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Fashion · head to head

Lectra Modaris vs Sizebay

Lectra Modaris logo

Lectra Modaris

Fashion

Professional pattern making and 3D prototyping

From
$6000/one-time
Rated
-
Full reviewWebsite
Sizebay logo

Sizebay

Fashion

AI-powered sizing and fit recommendation platform

From
€250/month
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Lectra Modaris pricing structure not disclosed on website; enterprise software requiring direct sales contact; Sizebay no pricing information published on vendor website
  • They diverge on capability: Lectra Modaris covers 2D pattern design, Sizebay covers AI sizing.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Lectra Modaris and Sizebay actually diverge.

Attributes where Lectra Modaris and Sizebay differ
AttributeLectra ModarisSizebay
Starting price$6000/one-time€250/month
Pricing modelone-timesubscription
PlatformsWindowsWeb
Founded19732017

Identical on both: free tier (No), user rating (Not yet rated), category (Fashion).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Lectra Modaris

  • 2D pattern design
  • Automatic grading
  • 3D virtual prototyping
  • Fit validation
  • Fabric simulation
  • Pattern digitizing
  • Seam engineering
  • Costing tools

Only in Sizebay

  • AI sizing
  • Fit recommendations
  • Return analytics
  • Customer insights
  • Shopify
  • Magento
  • Encryption
  • Authentication

Both cover

  • Cloud deployment
  • English language support

What people use each for

The jobs each tool is most often brought in to do.

Lectra Modaris

  • Fashion 2D/3D pattern making and grading for apparel designnot Sizebay
  • Garment fit simulation and virtual prototype visualizationnot Sizebay
  • Cutting room optimization and fabric waste reductionnot Sizebay
  • Supply chain integration from design through manufacturingnot Sizebay
  • CAD pattern design with automation for collection developmentnot Sizebay

Sizebay

  • Sizingnot Lectra Modaris
  • Return reductionnot Lectra Modaris

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Lectra Modaris

  • Pricing structure not disclosed on website; enterprise software requiring direct sales contact
  • No information on per-license, per-seat, or subscription pricing models

Sizebay

  • No pricing information published on vendor website
  • Requires scheduling a demo to obtain pricing details
  • No public pricing tiers or subscription information disclosed

Pricing, plan by plan

Lectra Modaris

$6000/one-time
  • Modaris Expert$6000/one-time
    • 2D pattern design
    • Grading
    • Basic 3D preview
  • Modaris 3D Fit$12000/one-time
    • Everything in Expert
    • Full 3D prototyping
    • Fit validation
  • Enterprise Suite$undefined/year
    • Full platform access
    • PLM integration
    • Custom development

Sizebay

€250/month
  • Startup$250/month
    • AI sizing
    • Basic analytics
  • Professional$500/month
    • All features
    • Custom integration

Which should you pick?

Choose Lectra Modaris if

  • You need 2d pattern design.
  • You work on Windows.
  • You also want automatic grading.
Lectra Modaris review

Choose Sizebay if

  • You need ai sizing.
  • You also want fit recommendations.
Sizebay review

Questions people ask

Is Lectra Modaris or Sizebay better?
Neither clearly leads. Lectra Modaris starts at $6000/one-time and Sizebay at €250/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Lectra Modaris or Sizebay?
Lectra Modaris starts at $6000/one-time and Sizebay at €250/month.
Does Lectra Modaris or Sizebay run on more platforms?
Lectra Modaris runs on Windows. Sizebay runs on Web.
What is Lectra Modaris best used for?
Lectra Modaris is most often used for fashion 2d/3d pattern making and grading for apparel design, garment fit simulation and virtual prototype visualization, cutting room optimization and fabric waste reduction, supply chain integration from design through manufacturing. Of those, fashion 2d/3d pattern making and grading for apparel design and garment fit simulation and virtual prototype visualization are not what Sizebay is typically brought in for.
What can Lectra Modaris do that Sizebay cannot?
Lectra Modaris covers 2D pattern design, Automatic grading, 3D virtual prototyping, Fit validation. Sizebay covers AI sizing, Fit recommendations, Return analytics, Customer insights. Both handle Cloud deployment, English language support.

Answered from the vendors’ own pages

Lectra Modaris: What does Lectra Modaris cost?

Lectra does not publish Modaris pricing on its website. The vendor sells professional design software through direct enterprise sales channels.

Source
Sizebay: How much does Sizebay cost?

Sizebay does not publish pricing information on its website. To obtain pricing, customers must schedule a demo or contact regional offices in North America, Europe, Latin America, or other regions via email to discuss pricing and implementation details.

Source
Lectra Modaris: Does Lectra offer cloud-based Modaris access?

Lectra describes its Gerber Yunique solution for virtual collaboration but does not publish pricing or subscription costs on the website.

Source
Sizebay: What is Sizebay's pricing model?

Sizebay operates with a custom pricing model determined through direct vendor consultation. The company provides solutions tailored to specific business needs, with pricing discussed during demo scheduling or regional office contact.

Source
Lectra Modaris: What licensing model does Lectra use for its fashion software?

Lectra does not disclose licensing models, per-user fees, or annual subscription rates for Modaris or related products on its website.

Source
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