A live AI-powered system for solving progress.
Keep problems, submissions, revision, and profile proof in one loop so every solve has a next step.
Everything you solved, tracked, and planned stays in one place.
Preptin keeps practice, review, and proof in the same loop so you can pick up where you left off without rebuilding the context.
1.2K
active users this week
18K
problems solved
42K
submissions tracked
9K
revision checkpoints completed
People keep coming back to the same loop.
“Preptin gave me a loop I could trust. Every solve turns into a signal, the context stays warm, and the next move shows up without feeling robotic.”
Farhan M.
Senior Software Engineer · Google
Interview prep breaks when context lives in too many places.
You solve, submit, and review across different surfaces, then spend time rebuilding context every time you return.
Problems get solved, but not remembered.
Solved questions should not disappear once you move on.
Submissions drift away from the problem.
Attempts, notes, and outcomes should stay attached to the problem.
Revision does not tell you what comes next.
When you return, the next review item should already be waiting.
Preptin keeps practice, review, and proof in one loop.
The next step should already be waiting when you come back.
One loop that keeps practice moving.
Solve, capture, review, and let AI guide the next move before you prove progress.
Bring your prep together across the platforms you already use.
Preptin connects the places where your practice already lives, so your history does not stay scattered across tools.
Your next step is already waiting.
Come back without rebuilding what you were doing.
Revision stays in view.
Due items and weak areas remain easy to find.
AI suggests what comes next.
Recommendations adapt to what you solved and missed.
Progress turns into proof.
Dashboard and profile make improvement visible.
What changes when everything stays connected.
Preptin turns scattered prep into a loop that shows you the next move, keeps revision visible, and makes progress easier to prove.
Built for the way you actually prep.
Preptin fits the people who want practice, review, and guidance to stay connected in one loop.
Daily practice
You solve regularly and want every attempt to stay connected to what comes next.
Keep your solves from disappearing into history.
Revision-first users
You already have questions solved, but you need a clearer way to revisit the ones that matter.
Bring back weak areas without guessing what to review.
AI-guided prep
You want the system to help decide what to solve next instead of picking blindly.
Let personalized recommendations point to the next move.
Retrieval practice
What you solved comes back in the right context instead of fading into history.
Review starts from the actual attempt, not a blank slate.
Spaced revision
Due items stay visible until they are reviewed, so revision happens on purpose.
The next review stays easy to find.
Feedback and self-monitoring
Progress is easier to keep when the system shows what changed and what still needs attention.
See where you are without rebuilding the context.
Personalized guidance
AI helps point to the next move based on what you solved, missed, and need to revisit.
Get a better next step, not just a bigger list.
A better loop is easier to keep going.
Preptin combines retrieval, spaced review, feedback, and personalized guidance so practice turns into something you can return to, improve, and prove.
Make every solve part of the loop.
Preptin keeps practice, review, and proof connected so your prep always has a next move.
No scattered context. No lost next steps.