Tools
Phone Simulator — Free Chrome Extension to test and preview your site on 80+ devices.
Compare extensions
Tools
Mobile-first design validation. Quickly preview and optimize website performance across multiple device screen sizes.
Audience & ratings
Store users
≈1M
1K
Ratings
What stands out
Mobile simulator - responsive testing tool reports the larger audience. These are store counts, including rounded estimates. The rating difference is 1.33 points across 5,195 and 7 ratings.
Category overlap does not establish that two products serve the same workflow.
Product & publisher
Publisher
Mobile FIRST
Not recorded
Publisher portfolio
1 listing
13 listings
Listing status
Active
Active
Manifest
Version 3
Version 3
Package size
7.76MiB
65.88KiB
Permissions & access
Requested capabilities describe access, not developer intent or a safety verdict.
API permissions
11 requested
- webRequest
- scripting
- tabs
- activeTab
- declarativeNetRequest
- webNavigation
- storage
- contextMenus
- tabCapture
- offscreen
- commands
7 requested
- activeTab
- scripting
- tabs
- sidePanel
- contextMenus
- storage
- alarms
Website patterns
2 recorded
- <all_urls>
- *://*/*
1 recorded
- <all_urls>
Releases
Explore the release history
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Create your free accountEvidence behind this comparison
Both listings observed 2 Oct 2026.
Store users and ratings are observations, not revenue or lifetime installs. A larger audience or a higher score does not establish product quality.
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Mobile simulator - responsive testing toolTools
Mobile View Tester: Responsive Web Design ToolTools