Comparisoft

Best Inventory Management Software for Auto Repair Shops in 2026

Parts inventory is where auto repair shops win or lose margin. Carrying too much ties up cash and invites obsolescence; too little means technicians wait on parts while lift time goes unbilled. Good shop management software tracks parts from the moment they're ordered to when they're installed on a vehicle — and every step in between: cores, returns, supplier pricing, and parts used per repair order. Here are the platforms that handle the reality of running a shop.

Last updated: 2026-04-23

#1

Tekmetric

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Cloud-based shop management system with integrated parts ordering, inventory tracking, and repair order management.

Why it fits this industry

Tekmetric connects parts inventory directly to repair orders and estimates. Technicians can look up parts, check inventory, and add them to an RO without leaving the system. Real-time parts ordering through integrations with major suppliers (WORLDPAC, AutoZone, O'Reilly) reduces phone calls and errors.

Pros

  • Integrated parts ordering from major suppliers
  • Inventory depletion tied to repair orders automatically
  • Parts returns and core tracking built in
  • Modern interface with strong mobile access

Cons

  • Newer platform — some edge case features still maturing
  • Pricing is per-location, adds up for multi-shop groups
  • Reporting customization is limited compared to legacy systems

Pricing: Starts at $199/month per location

Best for independent shops and small shop groups looking for a modern, cloud-native shop management system with solid parts inventory.

#2

Mitchell 1 Manager SE

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Industry-standard auto repair shop management software with parts inventory, labor guides, and estimating.

Why it fits this industry

Mitchell 1 has decades of adoption in the independent repair market. Manager SE combines parts inventory with integrated labor guides, estimating, and electronic parts ordering — with deep connections to Mitchell's ProDemand repair information database that technicians already know.

Pros

  • Industry-standard with broad technician familiarity
  • Integration with ProDemand repair database
  • Strong parts catalog and supplier ordering
  • Comprehensive reporting for shop KPIs

Cons

  • Interface looks dated compared to modern cloud tools
  • Primarily Windows-based, limited mobile functionality
  • Setup and training require investment upfront

Pricing: Starts at approximately $179/month

Best for established shops that want proven, mature shop management software with deep industry integration and wide technician familiarity.

#3

ShopWare

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Cloud shop management platform focused on customer experience and technician efficiency with integrated parts management.

Why it fits this industry

ShopWare's parts management ties directly to digital vehicle inspections and repair orders, enabling technicians to add recommended parts to an estimate from a tablet on the shop floor. Its focus on the customer approval workflow (with texted estimate approvals) reduces parts ordering delays.

Pros

  • Digital inspection to estimate to parts order in one flow
  • Customer approval via text speeds up parts authorization
  • Clean cloud interface with iPad-friendly technician view
  • Strong multi-location support

Cons

  • Parts inventory depth is secondary to the workflow/customer focus
  • Less mature than Mitchell 1 for parts catalog depth
  • Premium pricing compared to legacy systems

Pricing: Contact for pricing (typically $300-$500/month)

Best for shops prioritizing customer communication and digital workflow alongside parts management, especially multi-location operations.

#4

ROWriter

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Auto repair shop management software with strong parts inventory, matrix pricing, and parts markup management.

Why it fits this industry

ROWriter is particularly strong on parts pricing discipline — its matrix pricing tools let shops set markup rules by part cost tier, supplier, or category, ensuring parts margin targets are consistently hit. Integrated supplier ordering and inventory counts keep the parts room organized.

Pros

  • Sophisticated parts pricing matrix tools
  • Strong parts markup and margin management
  • Electronic ordering with major parts suppliers
  • Inventory count and reconciliation tools

Cons

  • Interface is older and less intuitive than modern alternatives
  • Less emphasis on customer-facing digital features
  • Customer support quality varies by region

Pricing: Contact for pricing

Best for shops that are serious about parts margin control and want granular pricing matrix rules to protect profitability.

Cloud shop management platform built specifically for heavy-duty and commercial truck repair shops.

Why it fits this industry

Commercial and fleet repair shops have different inventory needs than light-duty — parts are larger, more expensive, and often require special orders. Fullbay tracks parts inventory, purchase orders, and core returns specifically for the commercial truck repair workflow, with fleet billing and DOT inspection integrations.

Pros

  • Purpose-built for heavy-duty and commercial truck repair
  • Fleet billing and customer portal included
  • Parts inventory handles complex special orders
  • DOT inspection workflow integration

Cons

  • Not suitable for light-duty passenger vehicle shops
  • Pricing reflects commercial shop focus
  • Smaller ecosystem than mainstream light-vehicle platforms

Pricing: Starts at $299/month

Best for heavy-duty truck, fleet, and commercial vehicle repair operations that need shop management built for their specific parts and billing workflows.

Buyer's Guide

Auto repair shop inventory management is inseparable from shop management — parts are ordered for specific vehicles and repair orders, not for general stock replenishment (though both happen). When evaluating software, prioritize the depth of supplier integrations for electronic parts ordering, because manual phone-and-fax ordering is where errors and delays occur. Also look at core tracking, parts returns workflows, and how the system handles backordered parts on open repair orders. Matrix pricing tools matter more than most shops realize — without enforced markup rules, service writers may undercharge for parts under customer pressure. Finally, consider whether your technicians work from tablets on the floor or at desktop terminals, as this affects which platforms are practical to use.

Frequently Asked Questions

What is a parts matrix and why does it matter for shops?
A parts matrix is a pricing rule that sets markup percentages based on the cost of the part — for example, 80% markup on parts under $10, 50% on parts $10-50, and 40% on parts over $50. Without a matrix, service writers often apply inconsistent markups that erode margin. Software with built-in matrix pricing enforces these rules automatically on every repair order.
How do shop management systems handle core charges?
Cores (rebuildable parts like alternators, starters, and calipers) carry a deposit that is credited back when the old part is returned to the supplier. Good shop management software tracks cores on each repair order, reminds staff when cores need to be returned, and processes the credit properly in the parts purchasing records.
Should an auto repair shop maintain a physical parts inventory or order parts per job?
Most independent shops do both — stocking fast-moving commodities like filters, belts, and fluids while special-ordering less common parts per job. The decision depends on your repair mix, storage space, and cash position. Software helps identify which stocked parts are truly fast-moving versus which are tying up capital on the shelf.