Best mental stimulation tools in 2025
AI-powered vocabulary clarification within sentences.
Subscription
+ from $0.99/m
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Personal AI coach for chess learning and improvement.
Free
+ from €10/m
open
Receive personalized prompts to spark creativity and curiosity.
Subscription
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A creative prompt generation assistant for various applications.
No pricing info
open
A collection of creative prompts to inspire various projects.
Create unique cartoon images from photos or text descriptions.
Free trial
+ from $4.99
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