Make quizzes with AI. Study smarter.

Create a quiz on any topic in seconds, share it, and challenge your friends.

Krog is free — and here's what that means

Krog is built and maintained by a single developer, Dany Beltran, who is also a heavy daily user. To keep the project sustainable, some features may become premium in the future — but the core experience will always be free.

Always free

Unlimited manual questions
Unlimited quiz & collection creation
Unlimited private quizzes and collections

May change in the future

AI-generated questions
AI quiz generation
Personal performance analyses powered by AI
File uploads (images in exams/questions, PDF imports)