Create Gas Certificates and Reports on your mobile device,Only Gas Safe engineers should download the App. Every new registration will be checked against the GAS SAFE REGISTERCreate, Save, email and Print Your Gas Certificates, this means you never have to carry a paper certificate book ever again. Certificates included: DomesticLandlord Gas Safety Certificate, Gas breakdownService Record, Gas Warning Notice, Gas ServiceMaintenance check list Leisure Industry Gas Safety Certificate, LPG Gas Safety Record.The app has many powerful features, which will help you fill in the required certificate easily and smoothly, all data can then be synced to the WEB so you will never lose it.Possibly the most useful App a Gas Engineer could wish for. Twitter @gasafetycheckerPlease Note Gas Checker is Free to trial if you like it and upgrade to PRO you will unlock unlimited amounts of certs for 15.99 per year. When Registering for the first time after install, please make sure of the following1 Ensure your username does not have any spaces ie Gas Checker it should be GASCHECKER2 Depending on the file size of your image will depend on the time it takes to Register your device. The Device needs to contact the Gas Checker server, So please be patient we hope you find this information helpful