Top 8 What Is My Screen Size? Competitors & Alternatives in 2025

Updated on 9/20/2025

Find more companies like What Is My Screen Size?. We've shortlisted leading alternatives and mapped their strengths, pricing, and go-to-market focus.

What Is My Screen Size?

Best for consumers

Est. 2024 • 1 employee

A free web tool that automatically detects a device's screen dimensions, resolution, pixel density and basic display specifications.

Starts at $0

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Competitors

#1

ScreenResolutionCheck
Best for consumers
Est. 2025 • 1 employee

Free web tool that automatically detects and displays a device's screen resolution, pixel density, aspect ratio and other basic display details.

Starts at $0

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#2

Check Screen Size
Best for consumers
Est. 2024 • 1 employee

A free web tool that detects and displays your screen resolution, viewport and device display details (pixels, DPI, physical dimensions and related info).

Starts at $0

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#3

Quick Tooly
Best for consumers

A one‑stop toolkit of fast, browser-based calculators, converters and developer utilities built for instant answers and mobile-friendly use.

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#4

Nine Alert
Best for SMBs
Est. 2024 • 2-10 employees

Nine Alert is a small SaaS platform that provides web push notifications and a set of web/SEO tools (branded Nine Tools) for website owners and marketers.

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#5

WhatIsMyScreenResolution.com
Best for consumers
Est. 2006 • 1 employee

A free online tool that detects and displays your device's screen resolution and basic display information.

Starts at $0

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#6

What Is My Resolution
Best for consumers
Est. 2011 • 1 employee

A free, single-purpose web tool that detects your display resolution and aspect ratio.

Starts at $0

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#7

WhatsMyScreen
Best for consumers
Est. 2022 • 1 employee

A small, free website that provides an online screen-size/resolution calculator, explanatory articles, and affiliate product recommendations for displays and accessories.

Starts at $0

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#8

WhatIsMyIP.com
Best for power users
Est. 1999 • 2-10 employees

A website offering public IP detection, IP lookup tools, an API, and privacy/networking resources.

Starts at $0

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