# Bangon 345 — Construction

> Construction calculator for imperial and metric measurements with specialized building tools. (iPhone/iPad app by Neil Shirley.)

- Source: https://appshunter.io/ios/app/bangon-345/id6814321607 (this page in markdown: same URL + `.md`)
- Developer: [Neil Shirley](https://appshunter.io/developer/689626908)
- Category: Reference, Productivity
- Price: $3.99
- Rating: 5.00/5 from 3 App Store ratings · 3 written reviews indexed
- Age rating: 17+
- Requires: iOS 17.0 · 1 MB
- Languages: American English
- Released: 2026-09-30
- Data updated: 2026-10-17
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/bangon-345/id6814321607/reviews.md

## What is Bangon 345?

Bangon is a construction calculator built for the way you measure on the job. Enter feet, inches, and sixteenths directly, or switch to metric.

FIVE TOOLS, ONE KEYPAD

Calc: add, subtract, multiply, and divide in feet-inch-sixteenths or metric.
Volume: figure concrete in cubic yards for slabs, footings, walls, and piers.
Stairs: lay out risers and treads from your total rise.
Rafter: get rise, rafter length, and angle from a roof pitch.
Spacing: space pickets, balusters, or joists evenly across any run.

BUILT FOR THE WORK

Imperial results rounded to the nearest 1/16″
History of your last 60 calculations
Undo when you hit the wrong key
Remembers your units and last tool

ONE PRICE, NOTHING ELSE

Pay once and it's yours. No subscriptions, no in-app purchases, no ads.

PRIVATE BY DESIGN

Bangon never connects to the internet. No accounts, no tracking, no analytics. Your history stays on your iPhone.

Bangon is a calculating aid. Always check measurements before cutting or ordering, and confirm your work meets local building codes.

Requires iOS 17 or later.

## Key features

- Unified keypad for imperial and metric
- Concrete volume calculation
- Stair layout tool
- Rafter calculation
- Spacing tool
- Calculation history

## Is Bangon 345 safe?

Not enough ratings yet to assess Bangon 345.

## Is Bangon 345 legit?

Bangon 345 appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Bangon 345 is 75 out of 100 points across 7 verification signals from App Store and developer data.

## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/bangon-345/id6814321607/reviews.md

### 5/5 — Nice app!

*2026-10-03*

Creative app really helps on the job!

### 5/5 — Saved my life!

*2026-10-02*

This has simplified hours of calculations. 
Thank you.

### 5/5 — 😎

*2026-10-01*

Very simple to use and makes life easier!

## Frequently asked questions about Bangon 345

### What is Bangon 345?

Bangon 345 is a construction calculator designed for on-site measurements. It allows users to input measurements in feet, inches, and sixteenths, or switch to metric units for various construction tasks.

### What tools are included in Bangon 345?

Bangon 345 includes five tools: Calc for basic arithmetic in imperial or metric, Volume for concrete calculations, Stairs for riser and tread layout, Rafter for roof pitch calculations, and Spacing for even distribution of elements.

### Does Bangon 345 have ads?

No, Bangon 345 is ad-free. The app is a one-time purchase with no subscriptions, in-app purchases, or advertisements.

### What is the price of Bangon 345?

Bangon 345 costs $3.99 and is a one-time purchase. There are no additional costs, subscriptions, or in-app purchases.

### What devices is Bangon 345 compatible with?

Bangon 345 requires iOS 17 or later and is supported on iPhone.

### How often is Bangon 345 updated?

The latest version of Bangon 345 is 1.1, which was last updated on October 12, 2026. This indicates regular maintenance and potential feature additions.

### Is Bangon 345 private?

Yes, Bangon 345 is designed for privacy. It does not connect to the internet, requires no accounts, and does not track user data. Your calculation history remains on your iPhone.

### What is the age rating for Bangon 345?

Bangon 345 has an age rating of 17+. This is likely due to the complexity of the calculations and the target audience in the construction industry.

## Version history (last 2 releases)

### 1.1 — 2026-10-12

Stairs and Rafter now live under a single Framing tab, joined by two new tools — Rake for raking-wall stud layout, and Radius for curves between two walls.

### 1.0 — 2026-09-30

No release notes.

## Apps similar to Bangon 345

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [RecycleRight SLO County](https://appshunter.io/ios/app/recycleright-slo-county/id1472759239) | 4.5 (11) | Free | Reference |
| [Stampmeister - Stamp Collect](https://appshunter.io/ios/app/stampmeister-stamp-collect/id6470133451) | 4.6 (18) | Free | Reference |
| [Stamp ID Pro™: Collect Stamps](https://appshunter.io/ios/app/stamp-id-pro-collect-stamps/id1446933536) | 4.4 (303) | Free | Reference |
| [ReelTrends - AI Creator Tools](https://appshunter.io/ios/app/reeltrends-ai-creator-tools/id1612492046) | 4.8 (22,193) | Free | Reference |

## More apps by Neil Shirley

- [Keep Track: Goods](https://appshunter.io/ios/app/keep-track-goods/id689626905)
- [Agent37](https://appshunter.io/ios/app/agent37/id6752594969)

All apps by Neil Shirley: https://appshunter.io/developer/689626908

## Related topics

[345](https://appshunter.io/ios/topics/345)

---

*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 2026-10-17.*