ONUMA Medical Planner alternatives
If ONUMA Medical Planner is not the fit, the strongest conceptual massing alternatives here are Rhino 3D, Autodesk Forma Site Design, and Blender. Rhino 3D brings from $995, API agent access, 3DM, DWG, DXF, IFC formats. Autodesk Forma Site Design brings Subscription, API agent access, IFC, RVT, glTF formats. Blender brings Free tier + from $0, CLI / API agent access, BLEND, FBX, OBJ, glTF formats.
This page compares every reviewed same-sub-category peer for ONUMA Medical Planner, using the same verdict, score, pricing, agent-access, and format signals as the main hub.
Last updated 2026-07-13.
Conceptual Massing alternatives comparison
| Tool | Verdict | Composite | Price signal | Agent access | Key formats |
|---|---|---|---|---|---|
| Rhino 3D Best long-term value for complex massing or parametric work: $995 once with no subscription, Grasshopper bundled for visual scripting, and native DWG/IFC export -- cheaper than two years of SketchUp Pro for a tool that lasts a decade. | Worth it | 4.2 | from $995 | API | 3DM, DWG, DXF, IFC |
| Autodesk Forma Site Design Built for large urban and campus-scale massing with an Autodesk ACC stack -- microclimate and site analysis shine on big sites, but the feature set is more than smaller residential or commercial projects require. | Solid | 3.8 | Subscription | API | IFC, RVT, glTF |
| Blender Free forever and Python-scriptable from the command line -- worth it if you need photorealistic renders without a V-Ray bill or want parametric massing via Geometry Nodes, but expect a steep learning curve compared with SketchUp. | Solid | 3.8 | Free tier + from $0 | CLI / API | BLEND, FBX, OBJ, glTF |
| SketchUp The de-facto starting point for architectural massing -- $399/yr Pro unlocks IFC export, LayOut for 2D documents, and 1,000+ extensions; the web-only Go plan at $129/yr covers basic conceptual modeling. | Worth it | 3.6 | from $129 | API | SKP, DWG, DXF, IFC |
| Skema Solid (3.6/5) generative-design tool that reuses a firm's own prior Revit designs to auto-generate schematic layouts in minutes, with transparent self-serve pricing from a free tier, but its vendor-claimed API/Grasshopper integration lacks public developer docs. | Solid | 3.6 | Free tier + from $199 | API | RVT, IFC |
| Giraffe A well-established (since 2018), self-serve urban planning and feasibility platform with transparent $45/mo Core pricing, free tier, and confirmed JavaScript SDK/API access for custom app development; strong named customers include Lendlease, Trammell Crow, HKS, Mortenson, and NSW Government per AEC Magazine. | Solid | 3.6 | Free tier + from $0 | API | IFC, DWG |
| Archistar Useful first-pass zoning and feasibility tool for property development consulting in AU or major US markets -- solid for early site screening, but not reliable for secondary markets or bespoke overlays. | Solid | 3.4 | Subscription | API | JSON |
| FreeCAD The only zero-cost desktop option with a real IFC-capable BIM workbench -- useful when budget is the binding constraint, but it just reached v1.0 after 20+ years in beta and still demands significant self-directed learning with community-only support. | Solid | 3.4 | Free tier + from $0 | CLI / API | FCStd, STEP, IGES, IFC |
| TestFit Strong fit for multifamily feasibility work -- the generative unit-mix engine is faster than manual pro forma iteration, but the subscription is only justified if residential development is a regular part of the workload. | Solid | 3.2 | Subscription | None | DXF, CSV, glTF, SKP |
| Finch3D Focused on Scandinavian multi-family housing typologies -- the free plan lets you evaluate it risk-free, and the constraint-based optimizer is credible for residential layout work. | Solid | 3.2 | Free tier | None | RVT, 3DM |
| Shapr3D The best iPad-native option for architect site visits: Apple Pencil direct modeling, STEP and DWG export for BIM handoff, and a free 2-project Basic plan -- $299/yr Pro lifts the project cap and unlocks the full CAD format library. | Solid | 3.0 | Free tier + from $299 | None | STEP, DWG, OBJ, FBX |
| Maket.ai Cheap concept ideation on a freemium plan -- useful for showing clients early residential layout options, but every output needs substantial designer editing before it is buildable. | Situational | 2.2 | Free tier | None | DXF, DWG, PDF |
| Higharc A powerful homebuilding AI platform purpose-built for production builders -- named customers (Signature Homes, Ashlar Homes) report 15% margin increases, $30M ROI, and permit-ready plans in 2 weeks, but quote-only pricing and no public API mean the value proposition is only assessable through a sales conversation. | Situational | 2.2 | Quote-only | None |