# TightnessPro

> Tightness testing guide for gas engineers.

Canonical page: [https://chrome-stats.com/d/com.themistoapp.tightnesspro](https://chrome-stats.com/d/com.themistoapp.tightnesspro)

## Overview

- **ID:** `com.themistoapp.tightnesspro`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Themisto.app
- **Category:** TOOLS
- **Downloads:** 45
- **Last updated:** 2026-06-11
- **First published:** 2026-06-11
- **Publisher country:** GB
- **Data as of:** 2026-09-15
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.themistoapp.tightnesspro)
- **Privacy policy:** [https://themistoapp.github.io/tightnesspro/](https://themistoapp.github.io/tightnesspro/)

## Description

TightnessPro was created to help UK domestic natural gas engineers carry out their tightness testing procedure to new IGEM/UP/1B standards, including the new permissible drop bands.<br><br>Features include:<br>- End to end flow including ‘cap and retest’ to confirm any drop is not on the pipework itself.<br>- Screenshot friendly results summary card.<br>- Ability to input engineer details which feature on the  results card.<br>- 1 min and 2 min timers.<br>- Quick reference tables for meter &amp; pipework volumes, as well as the permissible drop bands.<br>- Version check banner ensuring engineers (when online) are running the latest app, whilst maintaining functionality offline.<br><br>Please note this app is designed for already qualified UK gas engineers. This app only covers the parameters for low pressure, natural gas installations up to 0.035m3.

## Rankings

- #2,297,992 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.themistoapp.tightnesspro)