Best mind challenges tools in 2025
Personal multilingual vocabulary notebook powered by AI.
Free
+ from $2.99/m
open
Enhance vocabulary while browsing the internet effortlessly.
Free
+ from €5.99/m
open
Discover alternatives for words to express ideas more clearly.
Free
open
A creative writing aid that inspires fresh ideas and expressions.
No pricing info
open
Personal AI coach for chess learning and improvement.
Free
+ from €10/m
open
AI-powered vocabulary clarification within sentences.
Subscription
+ from $0.99/m
open
Receive personalized prompts to spark creativity and curiosity.
Subscription
open