A heavy-duty platform and a system for car and light truck shops. Here is how they compare, with the facts Fullbay publishes.
| What to compare | Karzen | Fullbay |
|---|---|---|
| Made in | Made in Quebec, Canada: designed, built and supported here | Phoenix, Arizona, United States |
| Language | French and English, each person picks | Not stated |
| Canadian taxes | GST, QST, HST and PST for every province and territory | Not stated |
| How it runs | Installed on the shop’s PCs (Windows, macOS 13+), encrypted backups in Canada | Cloud, in a browser |
| Without internet | Keeps working on the shop’s network | Not stated |
| Published price | $199 (Essentials) or $349 (Pro) a month, CAD, per shop | $149 a month for one user; higher plans quoted |
| Users | Unlimited, with unlimited PCs and tablets | Per user |
| Setup fee | None | Not stated |
| Commitment | Monthly: cancel any time at no cost. Yearly: 12 months, 20% off | Month to month or yearly |
| Free trial | 15 days of Pro, no credit card | Demo |
| Accounting | Journal export for QuickBooks Online; QuickBooks, Sage and Acomba sync coming soon | QuickBooks from the Pro plan |
| Digital inspection | Included: basic in Essentials, full with photos in Pro | Truck inspection reports and preventive maintenance |
| Integrated payments | Coming soon | Cards and bank transfers |
| Parts ordering | PROLink, WORLDPAC and Nexpart coming soon (Pro) | Nexpart and fleet billing services |
| Tire storage | Included in Pro | Not stated |
Fullbay information comes from its public website and review sites, consulted on November 8, 2026: fullbay.com/pricing. Prices and features change: check with Fullbay. Fullbay is a trademark of its owner; Karzen is not affiliated with it.
Truck data, telematics and fleet billing are what it is built for.
It is used by mobile heavy-duty technicians.
Estimates, work orders, inspection, tire storage, invoicing and reports in one system, not an add-on.
Every screen, invoice and estimate in French or English, with GST and QST already set up.
Unlimited users and PCs: technicians, counter and managers, without counting seats.