PAT Testing Log & Cert

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About this app

WHAT IT DOES
PATBook is a private, offline PAT (Portable Appliance Testing) log and certificate maker for electricians, PAT testers, and landlord-compliance contractors.

- Record each appliance: asset ID, description, class (I, II, III), and location
- Enter readings from any PAT tester - earth continuity (Ohms), insulation resistance (MOhms), polarity, and functional checks
- Mark the overall PASS or FAIL result - your professional judgement
- Build an asset register that tracks every appliance and its next-due date
- See which appliances are coming up for retest, with reminders
- Generate a PDF PAT test certificate and an asset register report
- Export an asset register as CSV
- Optionally scan a barcode to pull up an asset ID - or type it by hand
- Keep your own records on your own device, no account required

WHO IT'S FOR
- Electricians who carry out portable appliance testing
- Dedicated PAT testers and testing-services sole traders
- Landlord and letting-agent compliance contractors
- Facilities and maintenance staff testing their own equipment

YOUR RECORDS STAY YOURS
Sites, appliances, and test results are stored on your device. PATBook is a record-keeping and certificate-preparation tool. It does not determine or guarantee whether any appliance is safe - PASS or FAIL is your professional judgement based on your own inspection and instrument readings. Test methods, pass limits, and retest intervals must follow the current IET Code of Practice and your own risk assessment.

Contact: support@clearstackapps.com
Updated on
Jun 29, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Device or other IDs
This app may collect these data types
App activity, App info and performance, and Device or other IDs
Data is encrypted in transit
You can request that data be deleted

What’s new

First release of PATBook. Log PAT tests by site and appliance, record earth continuity and insulation readings, track retest due dates, scan asset tags to recall history, and generate a clean PDF test certificate and asset register.