Mobile FIRST
free Chrome extension (35 models)
Test your site on 35 iPhones from your browser: CSS viewport, density, iOS User-Agent, and touch gestures. Free extension, no Mac or Xcode required.
35 simulatable iPhones · 320 to 890 px · portrait and landscape The extension reproduces in your browser the CSS viewport, pixel density, User-Agent, and touch gestures of 35 iPhones, from 320 to 890 px wide. 1,500,000+ installations · 4.9/5 on the Chrome Web Store Free installation in seconds · computer only The 35 iPhones in the simulator are spread over 13 different widths, from 320 to 890 px.
Pricing & access
Mobile FIRST has a free tier, with paid plans unlocking more. Check webmobilefirst.com for current plans.
Frequently asked questions
What is Mobile FIRST?
Mobile FIRST is free Chrome extension (35 models). Test your site on 35 iPhones from your browser: CSS viewport, density, iOS User-Agent, and touch gestures. Free extension, no Mac or Xcode required.
Is Mobile FIRST free?
Mobile FIRST has a free tier, with paid plans unlocking more.
What are the best Mobile FIRST alternatives?
People comparing Mobile FIRST also look at ManifestGo, ADHD Reading, AI Rank Inspector, ARG Architect. See all options in the Browser Extensions category on SiftFox.
Work on Mobile FIRST?
Claim this profile for free - instant with a work email at webmobilefirst.com.
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