Kapsula vs Firsty

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 Firsty
Detail	Kapsula	Firsty
What it does	Run AI-made HTML, JavaScript or TypeScript tools on Android and iPhone	One eSIM for global mobile data in 180 countries
Stage	Not given	Not given
Founded	Not given	2023
Based in	Not given	NL
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.	Free plan: watch ads for up to 360 MB data daily (20 MB per ad). Classic: €0.98 per GB, covers 180 countries. Unlimited: €2 per day or committed monthly/yearly plans. Belgium local 15GB plan: €7/month or €6.50/month with yearly commitment.
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	Pay-per-GB plans starting at €0.98 Unlimited daily data from €2 per day International calling to 200+ countries Automatic local provider switching Personal hotspot support Dual SIM compatibility
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	Free tier with no credit card or subscription required Trusted by 1.4M+ users
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	51 +1 (up) since last check
Trust Flow (Majestic)	0	12
Citation Flow (Majestic)	23	37
Referring domains (Majestic)	7	463

5 details filled in for both companies.

More alternatives to Kapsula More alternatives to Firsty