ChessAtlas vs Imposter App

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

ChessAtlas compared with Imposter App
Detail	ChessAtlas	Imposter App
What it does	Free chess opening trainer with spaced repetition	A free social deduction party game you play with friends around one phone
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Free
Pricing	Not given	Not given
Key features	Spaced repetition with FSRS algorithm Repertoire builder Opening trainer with instant feedback Game import from Lichess and Chess.com Deviation detection Course library with opening courses iOS and Android mobile apps Multiple language support	No ads or pop-ups No accounts or sign-up required No internet connection needed Supports any number of players Quick rounds Privacy by design with no personal data collection
What makes it different	FSRS algorithm schedules reviews 15-30% more efficiently than SM2 Automatic deviation detection from Lichess and Chess.com games Full repertoire builder in free tier with no course purchase required	Completely free with no trial, premium tier, or locked features Designed for playing around one phone with no logins or downloads per player Nothing is stored or sent beyond the session
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	17 +1 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	22	0
Citation Flow (Majestic)	24	17
Referring domains (Majestic)	34	2

4 details filled in for both companies.