ChessAtlas vs Shortee

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 Shortee
Detail	ChessAtlas	Shortee
What it does	Free chess opening trainer with spaced repetition	Play free arcade games, earn tokens, and watch short drama series
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	US
Pricing model	Freemium	Freemium
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	30+ arcade games Free with ads content Token-based episode unlocking Leaderboards and weekly tournaments Daily rewards Multiplayer arcade games Multiple drama genres
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	Integrated gaming and drama entertainment in one app Cross-platform token wallet across games and shows Creator ownership and monetization model Vertical video format optimized for mobile
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	2 +2 (up) since last check
Trust Flow (Majestic)	22	0
Citation Flow (Majestic)	24	0
Referring domains (Majestic)	34	0

4 details filled in for both companies.