Challenge your cognitive abilities with a scientifically designed IQ test. Get immediate, accurate scores and detailed performance breakdowns. Retake the test unlimited times with a user-friendly interface.
4.2(6 ratings)
Free
Best intellect 21 alternatives: apps like intellect 21: Quiz & IQ Test
10+ similar apps compared and reviewed
4.4 avg rating
10 free apps
Updated October 2026
intellect 21 is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.
Top Alternatives to intellect 21
IQ Test: Brain Boost Master by Benfont Limited
Accurate Cognitive IQ TestStrong Contender
📚 Education
4.5(4 ratings)
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This app offers a comprehensive cognitive challenge to measure reasoning, pattern recognition, and logic. It adapts to your performance, providing tailored questions and immediate feedback. Track your progress over time with real-time leaderboards and bell curve comparisons.
5.0(2 ratings)
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Assess your problem-solving abilities and estimate your IQ score with a series of challenging puzzles. Receive a certificate upon completion and identify your cognitive strengths and weaknesses to work on improving your IQ.
