Algebra
Where every term comes from
Expanding (x + 4)(x + 2) is not a rule to memorise. Each pair of factors lights up and its product drops into place, so the four terms are something your child watched happen.
x² + 6x + 8
Live AI math tutor
Math you canseehearplay
It draws every step and talks it through.
No card · Ages 8+ · Parent view included
Talk
Ask it out loud.
Draw
Watch every step appear.
Play
Make it stick with a game.
60 seconds
Draw on it. It answers.
Circle the step you don't get — the tutor explains that step.
Live demo · real canvas
How it works
Three steps. That's it.
AskWatchPlay
1
Ask
Say it, type it, or snap it.
2
Watch
It draws and explains.
3
Play
A quick game locks it in.
Beyond algebra
Watch a concept click into place
Graphs, multi-step geometry, the genuinely strange ones — and the week of work that earned the XP. Every board below is drawn step by step, the way a tutor would. Press replay and watch it again.
Graphs
Which side do I shade?
The question the textbook never answers. Plot the line, test a point, and the shading stops being a guess — it is the consequence of 1 + 1 = 2 ≤ 4.
Test a point, then shade
Geometry
Three steps, one angle
Multi-step problems lose kids because the steps never feel connected. Here each move lights up as the figure earns it: sum the triangle, name the missing angle, swing out onto the straight line.
52° + 61° → 67° → 113°
The strange ones
Roll a coin around a coin
How many times does it turn in one lap? Almost everyone says once — including the board that set it on the 1982 SAT. Laps and turns count up side by side, so nobody has to take our word for it.
One lap = two turns
Streaks & XP
The week, standing up
Progress lands as a 3D chart that grows a column a day. A flat bar reports a number; a tower they built is a reason to come back tomorrow.
240 XP · 5 days · Level 4
The difference
Not every AI is a tutor
Answer engines
Hand over the answer. Ask nothing.
Drill apps
Score the answer. Teach nothing.
This one
Pennpaper
Explains, asks, waits for the click.
Coverage
220+ topics, K–12 to college
Foundations
14
Algebra
23
Geometry
18
Trigonometry
10
Pre-Calculus
14
Statistics
28
Calculus 1
8
Calculus 2
14
Multivariable
20
Linear Algebra
16
Diff. Equations
16
Discrete Math
17
Advanced Math
12
Money Math
8
Practice
Six games. Zero worksheets.
Term Swipe
True? Swipe right.
Concept Match
Flip. Find the pair.
Expression Snake
Eat terms in order.
Integral Climb
Jump, grab, climb.
Term Breaker
Smash the right brick.
Proof Frogger
Hop through the proof.
When it helps
For the hard nights
10pm. Stuck.
It's awake.
You forgot how.
It hasn't.
Tutors: $80/hr.
This: $14.99.
Shy to ask.
Ask 10 times.
Evidence
The receipts
2×
Learning gains
Kestin et al. 2025, Harvard
g = 0.50
Visual math works
Schoenherr et al. 2024
d = 0.76
Near a human tutor
VanLehn 2011
73%
8th graders below proficient
NAEP 2024
For grown-ups
You get the whole picture
Parents
Know what happened. Without hovering.
- See progress
- COPPA safe
- No answer-copying
Weekly Report
Sophie's activity
MonTueWedThuFriSatSun
2h 45m
Time this week
0
Topics mastered
Teachers
One code. Every student gets a tutor.
- One join code
- Spot who's stuck
- Help at 24/7
Class code
MATH-7QX
+24
Students join in one tap.
Try it
Four ways to saythe same thing
Tap every card that has the same value.
Which expressions equal one half?
1/2
Tap every card that has the same value.
Pricing
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7-day money-back guarantee · Cancel anytime
| Feature | Pennpaper | Khanmigo | Photomath | IXL |
|---|---|---|---|---|
| Explains out loud | ||||
| Draws the solution | ||||
| Asks you questions | ||||
| You draw back | ||||
| Per month | $14.99 | $4 | $9.99 | $9.95+ |
What Our Users Say
Loved by Parents & Students
Questions
Ask us anything
Photomath and ChatGPT are answer engines — they solve the problem for your child. Pennpaper is a tutor: it explains the concept out loud while drawing it on screen, asks your child questions, and doesn't move on until understanding is confirmed. Your child does the thinking; the AI does the guiding.
Yes. Pennpaper is built on four peer-reviewed findings: visual math instruction improves learning by a medium effect size across 41 studies (Schoenherr et al. 2024), voice plus visuals outperforms text plus visuals for complex material (Mayer 2025, Ginns 2005), interactive AI tutoring doubled learning gains versus traditional instruction in a Harvard RCT (Kestin et al. 2025), and step-based AI tutoring approaches human tutoring effectiveness at d = 0.76 versus 0.79 (VanLehn 2011).
Pennpaper is designed to make answer-copying harder and understanding easier. It guides your child through each step, asks questions, and uses the canvas so they have to participate in the reasoning instead of only collecting a final answer.
Pennpaper works at any level. Elementary students (ages 8+) get colourful, encouraging explanations with gamification. High schoolers get focused SAT/ACT prep and homework help. College students and adults get straight-to-the-point explanations for calculus, statistics, and beyond. You pick the level, and the explanations, vocabulary, and pace match it.
Yes. We're COPPA compliant for children under 13 and we never sell user data. Voice sessions are processed in real time and not stored. Parents have full visibility and control over their child's account.
We offer a 7-day money-back guarantee on all paid plans. Try it — if Pennpaper isn't helping, we'll refund your purchase, no questions asked.
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