BS 1363 & IET CoP 5th Ed compliant. Professional certificates. Works offline. £4.99/year.
Free to download · £4.99/year subscription · iPhone & iPad
Features
Earth continuity, insulation resistance, polarity and leakage current limits are all pre-loaded per appliance class. No guesswork.
From Class I to Class II, extension leads to IT equipment. Tap to select, recently used shown first. Add custom appliances any time.
Professional certificates with cert numbers, engineer signature, client details and test results. Share by email or AirDrop immediately.
No Wi-Fi required on site. All data lives on your device. Background cloud sync kicks in when you're back online.
Create clients, assign jobs, manage multiple sites. Every test record is linked to a job and client — fully organised.
Automatically adjusts the earth continuity limit based on lead length — a detail that most apps get completely wrong.
How it works
Enter site address, client name and schedule the job — takes 30 seconds.
Scan or type in each appliance. Select from 35+ types — the app pre-fills class limits.
Enter your test readings. Pass/fail is calculated instantly per IET CoP guidance.
PDF certificate generated on device. Share immediately by email, AirDrop or print.
Pricing
No per-test fees. No seat limits. No surprises.
Arnold PAT Testing
FAQ
Yes. The app is optimised for both iPhone and iPad on iOS 17 or later. It works in landscape and portrait on iPad, and is fast and responsive on all modern iPhone models.
Arnold PAT Testing is built around BS 1363, the IET Code of Practice for In-service Inspection and Testing of Electrical Equipment 5th Edition (2020), and the Electricity at Work Regulations 1989. Pass/fail limits follow IET CoP guidance exactly.
Yes — 100% offline capable. All test records, certificates and client data are stored locally on your device using SQLite. When Wi-Fi or mobile data is available, the app silently syncs to a secure cloud backup.
Unlimited PAT tests, unlimited clients, unlimited jobs, unlimited certificates. No per-test fees, no extra charges. That's under 10p a day for fully compliant, professional PAT testing records.
Absolutely. The app handles multiple clients across multiple sites. It's used by sole traders, facilities managers, electrical contractors and landlords across the UK.
Yes. Certificates include: your company logo and details, engineer name, client and site address, appliance details, all test readings with pass/fail indicators, and a sequential certificate number. Clients won't know the difference from desktop software costing 10x more.
Download free. Subscribe for £4.99/year. Start testing professionally today.
Download on the App StoreiPhone & iPad · iOS 17+ · Free download · £4.99/yr