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Try it: four small tasks
This is what the tasks in Smartigo feel like. Four small examples of logical thinking, each with an explanation. No account, no points, nothing is stored.
In short: You get four tasks, one after another. Answer, then see whether it is right and why. In the app they come as small everyday scenes with a second try.

To read more: Train logical thinking: four thinking traps.
Smartigo is a daily walk for your head: one short leg, no account, no ads. The core features are free.