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PlanSnapper vs HOVER: Which Is Better for Property Measurement?
HOVER and PlanSnapper both measure properties, but they solve fundamentally different problems. HOVER uses photos taken around the exterior of a building to generate a 3D model for exterior measurements -- primarily used by roofing and siding contractors. PlanSnapper uses an existing floor plan image to calculate interior gross living area (GLA) for appraisers, agents, and investors. Here is how they compare.
The short version
- HOVER: A mobile-first photogrammetry tool that creates 3D property models from smartphone photos of the exterior. Built for roofing, siding, and insurance estimates. Measures exterior dimensions, roof pitch, and surface areas. Not designed for interior floor plan GLA calculation.
- PlanSnapper: A browser-based tool for uploading an existing floor plan -- PDF or image -- and tracing the perimeter to calculate ANSI Z765-compliant GLA. Built for appraisers, real estate agents, and anyone who needs interior square footage from a floor plan.
PlanSnapper vs HOVER: at a glance
| PlanSnapper | HOVER | |
|---|---|---|
| Primary use case | Interior GLA from floor plan images | Exterior 3D modeling for contractor estimates |
| How it captures data | Upload an existing floor plan (PDF, photo, export) | Walk around property taking phone photos |
| ANSI Z765 GLA | Yes (interior perimeter, above/below grade) | No (exterior 3D model, not floor plan GLA) |
| Requires on-site visit | No (works from any to-scale floor plan) | Yes (photos must be taken at the property) |
| Exterior measurements | Limited (derived from floor plan scale) | Yes (primary feature) |
| Roof pitch and area | No | Yes |
| Works from CubiCasa / Matterport exports | Yes | No |
| Platform | Browser (any device) | Mobile app + web dashboard |
| Pricing | $9 day pass / $29/mo | Per-property reports (~$10-25+ each) |
| Target user | Appraisers, real estate agents, investors | Roofing contractors, siding companies, insurers |
What HOVER does well
HOVER's photogrammetry technology is genuinely impressive. Walk around a house taking overlapping smartphone photos, and HOVER's AI stitches them into an accurate 3D model with roof pitch, wall dimensions, window and door placements, and surface area calculations. For roofing and siding contractors, this eliminates the need to climb on a roof to measure -- a meaningful safety and efficiency improvement.
Insurance companies use HOVER for property condition documentation. The 3D model provides a detailed, defensible record of a property's exterior at a specific point in time.
Where HOVER falls short for real estate and appraisal work
- Does not calculate interior GLA. HOVER builds a 3D exterior model. It does not produce a floor plan or measure interior square footage in the way ANSI Z765 defines GLA. For residential appraisals, you need interior perimeter measurements separated by grade level -- that is not what HOVER delivers.
- Requires a property visit. You have to be at the property to use HOVER. If you have a floor plan from CubiCasa, Matterport, or an MLS listing and just need to calculate GLA from it, HOVER cannot help.
- Per-report cost model. HOVER charges per property, which works for contractors doing occasional estimates but adds up quickly for appraisers or agents processing multiple properties daily.
- Not appraisal software. HOVER does not integrate with appraisal form software or produce output formatted for USPAP-compliant reports.
Where PlanSnapper wins for appraisers and agents
- Works from any floor plan you already have. No property visit needed. If the MLS package includes a CubiCasa scan or the client emails a Matterport export, you upload it and have GLA in under 2 minutes.
- ANSI Z765-compliant output. PlanSnapper measures exterior perimeter area from the floor plan, separated by grade level -- exactly the methodology ANSI Z765 and Fannie Mae require. HOVER is not designed to produce this output.
- Predictable pricing for regular users. At $29/month unlimited, PlanSnapper makes more sense for appraisers and agents doing multiple properties than paying per-report.
Which should you use?
Use HOVER if: You are a roofing contractor, siding company, or insurance professional who needs 3D exterior models and surface area calculations from property photos. HOVER is excellent for what it does.
Use PlanSnapper if: You are a residential appraiser, real estate agent, or investor who needs to calculate ANSI-compliant GLA from an existing floor plan. PlanSnapper is built for exactly that workflow.
Already have the floor plan?
Upload any floor plan PDF or image and calculate ANSI Z765-compliant GLA in minutes. Works with CubiCasa, Matterport, iGUIDE exports, and any floor plan image.
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