Mobile simulator Chrome Extension Analysis
Developer & Designer ToolsStore listing title: Mobile simulator - responsive testing tool
Chrome extension ID: ckejmhbmlajgoklhgbapkiccekfoccmk
A browser extension that simulates various smartphone and tablet viewports to test responsive web design. It includes a library of 58+ devices, custom resolution support, and tools for capturing WEBM/GIF/MP4 videos and transparent PNGs.
Overview
Installs
1.0M+
Rating
★ 4.9
4,924 reviews
Languages
51 locales
Includes Deutsch, English, Filipino, Indonesia...
Market analysis
Review-backed positioning, friction, and market signals for this Chrome extension.
Macro category
Developer & Designer Tools
Pricing friction
Moderate review signal
Complaint intensity
Moderate review signal
Listing positioning
The product is positioned as a powerful and reliable responsive simulator for developers and designers. It emphasizes time-saving through pre-configured device viewports and the ability to create professional client demos via video and screenshot captures.
Inferred product pattern
A visual wrapper for browser viewport resizing that monetizes via a 'freshness' gate on the device library and ad-supported free access.
Review-backed pain points
Users report that intrusive ads can break the mobile view and cause bugs. Others express frustration over a subscription model that gates newer device resolutions and a lack of support when technical errors occur.
Observed feature gaps
Users have requested additional native mobile controls (e.g., refresh buttons) and reported failures in the video capture functionality.
- Web Developers
- UI/UX Designers
- Digital Marketers
- Website Owners
- Responsive web design testing
- Creating client presentations and demos
- Generating mobile website mockups for marketing
- Quick viewport validation
- Clean user interface
- High-quality device mockups
- Utility for non-developers to check their sites
- Effective for creating marketing visuals
- Intrusive modal advertisements
- Performance degradation and crashing after updates
- High subscription cost for newer device profiles
- Poor developer responsiveness to support requests
- Free-tier complaints detected
- Performance complaints detected
- Users perceive the subscription price (€8/month or €60/year) as disproportionate to the value provided, specifically for unlocking device profiles newer than four years.
Support
Reports of the developer failing to respond to multiple support requests regarding critical tool failures, such as empty video files.
Reliability
Complaints regarding infinite loading, app crashes following updates, and bugs induced by the advertisement system.
Privacy
No privacy or security complaints observed in the provided samples.
- Free entry with paid features
- No clear access signal
- Limited free usage observed
Store listing facts
- Screenshots: 5
- Videos: 0
- Languages: 51
- Privacy policy
- Developer contact
- Official website
- Support link
- Version: 4.18.0
- Size: 9.88MiB
- Last updated:
Listing SEO keywords
Core discovery
Comparison
Problem
Alternative
Similar extensions
Jump to related discovery paths:
FAQ
Screenshots
Links
Website: webmobilefirst.com
Privacy policy: https://www.webmobilefirst.com/en/privacy/
Support links: https://www.webmobilefirst.com/en/support/?utm_source=chrome&utm_campaign=store
