Mobile simulator - responsive testing tool
by Mobile FIRST · 1,000,000 usersGood signsNothing in the store listing stands out.
-
Used by 1,000,000 peopleA large user base means problems tend to get noticed quickly.
-
Actively maintainedLast updated October 27, 2026.
-
Registered businessThe developer has identified itself as a trader under EU law, with a public address.
Who makes it
- Developer
- Mobile FIRST
- Address
- 93 boulevard Voltaire Paris 75011 FR
- support@webmobilefirst.com
- Website
- webmobilefirst.com
- Users
- 1,000,000
- Version
- 4.22.2
- Last updated
- October 27, 2026
What this page can't see
A store listing doesn't show what an extension can access on your computer, and it can't warn you later. Extensions get sold, and the next silent update can change everything.
Extension Guardian watches the extensions you have installed and warns you when one changes owner, gains new permissions or disappears from the store. Free, open source, no account.
Add to Chrome, it's free