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MaintainX vs Fullbay

Source-linked differences for fleet and maintenance managers. No sponsored winner and no blended review score.

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MaintainX logo

MaintainX

Vendor-source research

MaintainX is a mobile-first CMMS built around work orders, procedures, and preventive maintenance for industrial, facility, and fleet assets. For fleets it drives meter-based PM, inspections, and parts management, relying on telematics integrations for vehicle data.

Best fit
Mixed fleets run by maintenance teams that also service shop equipment and facilities, and want a mobile-first work-order CMMS rather than a GPS-first fleet platform.
Pricing visibility
Free plan; paid from $20/user/mo
Source check
July 17, 2026
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Fullbay logo

Fullbay

Vendor-source research

Fullbay is cloud-based shop-management software built specifically for heavy-duty and diesel truck/trailer repair shops. Its core workflow runs the full service-order lifecycle: intake, technician labor tracking, guided inspections, parts authorization/ordering/inventory, preventive-maintenance and DOT-inspection scheduling, invoicing, and a customer portal. It is maintenance-first rather than a telematics platform, so it excels at work orders, PM, inspections, parts and repair-shop cost control.

Best fit
Heavy-duty truck and trailer repair shops (commercial diesel service providers) and fleets that run their own in-house heavy-duty maintenance shops.
Pricing visibility
Custom quote
Source check
July 17, 2026
Open full research profile →
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At a glance

How MaintainX and Fullbay line up, side by side. Rows where they differ are highlighted.

Feature MaintainX logoMaintainX Fullbay logoFullbay
Capterra rating4.8/5 (1,051)4.6/5 (97)
Starting priceFree plan; paid from $20/user/moCustom quote
Best forMixed fleets run by maintenance teams that also service shop equipment and facilities, and want a mobile-first work-order CMMS rather than a GPS-first fleet platform.Heavy-duty truck and trailer repair shops (commercial diesel service providers) and fleets that run their own in-house heavy-duty maintenance shops.
Preventive maintenance✓✓
Work orders✓✓
Inspections & DVIR✓✓
Parts inventory✓✓
Fuel tracking——
Native GPS tracking——
Asset management✓✓
Compliance✓✓
01

Which product fits which kind of fleet?

This is a fit comparison, not a universal winner. A tool built for an enterprise fleet with native telematics is not the same as one built for a small in-house shop. Validate the decisive maintenance workflow and total contract cost in both demos.

MaintainX logo

MaintainX

Start here when: Mixed fleets run by maintenance teams that also service shop equipment and facilities, and want a mobile-first work-order CMMS rather than a GPS-first fleet platform..

Pricing visibility
Free plan; paid from $20/user/mo
Research position
A strong fit for maintenance-led operations that manage vehicles alongside equipment, but weaker as a dedicated fleet tool since fuel and vehicle-specific tracking come from integrations, not native modules.
Fullbay logo

Fullbay

Start here when: Heavy-duty truck and trailer repair shops (commercial diesel service providers) and fleets that run their own in-house heavy-duty maintenance shops..

Pricing visibility
Custom quote
Research position
Genuine heavy-duty maintenance software, not pure telematics. Fullbay is repair-shop-management-first (work orders, PM, DOT inspections, parts) so all maintenance facets apply. It has no native GPS/telematics hardware and no built-in fuel-card/fuel-tracking module, so those facets are false. Best fit for commercial heavy-duty repair shops and fleets operating their own diesel shops; a company only wanting vehicle GPS tracking should look elsewhere.
02

External review evidence

Ratings are kept separate because software directories, app stores and company-location reviews measure different experiences.

Swipe horizontally to compare both products →

Review platformMaintainXFullbay
Capterra4.8/51,051 reviewsChecked July 17, 2026 · open source ↗4.6/597 reviewsChecked July 17, 2026 · open source ↗

We do not calculate a single “reputation score.” Compare rating, volume, audience and recent themes at the original source.

03

Published capabilities to verify

These items come from vendor documentation. Treat them as a demo agenda, not proof of workflow quality.

MaintainX logo

MaintainX

  • Meter-based preventive maintenance triggered by mileage, engine hours, or usageAsk for a live workflow
  • Digital work orders with full asset history via QR/barcode scanningAsk for a live workflow
  • Mobile inspections and checklists with automated corrective work ordersAsk for a live workflow
  • Parts inventory management with low-stock alerts and purchase ordersAsk for a live workflow
  • Telematics integrations (Samsara, GPS providers) syncing odometer, engine hours, DVIR, and fault codes into work ordersAsk for a live workflow
  • Asset management across vehicles, heavy equipment, and facilitiesAsk for a live workflow
  • Procedures library, time and cost tracking, and advanced analyticsAsk for a live workflow
  • REST API access and CoPilot/AI features on higher tiersAsk for a live workflow
Fullbay logo

Fullbay

  • Full service/work-order workflow with automatic technician labor-hour trackingAsk for a live workflow
  • Preventive maintenance and DOT inspection scheduling with guided inspection itemsAsk for a live workflow
  • Parts management: authorize, order, ship, and track inventory across shops and mobile trucksAsk for a live workflow
  • Per-unit service history and asset records with VIN lookupAsk for a live workflow
  • Invoicing/billing with QuickBooks integration and customer portalAsk for a live workflow
  • Fullbay AI features (Pro and Elite tiers) and real-time reportingAsk for a live workflow
04

Buyer fit, strengths and cautions

Research interpretation based on current positioning and official documentation—not a substitute for implementation references.

MaintainX logo

MaintainX

A strong fit for maintenance-led operations that manage vehicles alongside equipment, but weaker as a dedicated fleet tool since fuel and vehicle-specific tracking come from integrations, not native modules.

Potential strengths

  • Excellent, highly rated mobile app that frontline technicians actually adopt
  • Free tier plus a low entry price make it easy to start
  • Strong telematics integrations (e.g., Samsara) turn DVIRs and fault codes into automated work orders
  • Unified CMMS for vehicles, shop equipment, and facilities in one system
  • Robust parts inventory and purchase-order workflow on Premium

Cautions to validate

  • No native fuel tracking or fuel-card import; must be handled outside the platform
  • Vehicle-specific features (DVIR, meter sync) depend on third-party telematics integrations
  • Meter-based telematics syncing is gated to the Enterprise plan
  • Reporting and analytics are cited by reviewers as weaker areas
  • Premium and Enterprise pricing climbs quickly for larger teams
Fullbay logo

Fullbay

Genuine heavy-duty maintenance software, not pure telematics. Fullbay is repair-shop-management-first (work orders, PM, DOT inspections, parts) so all maintenance facets apply. It has no native GPS/telematics hardware and no built-in fuel-card/fuel-tracking module, so those facets are false. Best fit for commercial heavy-duty repair shops and fleets operating their own diesel shops; a company only wanting vehicle GPS tracking should look elsewhere.

Potential strengths

  • Purpose-built for heavy-duty/diesel repair shops with a deep, guided service-order workflow
  • Strong preventive-maintenance, DOT-inspection and parts-inventory capabilities
  • Highly rated customer support (4.8/5 for customer service on Capterra) and QuickBooks integration

Cautions to validate

  • No native GPS/telematics or fuel tracking, so it is not a substitute for a fleet-tracking platform
  • Extra charges for additional users and data migration can raise cost for smaller shops
  • Reporting is reported as limited compared with dedicated accounting tools like QuickBooks
05

Source register

Open the evidence directly. Dates describe our last check, not a promise that the vendor page has remained unchanged.

06

Run the same demo with both vendors

A fair comparison uses identical data and workflow scenarios.

  1. PM-to-work-order: Set a preventive-maintenance schedule by mileage and engine hours, then confirm a due service opens a work order automatically.
  2. Inspection defect: Complete a mobile DVIR with a failed item and follow the defect through to a closed repair without re-keying.
  3. Parts & cost: Add parts and labor to a work order, then produce a cost-per-vehicle and downtime report.
  4. Meter capture: Import odometer or engine-hour data from a fuel card or telematics integration and confirm PM stays accurate.
  5. Exit test: Export vehicles, service history, parts and inspection records in documented formats.
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Keep one product fixed and compare the alternatives against the same evidence framework.

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