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Head-to-head · Bill of Materials Software

OpenBOM vs PartsBox

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score OpenBOM #14 in Bill of Materials Software 7.8/10 Free plan · 14-day trial Free planFree trial✓ 5 of 5 features Visit OpenBOM
PartsBox #24 in Bill of Materials Software 6.8/10 Free plan · 14-day trial Free planFree trial✓ 3 of 5 features Visit PartsBox

OpenBOM leads on 1 check, PartsBox on 0, and 5 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreOpenBOM · 7.8/10
  • Free planboth
  • Free trialboth
  • Most featuresOpenBOM · 5 of 5

OpenBOM scores higher on our rubric for bill of materials software: 7.8 against 6.8 out of 10; our editors rank them #14 and #24.

OpenBOM offers change workflows; PartsBox doesn't.

OpenBOM is the better fit for teams needing complete cloud BOM control. PartsBox is the better fit for electronics teams running production builds.

  • OpenBOM fits best

    Teams needing complete cloud BOM control

  • PartsBox fits best

    Electronics teams running production builds

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature OpenBOM 7.8/10 Visit ↗ PartsBox 6.8/10 Visit ↗
At a glance
Editor score 7.8 6.8
Ranking #14 in Bill of Materials Software #24 in Bill of Materials Software
Best for Teams needing complete cloud BOM control Electronics teams running production builds
Pricing model Free plan + paid Free plan + paid
Starting price $25/seat/mo —
Free plan ✓ ✓
Free trial 14 days 14 days
Free trial length 14 days · no card needed 14 days · no card needed
Deployment Cloud, Browser extension Cloud
Platforms Web Web
Support Email, Phone, Tickets, Community, Docs Email, Docs
Integrations 19 integrations 4 integrations
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market
Features OpenBOM 5/5 · PartsBox 3/5
Revision control ✓ ✓
Multi-level BOMs ✓ ✓
BOM comparison ✓ (best) Not checked yet
Change workflows ✓ (best) —
Inventory integration ✓ ✓
Specs
Deployment Cloud Cloud
Max BOM levels Not checked yet Not checked yet
Our review
Pros
  • Multi-level BOMs, revisions, comparisons, and change approvals
  • Inventory, RFQs, purchase orders, and supplier collaboration
  • CAD, ERP, PDM, PLM integrations plus a REST API
  • Imports BOMs from KiCad, Altium, EAGLE, CSV, and other CAD exports
  • Combines inventory, purchasing, production, traceability, and barcode tools
  • Supports multi-level assemblies, lot control, serial numbers, and audit trails
Cons
  • Enterprise pricing is custom
  • CAD Add-ins are priced per seat and CAD system
  • Advanced CAD and change controls require the Company plan
  • Paid plans start at €49 per month when billed annually
  • Change workflows are not provided
  • Hosted-only, with no self-hosted version
Our verdict

OpenBOM is a browser-based product data platform for engineering, manufacturing, procurement, and operations teams. It brings together item catalogs, multi-level bills of materials, flattened BOM views, revision history, CAD files,…

Read the review →

PartsBox is a hosted application for companies and individuals that build electronic products. It brings together component inventory, storage locations, BOM imports, BOM pricing, purchasing, production builds, sub-assemblies, lot…

Read the review →
  1. OpenBOMBill of Materials Software 7.8Free plan · 14-day trial
  2. PartsBoxBill of Materials Software 6.8Free plan · 14-day trial

Strengths and trade-offs

  • OpenBOM — where it wins

    • Multi-level BOMs, revisions, comparisons, and change approvals
    • Inventory, RFQs, purchase orders, and supplier collaboration
    • CAD, ERP, PDM, PLM integrations plus a REST API

    Where it doesn't

    • Enterprise pricing is custom
    • CAD Add-ins are priced per seat and CAD system
    • Advanced CAD and change controls require the Company plan
  • PartsBox — where it wins

    • Imports BOMs from KiCad, Altium, EAGLE, CSV, and other CAD exports
    • Combines inventory, purchasing, production, traceability, and barcode tools
    • Supports multi-level assemblies, lot control, serial numbers, and audit trails

    Where it doesn't

    • Paid plans start at €49 per month when billed annually
    • Change workflows are not provided
    • Hosted-only, with no self-hosted version
  • OpenBOM7.8/10 · Free plan · 14-day trial

    A broad cloud BOM workspace for engineering, manufacturing, procurement, and operations teams.

    Visit OpenBOMFull verdict →
  • PartsBox6.8/10 · Free plan · 14-day trial

    Broad electronics BOM coverage, with higher tiers for production and compliance.

    Visit PartsBoxFull verdict →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update