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Free vs. Premium Brain Training: When is it Worth Paying for an App?



Matiks vs. Chess Puzzles: Which Better Improves Strategic Thinking?

Physical vs. Digital: Are Puzzle Books Better Than Apps like Matiks?

Why Your Brain Needs Puzzles More Than Language Apps Like Duolingo

For Daily Brain Training: Matiks vs. Lumosity vs. Elevate (2025 Review)

Matiks vs. Brilliant.org: Practical Skills vs. Theoretical Concepts

How to Stop Counting on Your Fingers as an Adult (Without Shame)

The Cure for 'Careless Mistakes' in Math Exams
