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Onshape combines cloud CAD and PDM, and its listing starts at $125 with a free plan. But Reddit users disagree about its assembly workflow: some praise it, while others report problems with large assemblies and in-context modeling. The right replacement depends on what you need to change. Fusion 360 targets design and manufacturing teams; FreeCAD is listed as free and unrestricted; SOLIDWORKS is aimed at professional parts and assembly design. Here are six options and the compromises to check.
01Why people leave Onshape
Assembly workflows draw complaints
One thread describes assembly-level modeling as painful and Onshape as poor for large assemblies. Other users say assemblies work well, so this is a reported fit issue, not a consensus.
Circular references can be risky
A commenter reports circular references went unchecked and caused a part to grow after each context update. That's a serious concern from one account, not evidence of a universal problem.
Some tools feel limited to users
One professional user calls Onshape's sheet metal and FEA bare minimum versus SOLIDWORKS. Other commenters praise its collaboration and versioning, so the tradeoff depends on your work.
02The alternatives, ranked by fit
- Design and manufacturing
Fusion 360Fusion 360Fusion 360 is the clearest lower-priced listed option for teams combining design and manufacturing: its listing starts at $56.67 and includes a free plan, versus Onshape's $125 starting price and free plan. It also targets hobbyists within personal-use limits and eligible startups. Consider it when price and CAD/CAM coverage drive the switch.
Trade-off: Its cloud workflow and reported stability issues may not suit your work.
7.3/10from
$56.67/mofree plan - Professional assemblies
SOLIDWORKSSOLIDWORKSSOLIDWORKS is a direct candidate if you want professional parts and assembly design. Its listing also calls out teams sharing a workstation and makers under the revenue limit, with a starting price of $2. Reddit comments about moving between it and Onshape are mixed, so weigh those reports against your own assembly and modeling needs.
Trade-off: Check license terms and expect possible friction around Maker logins.
6.8/10from
$2/mo - Free unrestricted CAD
FreeCADFreeCADFreeCAD is listed as free and unrestricted, making it a fit if subscription costs or plan limits are why you're leaving. Its listing targets budget-conscious users and people willing to learn new workflows. Onshape also has a free plan, but its listed fit is hobbyists making public, non-commercial projects.
Trade-off: The listing flags quirks and a learning curve.
7.0/10from
Freefree plan - CAD, CAM and PCB
Autodesk FusionAutodesk FusionAutodesk Fusion is worth considering if your work spans CAD, CAM and PCB tools: its listing describes broad CAD-to-manufacturing coverage and a free option. The paid price is not published, so compare the actual plan and workflow you need before switching from Onshape's listed $125 starting price.
Trade-off: Paid pricing is not published, and some workflow limits need scrutiny.
7.8/10from
Freefree plan - DWG-based drafting
AutoCADAutoCADAutoCAD fits a different reason for leaving: its listing targets teams working in DWG, precise 2D technical drafting and users who need specialized CAD toolsets. It starts at $175 and has a free plan. Choose it when those drafting needs matter more than matching Onshape's shared cloud CAD workflow.
Trade-off: The listing says price or workflow may make it a poor fit.
6.5/10from
$175/mofree plan - 3D design and documentation
SketchUpSketchUpSketchUp may fit if your priority is 3D design and 2D documentation rather than the assembly workflows that prompted your search. Its listing also points to model sharing for review and extensions for professionals. It has a free plan and a listed starting price of $2.5.
Trade-off: The desktop workflow comes with a meaningful annual bill.
6.8/10from
$2.50/mofree plan
03Side by side
| Tool | Score | From | Free plan | Best for |
|---|---|---|---|---|
 Onshape Onshape (current) | 6.8 | $125/mo | Yes | Teams that need shared CAD workflows |
| Fusion 360 Fusion 360 | 7.3 | $56.67/mo | Yes | Product teams combining design and manufacturing |
| SOLIDWORKS SOLIDWORKS | 6.8 | $2/mo | No | Professional parts and assembly design |
| FreeCAD FreeCAD | 7.0 | Free | Yes | Budget-conscious CAD users |
| Autodesk Fusion Autodesk Fusion | 7.8 | Free | Yes | Hobbyists learning functional CAD |
| AutoCAD AutoCAD | 6.5 | $175/mo | Yes | Teams working in DWG |
| SketchUp SketchUp | 6.8 | $2.50/mo | Yes | Designers who need 3D and 2D documentation |
Questions people ask
Why do people leave Onshape?
Reddit users report different sticking points, including assembly-level modeling, large assemblies, circular references and limits they perceive in sheet metal and FEA. Other commenters praise collaboration, versioning and the cloud workflow. Treat these as individual experiences, not a settled verdict on the software.
Is SOLIDWORKS better for assemblies?
The Reddit accounts provided don't agree. One commenter calls Onshape assembly-level modeling painful, while others say assemblies work well and describe handling very large assemblies. SOLIDWORKS is listed for professional parts and assembly design, but the published material doesn't establish that it will be better for your specific project.
Which Onshape alternative is free?
FreeCAD is listed as free and unrestricted. Onshape also has a free plan, with its listed best fit being hobbyists making public, non-commercial projects. Fusion 360, AutoCAD, SketchUp and Autodesk Fusion are also listed with free plans; check each listing for the workflow and limits relevant to you.