FOSOpen the app

Somebody should check that.

FOS reads what American politicians say, checks it against the record, and files an opinion — with every source we used, on every page.

Check a claimRead the latestNo account needed to read.

Six ways to be wrong

From Honest Abe to FOS. The scale is published, and so is what each rung means.

We show our work

Every determination lists every document we read. Disagree with the reasoning, not the vibes.

It is an opinion

We say so in the logo. The sourcing is what makes it worth anything.