Big wonder.
Bright beginnings.
A colorful world for third-grade learners. Explore the why behind the answer, then try it out in a new situation.
Parent reports · Relaxed ModeExplore the app ↗
Coming soon for iPhone & iPad
Big ideas become little adventures. Learn something new with Otto, your cosmic companion for curious minds of all ages.
Designed for iOS & iPadOS 17 or later

Three editions. One curious universe.
School discoveries, first lines of logic, and deeper networking knowledge. Pick the journey that feels like you.
A colorful world for third-grade learners. Explore the why behind the answer, then try it out in a new situation.
A playful start to coding for ages 5–8. Build with picture blocks and watch Otto bring your ideas to life in an underwater 3D world.
Build your networking knowledge through focused lessons, real-world scenarios, and practice reading command output.
Coding Edition · Ages 5–8
Help Otto find his way home. Arrange moves, turns, and Collect blocks, then watch your program unfold in 3D. Every mission is a chance to plan, experiment, and try a new idea.

Tap or drag picture blocks into your queue. Begin with moves and turns, then explore loops, decisions, and your own reusable blocks.
Run your program or step through one command at a time. Watch Otto move and turn, with mission requirements updating as you go.
Move a block, test another idea, or Ask Otto for a clue. Submit when you’re ready to see how your program meets the mission.
A peek inside
Find a subject that sparks something. Browse courses by discipline, then follow your learning path one lesson at a time.
Math · English · Science · Social Studies
The adjacent image shows: School Edition Explore screen with colorful Number Quest, Times Tables, and Fractions courses.Build answers, pair ideas, and arrange the steps. Get an explanation after each answer, with clues from Otto whenever you need a little help.
Hands-on questions · Helpful feedback
The adjacent image shows: An ordering question with four colored cards, numbered positions, and controls to move each answer.Every learner gets their own journey. Track lessons, grow a daily streak, and return to skills when it is time for a refresh.
Personal progress · Review · Power-Ups
The adjacent image shows: The You screen showing each School track’s lesson count and colorful progress bar.Screens from the app in development.

Make every little win count
There is always a next step, a little help, and something to feel proud of.

Ask for a clue or revisit the lesson. Get help without spending hearts, XP, or stars.

Spot a comet on your path? Try a Power-Up for extra practice, and track finished attempts in You.

Earn three stars in every lesson of a course to collect a mastery medal. Each new round adds to your medal count.
Room for every learner
Share a device without sharing progress. Every learner has their own lessons, streak, review schedule, and first-time introduction.
Learn offline, turn on Relaxed Mode for unlimited hearts, and use parent reports to see strengths and areas to practice. When iCloud sync is available, the same Apple ID carries your learners between iPhone and iPad.
Read about your dataA new adventure is on its way
LearnThis! is coming soon for iPhone and iPad.