tool geometry and bolt-circle calculations — built for the machine shop.
• Improved App Tracking Transparency flow: the tracking prompt now appears on first launch before any ad request is made.
• Age-rating and privacy details updated for accuracy.

### 1.0 — 2026-10-05

No release notes.

## More apps by Zenith Education Technology (Beijing) Co., Ltd.

- [Dawnwalker Helper](https://appshunter.io/ios/app/dawnwalker-helper/id6814823057)
- [Guide for Slay the Spire 2](https://appshunter.io/ios/app/guide-for-slay-the-spire-2/id6815252137)
- [几何星球-阴影面积动画](https://appshunter.io/ios/app/id6818393957)
- [PoemSpeak: Speak Chinese](https://appshunter.io/ios/app/poemspeak-speak-chinese/id6820536483)

All apps by Zenith Education Technology (Beijing) Co., Ltd.: https://appshunter.io/developer/1412589877

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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 2026-10-31.*