The Housing Model vs CalcSpan

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

The Housing Model compared with CalcSpan
Detail	The Housing Model	CalcSpan
What it does	Rent vs buy planner showing which option you can afford based on your take-home pay, kids, childcare, cars and debts	Date, deadline and time calculators with visible assumptions and sources
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	US
Pricing model	Freemium	Free
Pricing	Free to build and edit your plan, no account required. The Housing Model Pass adds detailed results for $59 for 12 months, one payment with no automatic renewal and a 14-day refund.	Not given
Key features	Compare renting, buying now, buying later, and starter home then upgrade paths 30-year wealth comparison across housing paths Compare keeping current home as rental or buying a second home Plan retirement and early retirement with drawdown analysis Printable PDF report of your full plan and analysis	184 calculators across 53 categories Shows counting rules and assumptions with each result Local-first processing with no data sent to servers Holiday and weekend calendar selection Business day counting Date arithmetic (add or subtract days, weeks, months, years) Sleep cycle planner with NIH-based 80-100 minute cycles Time zone conversion with DST handling Save results as images or add to calendar Schengen visa 90/180 day rolling window auditing
What makes it different	Runs entirely in your browser with no data uploaded to servers All calculations performed locally on your device with inputs never sent to company servers Free to build and edit plans; pay only for detailed results and printable reports Built by a solo maker for his own rent-or-buy decision with automated math verification	Shows the source and counting rule beside every answer No sign-up or account required to use any calculator All inputs stay in your browser for privacy Comprehensive coverage across 53 life and work categories Higher-risk calculators include prompts to verify with professionals
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	6	0
Citation Flow (Majestic)	12	0
Referring domains (Majestic)	1	0

5 details filled in for both companies.

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