A storybook treehouse in a lantern-lit forest, where friendly animals read beside a stone bridge

For the whole family, from age 2 to adult

Learning that grows with your family

Guided lessons, games, music and stories that help every learner think clearly, create, and check their work — from first words to final exams.

Explore programs Start free

Koydo learning apps are ad-free
No Data Selling
50+ languages

Koydo is an approved vendor in state education-fund programs in Texas, Arkansas and Alabama, so eligible families may be able to use those funds for Koydo. See each state's status

Seven programs, one path

Children playing, reading, and painting across a bright illustrated learning playground under a blue sky

Sprouts · Ages 2–5

Little hands, big firsts.

Gentle, parent-side play learning for the very youngest.

Visit Koydo Sprouts

A smiling potion bottle and a friendly character in a bright, playful illustrated science room

Junior · Ages 5–8

Curiosity learns to read.

Guided lessons and games for the early school years.

Visit Koydo Junior

A friendly robot hopping along colorful coding stepping stones through a sunny illustrated garden

Kids · Ages 8–11

Subjects become adventures.

Science, math, reading, and art for confident explorers.

Visit Koydo Kids

Middle schoolers building a model bridge with a tablet in a maker space

Learn · Ages 11–14

Built for the in-between years.

A maker space for middle schoolers who test, build, and share.

Visit Koydo Learn

A graduation cap on a desk in warm morning light

Academy · Ages 14–18

Serious study, calm focus.

High-school depth with the pressure dialed down.

Visit Koydo Academy

An adult learner working on a laptop in a modern campus lounge

University · Ages 18+

Learning that fits a full life.

Degree support and upskilling on an adult's schedule.

Visit Koydo University

A family learning together around their table at home

Homeschool · All ages

Your school, your table.

Plans, pacing, and records for families who teach at home.

Visit Homeschool

Every app on one shelf

Lingua, Flashcards, Math, Crux, Art Studio, Games and Storybooks are ready to use today. Koydo Worlds is in development.

Learning apps

A girl with headphones speaking with a friendly robot amid colorful sound waves

Live now

LinguaSpeak a new language out loud

A boy laying out glowing flashcards on a garden table at dusk

Live now

FlashcardsMemory that sticks

A tidy desk with crayons, paints, and an open sketchbook

Live now

Art StudioDraw, color and trace

A child piloting a fantastical glider through floating islands

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GamesThinking games for ages 7–12

A child stepping into a sunlit glass conservatory world swirling with color and music

In development

Koydo WorldsExplorable 3D learning worlds

A parent and child reading a glowing storybook as the story blooms to life around them

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StorybooksStories that read along

$Balanced stones on a seesaw in a warm, abstract landscape$ Live now

MathDaily number training

A young woman at a lamplit desk smiles as a glowing soundwave from her laptop flows into a glass still and drips out as study cards and a concept map

Live now

CruxTurn lectures and articles into study notes

Exam prep, grouped by goal

A graduation cap resting on a sunlit wooden desk

College AdmissionsYour path to campus

An empty wood-paneled university lecture hall in warm light

GraduateGraduate and business school entry

A nursing student in scrubs studying an anatomy textbook beside a laptop

Nursing & MedicalClinical boards and licensure

An exam answer sheet, pencil, and timer arranged on a sunlit study desk

Accounting & FinanceProfessional finance credentials

A professional studying at a dual-monitor desk with diagrams and sticky notes

Project & Tech CertsProject and technology certifications

A trucking student reviewing a paper manual at the wheel of a truck cab at golden hour

Trades & LicensingSkilled-trade licenses and exams

A desk globe surrounded by miniature world landmarks in warm light

International School-LeavingSchool-leaving exams worldwide

What is Koydo?

Koydo is a family learning platform that grows from age two to adulthood, helping every learner think, create, communicate and check their work — for school, work and life.