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MeshMarkup vs CoLab

Both put a 3D model in the browser and let other people comment on it. CoLab is a design review platform for product development and engineering teams, connected to CAD and PLM systems. MeshMarkup is for designers sending a model to a client and getting it signed off.

Checked against CoLab’s own site on 27 October 2026. Products change; follow the sources below before you decide.

Compared	MeshMarkup	CoLab
Built for	Designers, studios and shops sending models to clients	Product development and engineering teams, with suppliers and customers invited in
Reviewer access	One link. No account and nothing to install; they type their name once	A link opens CoLab’s browser CAD viewer. “No CAD license required to view and comment”
Notes	Pinned to the exact spot on the model, answered, resolved and carried to the next version	Feedback on the model, tracked as issues with an owner and a status
Sign-off	The client approves on the record, with their name and the date (Solo and up)	Its pages describe issue tracking but no formal client sign-off step
File formats	GLB, glTF, FBX, OBJ, STL, PLY, DAE, STEP, IGES, Rhino 3DM, 3MF and 3DS, plus JPG, PNG, WebP and PDF. Native SolidWorks, Creo or NX files need exporting to STEP first	“30+ CAD file types” (not listed on its site), with Creo, NX, SolidWorks, Windchill, Teamcenter and 3DEXPERIENCE integrations
Free plan	Yes: 3 new models every 30 days and 50 MB, with no time limit	Not mentioned on its site
Pricing	Free · Solo €29/month · Studio €89/month (5 seats) · Pipeline €249/month. Same numbers in US dollars; yearly gives two months free	Not published. You book a demo

Built for: MeshMarkupDesigners, studios and shops sending models to clients; CoLabProduct development and engineering teams, with suppliers and customers invited in
Reviewer access: MeshMarkupOne link. No account and nothing to install; they type their name once; CoLabA link opens CoLab’s browser CAD viewer. “No CAD license required to view and comment”
Notes: MeshMarkupPinned to the exact spot on the model, answered, resolved and carried to the next version; CoLabFeedback on the model, tracked as issues with an owner and a status
Sign-off: MeshMarkupThe client approves on the record, with their name and the date (Solo and up); CoLabIts pages describe issue tracking but no formal client sign-off step
File formats: MeshMarkupGLB, glTF, FBX, OBJ, STL, PLY, DAE, STEP, IGES, Rhino 3DM, 3MF and 3DS, plus JPG, PNG, WebP and PDF. Native SolidWorks, Creo or NX files need exporting to STEP first; CoLab“30+ CAD file types” (not listed on its site), with Creo, NX, SolidWorks, Windchill, Teamcenter and 3DEXPERIENCE integrations
Free plan: MeshMarkupYes: 3 new models every 30 days and 50 MB, with no time limit; CoLabNot mentioned on its site
Pricing: MeshMarkupFree · Solo €29/month · Studio €89/month (5 seats) · Pipeline €249/month. Same numbers in US dollars; yearly gives two months free; CoLabNot published. You book a demo

Choose CoLab if

you are an engineering team reviewing native CAD internally and with suppliers
you need the review connected to your PLM (Windchill, Teamcenter, 3DEXPERIENCE)
you are fine with a sales demo before you see a price

Choose MeshMarkup if

you send models to clients who just want to open a link
you need the client’s sign-off on the record
you want published prices, and to start free today

Try it free with your own model See pricing

Sources: CoLab: product overview · CoLab: multiplayer CAD viewer · CoLab: secure supplier collaboration

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