The all-in-one tool for professional engineers and tradespeople.

Latest Version

Version
Update
Oct 16, 2025
Category
Google Play ID
Installs
10+

App APKs

Checker - Software for Trades APP

Simplify your workday with Checker App, the all-in-one tool for professional engineers and tradespeople. Whether you work in gas, electrical, renewables, or oil heating, Checker App helps you issue professional PDF certificates/reports, invoices, quotes, and job sheets — all from your phone, tablet, laptop or desktop.

FEATURES:
• Generate Gas Safety, Electrical, Oil Heating and Renewable Energy Certificates and Reports
• Create and send PDF quotes, invoices & job sheets in minutes
• Manage customers with our powerful built-in CRM
• Annual service reminders via SMS, email & letter
• Seamlessly syncs records securely to the cloud and to all your devices
• Works offline - no signal? No problem!
• Designed by engineers, for engineers
• Sync to your XERO, Quickbooks or Sage accountancy package
• Connect to any KANE Analyser and pull logs.

SUPPORTED INDUSTRIES:
• Gas Engineers
• Electricians
• Plumbers
• Oil & Renewable Heating Engineers
• Multi-trade service providers

SAVE TIME & BOOST REVENUE:
Ditch paperwork and manage all your jobs, customers, and reports in one place. Automate follow-ups and stay compliant effortlessly.

FREE TRIAL:
Get started today with our free trial – no card required.
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