
Official IQ Test
GAIvsIQ
Free IQ Test
iQ Suite
Real IQ Test Online
NWEA Assessments
Free 25-question IQ test across 5 cognitive domains

DevTools Advanced
FullStackToolkit
DevFinanceTools
JSON Formatter & Validator
AllDevToolsHub
Boop
DeveloperTools.Tech
120 free browser-based developer utilities. No sign-up required.
Which is more popular?
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | iqtest-me.com | devtoolstack.io |
| Pricing | — | |
| Company | Startup from the United Kingdom · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


IQTest-Me is a structured online IQ assessment that measures logical reasoning, numerical ability, visual-spatial thinking, verbal comprehension, and working memory. The test uses adaptive difficulty — questions get harder or easier based on your performance — delivering a personalized cognitive...
No description of DeveloperToolStack yet.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of DeveloperToolStack yet.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing iqtest-me and DeveloperToolStack.
iqtest-me's answer
Individual consumers worldwide — curious adults taking the test for personal insight rather than institutional clients
iqtest-me's answer
Most free IQ tests inflate scores to drive sharing. IQTest-Me is built around honest, grounded results and a per-domain breakdown so you see your actual cognitive strengths and weaknesses. It's free to take, with an optional $1.99 detailed results unlock — no subscription, no upsell funnel.
iqtest-me's answer
IQTest-Me was built by an independent founder frustrated by online IQ tests that inflate scores and hide their methodology. The goal was a genuinely honest alternative — one that's transparent about the limits of online testing while still giving a useful, detailed picture of how someone thinks across five cognitive domains.
iqtest-me's answer
An adaptive IQ test that gives a detailed breakdown across five cognitive domains — logical reasoning, numerical ability, visual-spatial, verbal comprehension, and working memory — rather than a single number. Honest positioning: no inflated scores, no hype, transparent about what the test can and can't measure.
iqtest-me's answer
Curious adults interested in understanding their own cognition — people who care about cognitive science rather than an ego boost. Broad general audience, skewing toward those who value accuracy and transparency over flashy score inflation.
iqtest-me's answer
React and Vite on the frontend, deployed on Vercel with Cloudflare for CDN and security. Stripe handles payments, Supabase the backend data, and the test uses adaptive question-selection logic that adjusts difficulty based on performance.
Share your experience with using iqtest-me and DeveloperToolStack. For example, how are they different and which one is better?
When comparing iqtest-me and DeveloperToolStack, you can also consider the following products.

Have you ever wondered what is your IQ? Take our IQ test and find out what is your level of intelligence right now!
Compare Official IQ Test to iqtest-me or DeveloperToolStack:

A collection of developer tools in one place in your browser
Compare DevTools Advanced to iqtest-me or DeveloperToolStack:

Compare GAI and Full Scale IQ from a Wechsler report, or estimate both with nine CHC / WAIS-5 tasks. Overall IQ, GAI, and the gap are free. Not a WAIS or diagnosis.
Compare GAIvsIQ to iqtest-me or DeveloperToolStack:

Free, no-signup developer tools for technical SEO: robots.txt, sitemap.xml and .htaccess generators, plus practical guides. Everything runs in your browser.
Compare FullStackToolkit to iqtest-me or DeveloperToolStack:

Free IQ Test with Dynamically Generated Questions
Compare Free IQ Test to iqtest-me or DeveloperToolStack:

Free, no-signup calculators for the money side of building software and freelancing
Compare DevFinanceTools to iqtest-me or DeveloperToolStack: