1-Min Brain Training Game, Brain Booster
1 min/day with the perfect and simple memory × math workout.
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Osawa

1-Min Brain Training Game, Brain Booster - 1 min/day with the perfect and simple memory × math workout.

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Train your brain in just 1 min a day! BrainBooster uses N-Back training to boost memory, focus, and thinking speed. With simple design, global rankings, and adjustable levels, it’s fun, effective, and great for improving productivity and mental sharpness.

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Osawa
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I felt like my brain wasn’t as sharp as it used to be in my student days. Life got busy and stressful, and I wanted to regain my focus, energy, and productivity. That’s when I found N-Back—a brain training method proven by science, where you solve math problems while remembering past answers. I tried several apps and noticed real improvements, but many were too complex or lacked features like difficulty control or ad-free mode. So I built this app for myself—something simple, effective, and easy to use. I love it, and I hope it helps someone else out there too.