Download Checker

Get Checker on your phone, tablet and laptop

Certificates, jobs, customers, quotes and invoices – all in one app that works offline and syncs between your devices. Free to try, no card needed.

Works on iPhone, iPad and Android phones and tablets.

iOS

iPhone and iPad

Search “Checker” on the App Store, or tap below. iOS 15 or later.

Android

Search “Checker” on Google Play, or tap below. Android 8 or later.

Open in Google Play

Takes a couple of minutes, most of which is the app doing the work.

Open the app, sign up with your email and start your free trial. No card, no contract.

Log in with the same email and password. Your customers, jobs, files and plan are already there. Read the move-over guide.

Leave the app open while your files download for offline use. Roughly 10 seconds per 100 files.

✓Gas, electrical, oil, renewables and air con certificates

✓Customer database that fills itself in as you type

✓Quotes and invoices, plus card payments

✓Works offline in cellars and plant rooms, syncs when you get signal

✓Service reminders sent out for you

✓Staff accounts and accounts software sync

Does it cost anything to download?

No. The app is free to download and free to trial. You only pay if you decide to carry on.

I used Gas Checker – do I need a new account?

No. Same username, email and password. Your plan and all your files came across with you.

Can I use it on more than one device?

Yes. Start a certificate on the phone, finish it on the tablet, print it off the laptop. It all syncs.

Does it work with no signal?

Yes. Work offline all day if you need to, and it syncs the moment you get a bar back.

Download, log in, and your first certificate is about two minutes away.

Rather someone walked you through it? Book 15 minutes.

Quick question? Mon to Fri, 9am to 5pm.