TOP 10
Top 10 best online IQ tests
Ranking 2026
The ranking
CertifiedIQ
RecommendedIQ test with instant scoring and a detailed cognitive report.
10/10
Professional online IQ test with instant scoring and detailed cognitive report.
✓ Pros- Instant results
- Report by cognitive areas
- Excellent mobile design
✗ Cons- Full report is paid
- Interface mainly in English
123test
9/10
Classic free 60-question IQ test with immediate score calculation.
✓ Pros- Standard 60 questions
- Spanish version
- No registration
✗ Cons- Intrusive ads
- Outdated design
IQ Test
8/10
Popular intelligence test platform with multiple formats and fast results.
✓ Pros- Several test types
- Quick to complete
✗ Cons- Less detailed results
- Aggressive upsells
Free IQTest
7/10
Free IQ test focused on speed and visual logic questions.
✓ Pros- 100% free
- Visual logic focus
✗ Cons- No certification
- Limited analytical depth
IQTest
6/10
Cognitive test suite with percentile comparison against global population.
✓ Pros- Global percentile comparison
- Multiple difficulty levels
✗ Cons- Paid PDF report
- Registration required
Mensa
5/10
High-IQ society with official supervised test for Mensa membership in Spain.
✓ Pros- Prestige and validity
- Supervised in-person test
- Active community
✗ Cons- Not instant online
- Membership fee
CertifiedIQ
RecommendedIQ test with instant scoring and a detailed cognitive report.
4/10
Good option if you want to retake the test and track cognitive progress over time.
✓ Pros- Unlimited retakes
- Score history
- Multi-device access
✗ Cons- Does not replace official Mensa test
- Advanced report is paid
External third-party links. Compara10 may use UTM tracking; always verify terms on the destination site.
How we evaluate AI tools
We prioritise output quality, usability, real-world integrations, response speed, data privacy and price/value in Spain. We do not publish fabricated benchmarks.
Who this ranking is for
Users comparing assistants, generators or AI SaaS for work, study or marketing. For corporate compliance, check DPA and data residency on each provider.
Limitations
Models and pricing change often. Compara10 does not replace legal or security advice.
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FAQ
How do we pick sites for the ranking?
We assess usability, free or fair pricing, report or service quality and recent user feedback. Order reflects general usefulness, not paid placement.
Are these affiliate links?
Some links include UTM parameters to measure traffic. Compara10 does not charge users; always verify terms on the destination site.
How often is this updated?
We review rankings at least once a year or when market conditions change materially.