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Responsively vs Sizzy
People
Price
Free
Published entry price
$12per month
Browser Testing
Annual estimate10 people, entry price
Free
$144
Flat rate
Offer
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Browser Testing
Overview
Focus
Browser Testing
Browser Testing
Product
Open-source browser for developers designing and debugging responsive web apps across multiple viewports.
Browser built for developers testing responsive web apps across devices simultaneously with dev tools.
Headquarters
Bengaluru, India
Skopje, North Macedonia
Company size
2-10 employees
2-10 employees
Founded
2020
2018
Pricing details
Plan
Published entry price
Published rate
Free
$12 / month
Billable seats
Flat rate
Free options
Free plan
Free trial
Pricing source
Source updated
Oct 29, 2026
Nov 2, 2026