# Gas man business manager — All-in-one app for invoices

> All-in-one app for invoices (iPhone/iPad app by Paul Holmes.)

- Source: https://appshunter.io/ios/app/gas-man-business-manager/id6761196427 (this page in markdown: same URL + `.md`)
- Developer: [Paul Holmes](https://appshunter.io/developer/1888222897)
- Category: Business
- Price: Free
- Age rating: 4+
- Requires: iOS 16.6 · 48 MB
- Languages: English
- Released: 2026-04-20
- Data updated: 2026-06-27
- User reviews in markdown: https://appshunter.io/ios/app/gas-man-business-manager/id6761196427/reviews.md

## What is Gas man business manager?

Run your business efficiently with this all-in-one app designed for professionals and small businesses. Create and manage invoices with auto-save and PDF export, perform accurate gas calculations including pipe sizing, gas rate, pressure, and radiator (heating) calculations, track employees and salaries, organize your product or service listings, and manage complete company details in one place. Upgrade to unlock unlimited invoices, advanced gas and radiator tools, multi-company support, and a seamless, professional workflow that saves time and boosts productivity.


## Version history (last 4 releases)

### 1.0.6 — 2026-06-26

- unnecessary screenshot removed

### 1.0.2 — 2026-05-25

- new job management system added
- add customer with csv  import 
- bug fixes and improvements
- job corner added

### 1.0.1 — 2026-05-11

- new certificates cp16 and cp 17 added
- new pipe sizing calculator added
- bug fixes and improvements

### 1.0 — 2026-04-21

No release notes.

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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 2026-06-27.*