Fleetio vs Fullbay

The core trade-off: a fleet-owner's CMMS versus a repair-shop management system

Both Fleetio and Fullbay are genuinely maintenance-first — neither is a GPS-tracking platform dressed up as maintenance software, and neither ships native telematics hardware. The real division is who sits at the keyboard. Fleetio is built for the organization that owns and operates a fleet and wants one place to run preventive maintenance, inspections, parts and per-vehicle cost tracking across every asset. Fullbay is built for the heavy-duty diesel repair shop — and for fleets that run a real in-house shop — where the unit of work is a service order that has to be estimated, authorized, staffed with billable technician hours, parts-sourced, and invoiced. That difference in audience, more than any feature checkbox, decides which one fits.

Shop-management depth versus fleet-wide breadth

Fullbay's center of gravity is the full service-order lifecycle: intake, automatic technician labor-hour tracking, guided inspections, parts authorization/ordering/shipping across shops and mobile trucks, invoicing with a QuickBooks integration, and a customer portal. That last set — billing, labor productivity and a customer-facing portal — is the tell that it is written for a shop that services work, sometimes for outside customers, not only its own trucks. Fleetio covers preventive maintenance, work orders, DVIR-ready inspections and parts too, but wraps them in fleet-wide context: Service Programs and automated reminders by meter or usage, Total Cost of Ownership and replacement analysis, and a Tools/Equipment add-on for non-vehicle assets. One optimizes the bay; the other optimizes the fleet.

Fuel and cost data: native to one, out of scope for the other

For a fleet operator the sharpest practical gap is fuel and per-vehicle economics. Fleetio ingests odometer, engine-hour and fuel-cost data through built-in fuel-card and telematics integrations and rolls it into cost-per-mile and TCO analysis. Fullbay has no built-in fuel-card or fuel-tracking module and no native GPS, and reviewers note its reporting is limited compared with dedicated accounting tools. If fuel-aware PM and cost-per-mile are decisive, that is a real line to draw. If your priority is running the shop floor — labor efficiency, parts margin, DOT-inspection throughput and customer invoicing — those are exactly the areas Fullbay was built to handle and Fleetio was not.

Pricing visibility points at different buyers

• Fleetio publishes per-vehicle pricing (From $4/vehicle/mo (annual)) with unlimited users on every tier, so a large technician and driver roster does not inflate the bill — though a 5-asset minimum and annual billing on upper tiers raise the floor for very small fleets.
• Fullbay is quote-based (Custom quote), with extra charges for additional users and data migration that reviewers say can add up for smaller shops. There is no public rate card to model against, so budgeting requires a sales conversation.

Choosing by fleet type and shop model

• Fleet that outsources most repairs: if you own vehicles but send heavy work to outside shops, Fleetio's fleet-wide PM, inspections and cost tracking fit the way you actually operate.
• Commercial heavy-duty repair shop: a diesel service business billing customers for labor and parts needs Fullbay's estimates, technician time-tracking, parts workflow and invoicing — functions Fleetio does not provide.
• Fleet running its own in-house shop: this is the overlap. If the shop is the operation and you want guided diesel service orders and DOT-inspection scheduling, lean Fullbay. If you want fuel-aware, per-vehicle maintenance across a mixed asset base, lean Fleetio.
• Mixed or light-duty fleet, fuel matters: Fleetio's fuel-card feeds, cost-per-mile and non-vehicle asset support suit a broad fleet better than a heavy-duty shop tool.

An honest recommendation

There is no universal winner, because these two are not really chasing the same buyer. Pick Fleetio when you are the fleet owner and want fuel-aware, per-vehicle maintenance across all your assets without running a commercial repair operation. Pick Fullbay when you are the heavy-duty shop — billing labor and parts, tracking technician productivity and managing customer service orders on diesel trucks and trailers. Confirm the fit against your decisive workflow in each demo: for Fleetio, a mileage-triggered PM feeding a cost-per-vehicle report; for Fullbay, a full service order from intake through parts authorization to a customer invoice.

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