Real estate developers evaluating sites pre-acquisition; architecture firms doing rapid feasibility for developer clients; investment committees needing back-of-envelope unit counts and construction estimates.
Design-development phase work (feasibility tool, not a BIM platform); residential single-family (use Higharc); custom one-off building typologies.
What is TestFit?
TestFit is a real-estate-feasibility AI used by developers and architects to test what can be built on a given site. Plug in a parcel, set program (multifamily, hotel, parking, retail), and TestFit generates dozens of viable configurations with unit counts, parking ratios, and construction cost estimates in real time. Used by 1,000+ developers including JPI, Greystar, and Trammell Crow.
Key features
Integrations
What people actually pay
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Before you buy TestFit
Vendors don't tell you about their competitors. We do — with verdicts attached when we have them.
What TestFit actually costs
Sticker price isn't the real cost. We add implementation, training, and a probability-weighted lock-in penalty.
When to negotiate TestFit
Vendor sales pressure is non-uniform — quarter-close, year-end, and post-funding-round are your high-leverage windows.
Strong negotiation window. Reps will push for end-of-quarter signature. Don't move first — let them initiate the discount. Target 15-30% off list plus negotiated terms.
Take this to your sales call
10 questions vendor sales teams steer around — generated from TestFit's pricing tier, lock-in profile.
- 1PRICINGTestFit is enterprise-tier — list pricing is rarely what enterprises actually pay. What's your typical discount on a 3-year commit paid annually upfront, and what's the smallest enterprise contract you've signed in the last 90 days?
- 2CONTRACTWhat's the year-2 and year-3 renewal price escalation cap if we sign a multi-year? Will you commit to a fixed cap in writing?
- 3CONTRACTAuto-renewal: how many days notice is required to terminate, and what happens if we miss the window? Will you commit to a renewal-reminder email at 90 and 60 days?
- 4MIGRATIONData export: what's the complete spec — format, frequency, and what data does the export NOT include? After contract end, how long do we have read-only access?
- 5MIGRATIONImplementation runs days. Who from your team is included by default, and who do we add at additional cost? Is a CSM assigned?
- 6FITConnect us with 2-3 reference customers at our company size in Real Estate — not the case-study list, customers who've been live for 18+ months.
- 7INTEGRATIONTestFit lists 3 integrations including Revit, AutoCAD, Excel. Which of OUR existing tools — bring our list — have you confirmed shipping integration with versus "on roadmap"? Show me the actual status.
- 8VENDORTrack record over the last 18 months: any pricing model changes, executive departures, layoffs, M&A activity, or material customer churn we should know about?
- 9VENDORIf you're acquired or shut down, what's the contractual continuity — source-code escrow, data portability, transition period? Show me the actual clause.
- 10CONTRACTService level: what's the SLA on uptime, support response, and feature delivery? What's the financial remedy when you miss?
What to actually test in the demo
Vendor sales teams script demos to maximize close rate. Here's what they'd rather you not test — derived from TestFit's lock-in profile.
- 1PERFORMANCEBring YOUR data, not their demo data. Insist on running the demo workflow against a sample of your real records, files, or queries. If they refuse — that's a signal.
- 2PERFORMANCETestFit demo will be built around the happy path. Ask: "Show me what happens when [the most common failure mode in our context]" — make them improvise.
- 3EDGE CASESPush the limits live: largest dataset, longest workflow, most users concurrent. Vendors prep demos for medium loads — your real-world usage might 10x what they show.
- 4EDGE CASESMobile and offline behavior: how does TestFit degrade on slow connections, on iPad, in airplane mode? Test in the demo if your team uses these surfaces.
- 5PRICINGWalk through the actual line items on a sample contract — not the marketing pricing page. Implementation fees, professional services, mandatory training, support tier, overage rates. Get the full bill modeled.
- 6INTEGRATIONVendors love their integration logo wall. Test the actual depth: pick the 2-3 (Revit, AutoCAD-style) integrations you depend on most, and ask the rep to demo a real two-way data sync, not a marketing screenshot.
- 7INTEGRATIONAPI and webhook reality check: rate limits, payload size limits, retry behavior, auth refresh handling. Ask for actual API docs in the demo, not "we'll send those."
- 8MIGRATIONDemo the full data export workflow. Even with low lock-in, you want to see how clean the exit looks before signing.
- 9SUPPORTSubmit a real support ticket DURING the demo. Use the actual support channel customers use, not the rep's email. Time the response. This is your most honest data point about post-sale reality.
- 10SUPPORTAsk to be connected with a customer in the demo who you can email TODAY (not "we'll arrange a reference call next week"). The vendor's confidence in their references is a tell.
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