ChatVault vs Astar

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

ChatVault compared with Astar
Detail	ChatVault	Astar
What it does	Archive WhatsApp chats with photos and voice notes	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	Freemium	Freemium
Pricing	Free version with optional one-time Pro unlock. No subscription.	Not given
Key features	Convert whole chats or select date ranges Play voice notes directly in browser Self-contained HTML archive format Tamper-evident archives with signatures Support for 5 languages Native iOS and Android apps Process media files and photos inline No account creation required	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	Privacy-first: everything stays on your device with no servers or tracking Voice notes converted to play in any browser One-time Pro unlock with no subscription Tamper-evident archives with cryptographic signing Flexible conversion: whole chat or custom date range	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)	Not checked yet no change since last check	29 no change since last check
Trust Flow (Majestic)	3	0
Citation Flow (Majestic)	7	12
Referring domains (Majestic)	2	13

4 details filled in for both companies.