A tutor you can talk to
It talks it through and draws it on the board, from kindergarten to college.
Get startedDrawn as it is said
Real boards from real lessons.
CalculusLet the time gap get closer and closer to zero. 
BiologyThis box stands for a chloroplast in one of the tree's leaves. 
US historyMaine could join as a free state. 
PoetryLook at the circled word, “sorry.”
For every learner
Kids and teens
Kindergarten to grade 12.
College
Economics, finance, statistics and more.
- Calculus and linear algebra
- Microeconomics and macroeconomics
- Corporate finance and accounting
Adults
Pick up where school left off.
- School math, again
- Personal finance
- Introduction to psychology
How it works
Talk it through
Pick a lesson, or just ask.
Watch it on the board
Helio explains out loud and draws as it goes.
Jump in any time
Say wait, or write on the board.
- MathFrom counting to calculus, and each step is checked.41 courses
- ScienceCells, forces and molecules, drawn as Helio explains.26 courses
- Reading and writingStories, essays and proof from the text, talked through.8 courses
- History and social studiesTimelines, sources, government and economics.64 courses
- Computer scienceHow computers work, and how to code.4 courses
Every step checked
Every math step is checked, Helio's and your child's.
When your child is stuck
The smallest hint first, then more only if needed.
What parents see
What your child understands, in plain words, and a daily limit you set.
More for parentsBuilt for kids
Safety and privacyA parent says yes first
Nothing is kept until a parent agrees. Children sign in with a code, not an email.
Voice becomes text
Speech becomes text. The sound is not saved.
No ads, no streaks
No points or leaderboards, and your child's data is not sold.
Safe content
Both sides of every chat are checked for unsafe content.
Download or delete
Get a copy of your child's data, or delete the account, any time.
Common questions
Who is Helio for?
Kids in school, college students, and adults too.
Does Helio just give the answer?
No. It teaches the steps, then hands your child the pen.
Is Helio always right?
Not always. Outside math it can be wrong, so ask why.
What does my child need?
A tablet or computer with a mic, and a quiet spot.
How long is a session?
Most lessons take 15 to 20 minutes.