askNib vs VideoTutor: the AI video tutor for every subject
askNib is the AI video tutor for every subject: ask a question, or give it your notes, a PDF or a link, and Nib draws the idea live on a whiteboard while his voice explains it, starting within seconds3. Pause to ask at any step, keep every lesson as pages to replay and share, and use it from age 132, with no account needed to watch1. VideoTutor makes math and STEM videos4.
How do askNib and VideoTutor compare?
| askNib | VideoTutor | |
|---|---|---|
| Subjects | Any subject: math, physics, chemistry, biology, history, literature, computing, whatever you ask | Math and STEM4 |
| You start from | Type or paste a question or problem, add your notes, a PDF or a text file, or drop a link | A math or STEM question4 |
| How it's drawn | By hand, live: each stroke lands as Nib explains it, with captions | Animated scenes4 |
Where is askNib better than VideoTutor?
- Every subject: history, literature and philosophy as well as math and science. See Who was Sisyphus and what did Camus mean?.
- Open to anyone 13 and up, with a free Google sign-in (askNib's terms).
- Start from your own notes, a PDF or a link as well as a question. Try it: ask Nib a question.
- Drawn by hand, live, in step with the voice, with captions. See What makes rainbows appear?.
- A whole topic becomes a series of parts, played in order, like the series on why summer is warm.
- Every lesson stays as pages, each step's words and drawings, to reread before the test and share by link, like How do seeds know which way is up?.
Which AI video tutor works for every subject?
askNib. Ask about math, physics, chemistry, biology, history, literature, philosophy or computing, or give it your notes, and Nib draws the answer live on a whiteboard while he explains it out loud. The lesson plays like a short video, about a minute long, at 1x, 1.5x or 2x.
When you're lost, pause and ask about that step; Nib keeps the thread and draws that part. Every lesson stays as pages you can reread, replay and share by link.
Why do students choose askNib as their AI video tutor?
- Their questions go beyond math and science.
- They are in high school: askNib is for anyone 13 and up.
- They want their own notes taught, as well as their questions.
- They want to keep every lesson, and share the good ones.
Can high school students use an AI video tutor?
Yes, on askNib: it is for anyone 13 and up2. Watch any public lesson with no account, and sign in with Google to ask your own1. VideoTutor's terms ask users to confirm they are “over the age of 18”5.
What does an askNib lesson look like?
Real lessons on askNib, each one drawn and explained by Nib. Open one to read it step by step, or press play to watch him draw it.
- How can 20 guesses find one number in a million? (math, a series page): halving the range each guess, until twenty guesses cover 2²⁰ − 1 = 1,048,575 numbers.
- What makes rainbows appear? (physics): sunlight bending into a raindrop, bouncing off its back and leaving split into colors.
- Who was Sisyphus and what did Camus mean? (philosophy): the myth, the boulder and why Camus ends with “we must imagine Sisyphus happy”.
- Why does a light bulb glow? (physics): how a tungsten filament fights the current, heats to about 2,700 °C and glows, sealed in argon so it never burns up.
- How did the printing press take over Europe in fifty years? (history, a series page): presses jumping from Mainz to Rome, Venice and Paris years before nearby towns.
What is askNib, and who is it for?
askNib is a live AI tutor that draws. Ask anything, or give it your notes, a PDF or a link, and Nib, a marker, teaches it on a whiteboard: he starts drawing in seconds and talks you through the idea in about a minute, with captions. Lost at a step? Ask back, and he draws that part. Every lesson is kept as pages you can replay and share, and a whole topic becomes a series.
askNib is for:
- High school and college students who want a concept to click before the test
- Visual learners: you see the idea built on the board, step by step
- Anyone who understands better when it's explained out loud, the way a good teacher does it at the whiteboard
- Curious people, 13 and up, who want any question answered in about a minute
VideoTutor's niche is animated math and STEM videos4.
Questions students ask
What is a good VideoTutor alternative?
askNib. Ask any question, in any subject, or give it your notes, and Nib draws the answer live on a whiteboard while his voice explains it, step by step.
Is there an AI video tutor for high school students?
Yes: askNib, for anyone 13 and up2. Watch with no account, and ask your own questions with a free Google sign-in1.
Is there an AI video tutor for history, literature or biology?
Yes. askNib draws and explains any subject: ask about a poem, a war, a cell or a philosopher and Nib teaches it on a whiteboard, out loud.
Can I interrupt the lesson to ask a question?
Yes. Pause at any step and ask; Nib keeps the thread and draws that part.
Can I watch askNib lessons without an account?
Yes. Every public lesson, and any lesson shared with you, plays with no account1.
How else does askNib compare?
Sources
- askNib, Help and support, https://asknib.com/support, seen 16 October 2026
- askNib, Terms of use, https://asknib.com/terms, seen 16 October 2026
- askNib, home page, https://asknib.com/, seen 16 October 2026
- VideoTutor, home page, https://videotutor.io/en, seen 16 October 2026
- VideoTutor, Terms and Conditions (last updated 3 Apr 2026), https://videotutor.io/terms, seen 16 October 2026
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