Compare Any Vehicle
or Real Estate
See it in two minutes
One home, one car, and the certainty to choose
Watch rivval pull real government records, line your two options up side by side, and name the winner. No jargon, no guesswork.
The verdict
One clear winner, not a forty page PDF
rivval runs a multi factor comparison across price, location, risk and structure, then declares a winner with a confidence score and the reason in plain language.
- A definitive winner, trade offs summarized
- A confidence score you can actually read
- The one deal breaker that changes the decision
Scoring
Every angle scored, side by side
Price, location, environmental risk and structural health are each scored and weighted, so you see exactly where one option pulls ahead of the other.
- Category scores for each option
- A weighted composite rating
- No opinion, just the math
Real data
Straight from official government records
FEMA flood maps, USGS seismic hazards, EPA Superfund, FBI crime data and GreatSchools ratings, pulled live and normalized. Not a marketing summary.
- FEMA, USGS, EPA, FBI, GreatSchools
- Live federal data, not estimates
- The hazards a listing leaves out
Category winners
A winner called in every category
Down to the detail. Every key fact sits next to its match with the stronger option marked, so nothing hides in the fine print.
- Key facts lined up, one to one
- The winner marked in each row
- Every trade off visible at a glance
Cars, too
Not just homes. Cars, judged the same way.
Real NHTSA safety and recalls, reliability, the full five year cost of ownership and resale value, compared side by side with a final pick.
- NHTSA safety and open recalls
- True five year cost, not the sticker
- Which one holds its value
How rivval works
From two links to a decision in minutes. You do step one. rivval does the rest.
- 1
Paste your two links
Two homes or two cars. That is all we need to start.
- 2
Tell us what matters
Schools, commute, safety, budget. Weight it to your priorities.
- 3
We pull the official records
FEMA, NHTSA, USGS, EPA, FBI, GreatSchools and more, gathered and scored.
- 4
Get your verdict
A clear winner, a confidence score, and the reason in plain language.
A chatbot gives you a guess. rivval gives you the records.
You could paste two links into ChatGPT or Claude. It writes a confident summary from whatever it read online. It cannot pull the live government data that actually decides a purchase this size.
| Intelligence layer | Listing sitesZillow · Redfin · Cars.com | General AI toolsChatGPT · Claude · Gemini | rivvalOfficial records, side by side |
|---|---|---|---|
| How it compares | One listing at a time, in isolation | A text answer, one thing at a time | Both options side by side, scored |
| Where the data comes from | The listing's own numbers | Whatever it scraped online, often stale | Live FEMA, NHTSA, USGS, EPA, FBI feeds |
| Hazards & safety | A basic flood map, or nothing | Describes risk in general terms | Verified flood, seismic, crime, recalls |
| Five year true cost | A mortgage estimate only | A rough ballpark, unverified | Taxes, HOA, insurance and equity, in full |
| Negotiation leverage | Public price history only | Generic advice | Offer targets and a leverage read |
| The bottom line | Browse and guess | A plausible summary you cannot verify | A verified winner, with the reason |
rivval is not another listing site and not a chatbot. It is a verification layer over official public records.