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TightnessPro

Privacy Policy

Last updated: May 2026

Overview

TightnessPro is a gas tightness testing calculator app developed by Themisto.app. This privacy policy explains how the app handles your information.

Data Collection

TightnessPro does not collect, transmit, or share any personal data with any third party, server, or external service.

Data Stored Locally

The app stores the following information locally on your device only (both optional):

This information is stored using your device's local storage and never leaves your device. It is used solely to display as part of the tightness test results screen within the app, making it easier to screenshot and add to a job card for evidence.

Internet access

When TightnessPro is online the app retrieves the latest version number in order to display a banner if the user is on an outdated version. If TightnessPro is offline, no check is performed. No personal data, device identifiers, or usage information is sent or collected during this process.

No Analytics or Tracking

TightnessPro contains no analytics, advertising, crash reporting, or any third party tracking SDKs.

Children's Privacy

TightnessPro is intended for use by qualified gas engineers and is not directed at children under 13.

Changes to This Policy

Any updates to this privacy policy will be reflected on this page with an updated date.

Contact

For any questions regarding this privacy policy, please contact: [email protected]