Kapsula vs Astar

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

Kapsula compared with Astar
Detail	Kapsula	Astar
What it does	Run AI-made HTML, JavaScript or TypeScript tools on Android and iPhone	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 demo included. Kapsula Pro: 7-day free trial, then monthly subscription or one-time lifetime purchase. Prices shown in app.	Not given
Key features	Run single HTML, JavaScript or TypeScript file Edit code while keeping project data OS notifications that fire when app is closed Per-project local storage Copy code errors for AI assistant Sound and vibration control Sandboxed execution No account or cloud required Works on Android and iOS	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	Alarms actually fire even when app is closed, not just JavaScript timers No server, sign-up or account needed State persists across app updates Direct AI code execution without build process	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)	0	0
Citation Flow (Majestic)	23	12
Referring domains (Majestic)	7	13

4 details filled in for both companies.