Best Alternatives to ScreenSize.net

12 honest alternatives – every field labelled, no fake scores.

About ScreenSize.net

Instantly see your screen resolution, viewport size, device pixel ratio and more. Live values that update as you resize, with a copyable debug report.

Best for: Developers, designers, and QA teams seeking a quick way to debug responsive layouts across various devices.

View full listing Visit site

When to look for an alternative

Not for:

Individuals looking for a comprehensive design tool or those needing extensive integrations with other software.

Known limitation:

Limited features beyond basic screen size and resolution checking, lacking integrations and advanced functionalities (AI-inferred; may be outdated – founders can correct this)

AI-inferred from public information – may be outdated. Founders can correct.

12 Alternatives to ScreenSize.net

Testing & QA

AppBanana

Testing & QA

Real human testers for your Android app to pass the Google Play closed testing requirement in 14 days. Approval guaranteed or full refund.

Free trial

EleutherAI

Testing & QA

EleutherAI web app testing for language models

Autosana

Testing & QA

AI-powered E2E testing for mobile and web apps. Ship faster with self-healing tests, no code required.

Userplay

Testing & QA

Recruit players, run playtests, and capture gameplay feedback.

VirtuProbe Studio

Testing & QA

Chain requests across HTTP, email, LDAP, Kerberos, SMB, DB — and script the whole flow.

Free trial

Alternate QA Hub

Testing & QA

Audit your QA processes, train in our academy, generate AI test strategies, and design resilience experiments with the Chaos Wizard.

Free plan

CueTest

Testing & QA

CueTest is an AI-powered E2E testing platform. Describe any user journey in plain language — the agent runs it in a live browser, catches regressions, and returns a trace with screenshots. Free to sta

Free trialfrom $39

GLIMT

Testing & QA

Synthetic AI-driven user testing. Get real friction insights in minutes.

Free trial

AI Code Review That Runs Your App on Every PR

Testing & QA

Catch 30% more bugs and ship faster with runtime evidence. AI Code Review to automate PR reviews, catch bugs earlier, and improve quality.

Free trialfrom $40

Microphone Test Online

Testing & QA

Test your microphone online in your browser. Check mic input, volume, playback, permissions, and common microphone problems before calls, meetings, or recordings.

test-proxy-recorder

Testing & QA

VCR-style record & replay for Playwright. Capture real API responses once, replay them deterministically on CI — no backend, no hand-written mocks. SSR proxy + browser HAR, WebSockets. Free & MIT.

Klinky.io

Testing & QA

Split one link between two destinations. Send a controlled share of visitors to a new page, workflow, or offer without replacing the current one.

Free trial

How we sourced this: Alternatives are tools in the same category as ScreenSize.net listed on directree. Tool details are a mix of observed facts (crawled from each site) and AI-inferred fields (always labelled). No fake precision scores. Founders can submit and claim their listing to correct any field.