Built from your real class materials — every answer cites its source page.

Do you have a dozen PDFs and no idea what's tested?
Does AI explain your class using syntax your professor never taught?
Do your study apps freeze for hours while uploading slides?
Do you memorize theory but freeze when the exam wants real code?
Every week you lose over 10 hours just organizing files instead of studying.
In one semester, that's hundreds of hours you'll never get back.
More AI chat isn't the fix — it just hallucinates code your professor never taught.
Today
A dozen open tabs, and still not sure what's on the exam.
In 6 months, if nothing changes
Same chaos — just less time before finals.
THE MECHANISM
Generic AI guesses. Source Lock never does — every plan, flashcard, and quiz comes only from what your professor actually gave you.
Syllabus, slides, PDFs, or a recording of class.
It finds exactly what your professor covered — nothing else.
Get your plan, flashcards, and quiz in seconds.
Before
ChatGPT explains it with syntax your professor never used.
After
Every answer sourced to the exact slide your professor showed.
Tibo: I check every flashcard and quiz question against your uploaded material before it reaches you — if I can't find the source page, I don't generate it.
PRICING
$0.00/mo
under $0.34/day — about the price of a coffee, once a week
7-day money-back guarantee
Every flashcard, quiz, and study plan traces back to a page in your material — or you get a full refund, no questions asked. The 5-day trial cancels in one tap, no charge.
Backed by a 7-day money-back guarantee on every plan.
Tibo: Ready when you are. Upload your first syllabus and I'll have your plan waiting in under a minute — no card, no catch.
FAQ
No — that's exactly what Source Lock prevents. Every flashcard, quiz, and plan traces back to a page in your syllabus, slides, or recordings. If your professor didn't teach it, TIBO doesn't test you on it.
You build your first study plan for free, no credit card needed. Your 5-day trial cancels in one tap — and if you upgrade and it's not for you, the 7-day money-back guarantee still has you covered.
Big files upload in the background with a real progress bar, so you're never stuck watching a spinner. You'll get a notification the moment your plan is ready.
Yes — for CS and STEM classes, TIBO generates debugging drills and code-completion exercises pulled straight from your assignments, not generic beginner lessons.
ChatGPT answers from the whole internet. TIBO only answers from your own class material — same professor, same syllabus, same exam.
You open TIBO, see exactly what to study today, and walk into your next exam knowing you covered everything that matters.
No credit card to start · cancel anytime
PS: TIBO is built around Source Lock — every plan, flashcard, and quiz comes only from your own class material, never generic AI guesses. Start your free plan today; you'll see it in under a minute.