fribble vs ChessAtlas

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

fribble compared with ChessAtlas
Detail	fribble	ChessAtlas
What it does	Daily puzzle games	Free chess opening trainer with spaced repetition
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Not given	Not given
Key features	Mini Crossword puzzle game Word Shift puzzle game Nine Grid puzzle game Word Hive puzzle game Number Rush puzzle game Sudoku puzzle game Customizable pal companion Puzzle streak tracking Medal and achievement system Archive of past puzzles	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
What makes it different	Ten new daily puzzles every day Eleven different puzzle game types Customizable pal character with unlockable cosmetics Over 900 archived puzzles with subscription Early access to beta games for members	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
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)	Not checked yet no change since last check	10 +1 (up) since last check
Trust Flow (Majestic)	0	22
Citation Flow (Majestic)	8	24
Referring domains (Majestic)	63	34

4 details filled in for both companies.