Bookster vs Astar

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

Bookster compared with Astar
Detail	Bookster	Astar
What it does	Your Reading Companion	Name stars, leave notes, and find them again
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Free	Freemium
Pricing	Not given	Not given
Key features	Organize and manage book collections Search 40+ million books by title, author, or ISBN Set and track reading goals Discover bestsellers and recommendations Add books by scanning barcodes Organize books into unlimited collections Take and store reading notes	Name stars and leave notes Public or private note visibility 3D scene visualization Notes limited to 280 characters Likes and favorites Explore feed Automated profanity filtering
What makes it different	Barcode scanning for instant book addition Access to over 40 million books All-in-one book organization and reading tracking Free to download with no subscription required	Private personal night sky Free on iOS and Android Public and private note options
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)	21 no change since last check	29 no change since last check
Trust Flow (Majestic)	6	0
Citation Flow (Majestic)	24	12
Referring domains (Majestic)	30	13

4 details filled in for both companies.