Free tools for students,
built by one student.
ThunderStudy is a free educational website, and ThunderStudy AI is its AI mock test maker for CUET, JEE Main, NEET, SSC, Banking and UPSC. It is owned, built and maintained by Wondermayank, a solo student developer who has been building free tools since 2018. Its purpose is free exam practice, with no account, card or paid plan.
ThunderStudy AI at a glance
Site name: ThunderStudy, with its main product ThunderStudy AI, at aimock.thunderstudy.indevs.in.
Owner: Wondermayank, a solo student developer who has been building free educational tools since 2018.
Purpose: free exam practice through AI-generated, exam-style mock tests for CUET, JEE Main, NEET, SSC, Banking and UPSC.
Cost: free, with no account, card or paid plan. Fair use allows 2 mock tests a day and 5 a week.
Contact: contact@wondermayank.indevs.in.
Who runs ThunderStudy AI?
ThunderStudy AI is built and maintained by Wondermayank, a solo student developer. Since 2018, Wondermayank has been making free educational and utility tools for students, across ThunderStudy, ThunderAI and 800+ tools and counting.
There is no company or team behind it. Every page, tool and fix comes from one person, which is why the site stays small, fast and free.
What is the mission of ThunderStudy AI?
Good exam practice should not depend on what a student can pay. ThunderStudy AI exists to give every student, whether preparing for CUET, JEE Main, NEET, SSC, Banking or UPSC, a free way to practise under real exam conditions.
No account, no card and no paid tier. The only limit is a fair-use cap of 2 mock tests a day and 5 a week, so the free AI engine stays available for everyone.
What can I do with ThunderStudy AI?
Turn whatever you are studying into a full mock test, then see exactly where you stand.
Mock tests from 7 sources
Type a topic, speak it, paste notes, fetch a web article, snap a photo of your notes, upload a text-based PDF, or use a YouTube video transcript.
A real exam-style interface
A timed CBT-style screen with a question palette, mark-for-review and question-by-question navigation, so exam day feels familiar.
Instant results and review
Get your score the moment you submit, review every answer with its explanation, and download the result as HTML or PDF.
No account, data on your device
There is no sign-up. Your recent tests and your daily and weekly limit are kept in your own browser.
How can I contact Wondermayank?
Found a bug, want a feature, or need a file or resource? Write to contact@wondermayank.indevs.in or use the contact page. You can also find Wondermayank on social media.