I haven’t used an app like this before. It’s challenging and educational, and I feel like I’m growing each day I use it. It’s branded as your person brain trainer. After you use it for a few days, you’ll agree with this.
This is the support box. Choose the amount you want to contribute to my work. One-time donations are here. Amazon Wish List is here. Monthly subscription is below (the amount you choose will be charged monthly to keep the lights on).