See studylab4u, screen by screen.
Pick who you are. We'll walk you through the screens, in the order you'd use them.
From a homework doubt to exam practice.
Your own dashboard
Sign up as a parent, add your child and their class. Everything after this is made for that class.
- Coins and free doubts left, always on top
- Festival wishes and notices from Study Trigger
- One tap to continue where you stopped
Snap the question from the book
Pick the subject and take a photo, or type it. Figures, tables and numbers are read from the photo.
- Any subject of the child's class
- Photo or typed question
- A question with no numbers? We ask for the full question and no coin is used
Hint first, then every step
First a small hint to think with. Then the full solution the way a board answer is written: Given, Find, every step with its reason, and the answer.
- One tap switches the answer to Hinglish (this screen)
- Maths answers checked by our maths engine
- Saved in My doubts, open it again free
Practise your own chapter
Snap the pages of the chapter from your own book. Study Buddy makes questions only from what you studied.
- MCQs, short answers, board-style 3 and 5-mark answers
- Speak the answer aloud, or write it
- A Study report to share with parents
Practice papers from your own chapters
Pick your chapters, the total marks and the time. studylab4u writes a fresh practice paper in the board pattern, with its answer key, ready to print.
- Made only from the chapters you added
- New questions written for practice every time, never an exam paper
- 1, 2, 3 and 5-mark questions, with diagrams where the chapter has them
Play the samples: a doubt, a quiz, a coding bug and an interview question. No sign-up.
Try the samples βJoin early access. Every module is free to try when we launch.
Join early access βSee what your child practises, and what you pay for.
Add each child once
One parent login for all your children. Add the name, class and school, and every module follows that class.
- Brothers and sisters under one login
- Class changes next year? Edit it in one place
- Delete a child any time, restore within 30 days
See exactly what was practised
After every quiz there is a Study report: the chapter, the score, and what still needs practice.
- Every quiz, doubt and paper kept in History
- Practise the missed questions in one tap
- No marks comparison with other children
A report card on your WhatsApp
The child taps Share and you get a picture card with the score and a kind line, plus a link to the full report. In English or Hinglish.
- Encouraging words, never a comparison
- Works on any phone, no app to install
- You choose English or Hinglish once
Pay only for what is used
Buy a coin pack with UPI or card. Every coin spent shows in the wallet: which child, which module, which day.
- No subscription, no auto-renewal
- Unused pack refunded within 7 days
- Every payment listed with its payment ID
Play the samples: a doubt, a quiz, a coding bug and an interview question. No sign-up.
Try the samples βJoin early access. Every module is free to try when we launch.
Join early access βWrite code, get it reviewed, crack the test.
Write and run your code
C, C++, Python, Java and more, in the browser. Running your code is always free, and every program is saved in My programs.
- No setup on your laptop
- Programs saved with a name you can change
- Practice from Study Trigger's own program library
A Teacher Review, not just right or wrong
Tips on logic, data types, naming and what an examiner looks for. Ask for a line-by-line explanation with a small dry run.
- Explains why, not only what
- Dry run on a small example
- The same code twice? The review opens again free
Timed DSA tests like placements
Pick a topic: arrays, strings, trees and more. Exam mode is full screen with a timer; Relaxed mode has no clock.
- Easy, medium and hard questions
- Hidden test cases, like real coding rounds
- Or practise any 3 questions of a topic
See what failed, and why
Every question shows which test case failed and the idea to fix it. Your scores build up in History.
- The exact failing input
- The fix, explained in plain words
- Progress by topic over time
Subject doubts, exam-ready
Doubts from your own course subjects, answered simply, with how to write it in your semester exam.
- Subjects your classmates already added
- A simple explanation, then the exam answer
- Test yourself with quick MCQs
Play the samples: a doubt, a quiz, a coding bug and an interview question. No sign-up.
Try the samples βJoin early access. Every module is free to try when we launch.
Join early access βGet ready, then practise the interview.
Four tools in one place
Interview Coach is not only a mock interview. First get ready with questions and topics, then practise out loud.
- Interview preparation, topic questions, topic explainer, mock interview
- Everything you make is saved, free to open again
- Works for freshers and working professionals
Interview preparation
Give your resume, the job and the company. Get the questions you are likely to face, with answers built from your own resume.
- Questions for your role, company and level
- Answers from your real experience, nothing invented
- Made once and saved, free to open again
Topic questions
Pick any topic, like React, SQL or Java. Get a set of questions companies ask, with answers and code.
- Choose the mix: basic to tricky, code and output
- Pick how many questions
- Set saved; asking again with the same choices is free
Topic explainer
Type a topic like REST API or FastAPI. Get a simple explanation, a short story, uses, and a small code example.
- Pick the level: school, college or interview
- Advantages, disadvantages and where it is used
- Common interview questions on the topic
Mock interview: set up
Choose Quick (about 10 minutes) or Full (about 25 minutes), add your resume and the job you want, then a quick camera and mic check.
- Questions follow your own projects and skills
- Your last 3 resumes saved for next time
- A dropped interview can be continued free within 24 hours
Mock interview: the live room
DEVISHI asks one question at a time, by voice, and follows up on what you say. Answer by speaking or typing, camera on.
- Follow-up questions like a real panel
- Very short answers? DEVISHI asks you to say more
- Stay on the page: switching tabs pauses the interview
Mock interview: your report
Scores, your best answer, what to improve and the topics to revise, before the real interview.
- Feedback on every answer
- Report PDF with your photo, kept in History
- AI failed mid-way? Coins refunded automatically
Play the samples: a doubt, a quiz, a coding bug and an interview question. No sign-up.
Try the samples βJoin early access. Every module is free to try when we launch.
Join early access β