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Head-to-head · Product Data Management Software

OpenBOM vs MechWorks PDM

  • Updated Sep 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score OpenBOM #4 in Product Data Management Software 7.4/10 Free plan · paid from $30/user/mo (annual) · 14-day trial Free plan✓ 1 of 3 features Visit OpenBOM
MechWorks PDM #5 in Product Data Management Software 7.1/10 Pricing on request ✓ 2 of 3 features Contact MechWorks

OpenBOM leads on 1 check, MechWorks PDM on 1, and 1 is even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreOpenBOM · 7.4/10
  • Free planonly OpenBOM
  • Most featuresMechWorks PDM · 2 of 3

OpenBOM scores higher on our rubric for product data management software: 7.4 against 7.1 out of 10; our editors rank them #4 and #5.

OpenBOM offers free plan; MechWorks PDM doesn't publish it. MechWorks PDM offers approval workflows; OpenBOM doesn't publish it. On deployment, MechWorks PDM gives you Both where OpenBOM offers Cloud.

OpenBOM is the better fit for SMB teams wanting BOM and change management value. MechWorks PDM is the better fit for teams needing configurable traditional PDM.

  • OpenBOM fits best

    SMB teams wanting BOM and change management value

  • MechWorks PDM fits best

    Teams needing configurable traditional PDM

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. It never changes our verdict. How we rank.

Side by side

Feature OpenBOM 7.4/10 Visit ↗ MechWorks PDM 7.1/10 Visit ↗
At a glance
Editor score 7.4 7.1
Ranking #4 in Product Data Management Software #5 in Product Data Management Software
Best for SMB teams wanting BOM and change management value Teams needing configurable traditional PDM
Pricing model Free plan + paid Paid
Starting price $30/user/mo Not published
Free plan ✓ (best) Not published
Free trial — —
Deployment Cloud, Browser extension Cloud, Self-hosted
Platforms Web Windows, Web
Integrations 19 integrations 8 integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features OpenBOM 1/3 · MechWorks PDM 2/3
CAD file viewing Not published Not published
Revision control ✓ ✓
Approval workflows Not published ✓ (best)
Specs
CAD integrations Not published SolidWorks, Solid Edge, Inventor, AutoCAD, BricsCAD, DraftSight
Storage limit Not published Not published
Deployment Cloud Both
Our review
Pros
  • Multi-level BOMs, revisions, comparisons, and approval workflows
  • Inventory, procurement, RFQs, and purchase orders in one workspace
  • REST API plus broad CAD, ERP, PDM, and PLM integrations
  • Tracks revisions, approvals, and document check-in/check-out.
  • Connects with major CAD tools and Microsoft Office.
  • Generates BOMs and supports sharing data across office branches.
Cons
  • Centers on BOM operations rather than deep file-centric PDM
  • Enterprise pricing is custom rather than published
  • Costs reflect editor seats and product-data records
  • Pricing is sales-led rather than published.
  • CAD integrations and service details emphasize Windows environments.
  • Its broad PDM scope may exceed teams seeking a narrow file workflow.
Our verdict

OpenBOM is a browser-based product data platform for engineering, manufacturing, procurement, and operations teams. It organizes item catalogs, multi-level bills of materials, revisions, change requests, change orders, approvals, CAD…

Read the review →

MechWorks PDM manages CAD files and related product data across design and revision lifecycles. Its feature set suits engineering teams that need controlled document changes, approvals, and structured access to product information, from…

Read the review →
  1. OpenBOMProduct Data Management Software 7.4Free plan · paid from $30/user/mo (annual) · 14-day trial
  2. MechWorks PDMProduct Data Management Software 7.1Pricing on request

Strengths and trade-offs

  • OpenBOM — where it wins

    • Multi-level BOMs, revisions, comparisons, and approval workflows
    • Inventory, procurement, RFQs, and purchase orders in one workspace
    • REST API plus broad CAD, ERP, PDM, and PLM integrations

    Where it doesn't

    • Centers on BOM operations rather than deep file-centric PDM
    • Enterprise pricing is custom rather than published
    • Costs reflect editor seats and product-data records

  • MechWorks PDM — where it wins

    • Tracks revisions, approvals, and document check-in/check-out.
    • Connects with major CAD tools and Microsoft Office.
    • Generates BOMs and supports sharing data across office branches.

    Where it doesn't

    • Pricing is sales-led rather than published.
    • CAD integrations and service details emphasize Windows environments.
    • Its broad PDM scope may exceed teams seeking a narrow file workflow.
  • OpenBOM7.4/10 · Free plan · paid from $30/user/mo (annual) · 14-day trial

    BOM-focused product data management with change control, inventory, and CAD connectivity.

    Visit OpenBOMFull verdict →
  • MechWorks PDM7.1/10 · Pricing on request

    Configurable PDM for CAD revision control, approvals, and branch data sharing.

    Contact MechWorksFull verdict →

More comparisons

All product data management software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update