wunder
Screen time you can actually feel good about
Every "educational" kids app seems to end in ads, loot-box mechanics, or an algorithm optimized to keep kids scrolling.
🚫 Zero ads, zero trackingNo ads anywhere, no data selling, no third-party trackers — verified in our privacy policy.
🛡️ Locked-down kid profilesKids only see factual, age-appropriate courses. They can't chat, create, or wander — and parents choose which features are on.
🦖 Learning that feels like playDinosaurs, sharks, space and volcanoes with real imagery, quizzes and games — curiosity does the work, not compulsion loops.
👪 Grows with your familyOne account, multiple profiles: a 6-year-old, a teen and you each get your own library and progress.
Real courses, ready right now
The book already knows the wayKids (4–6) · 20 min · Free to readThe title page is waiting insideKids (5–8) · 20 min · Free to readThe English written for strangersKids (11–13) · 20 min · Free to readThe thought that can stand aloneKids (11–14) · 20 min · Free to readThe hinge, the drumroll, the breakKids (10–11) · 20 min · Free to readThe comma that turns toward youKids (10–11) · 20 min · Free to read
Gas Exchange and Breathing12-13 · 15 min · Free to readDigestion and Enzymes11-13 · 20 min · Free to readCells, Tissues, and Organ Systems11-12 · 30 min · Free to readCalculating Dietary Energy11-13 · 15 min · Free to readAerobic and Anaerobic Respiration12-14 · 20 min · Free to readOcean Food Chains and Predator Loss12-14 · 15 min · Free to read
The Rhine: From Alpine Streams to a DeltaAdults (18+) · 20 min · Free to readBaltimore: A Harbor Cut Deep InlandAdults (18+) · 10 min · Free to readThe Cumberland PlateauAdults (18+) · 10 min · Free to readDelhi: A Capital Built Beside the YamunaAdults (18+) · 10 min · Free to readAnnaba: Hippo, the Bay, and AugustineAdults (18+) · 10 min · Free to readBalcones Escarpment: The Step That Sited the TownsAdults (18+) · 10 min · Free to read
Common questions
Is Wunder safe for young children?
Yes — child profiles are restricted to factual, kid-safe content with no chat, no creation, no ads, and parent-controlled features.
What ages is it for?Content spans roughly ages 4 to adult, organized by age band — toddler and preschool content stays simple and quiz-free.
How much does it cost?Reading is free. Family-friendly paid plans (from $8/mo) add narration and more profiles.