01WORLD
Numbers
Ages 4 – 6
Pre-K for kids who can't read yet. Every number is read aloud. Recognize, count and order from 1 to 20.
Each module is a complete world, designed for an age. Travel between them carrying the same XP, the same streak and the same level.
Pre-K for kids who can't read yet. Every number is read aloud. Recognize, count and order from 1 to 20.
15 problems a day from the fact families where they struggle most. It knows 7×4 already, and 8×6 not yet.
Build a second language: 260 illustrated words with native audio. Vocabulary and spelling, English ↔ Spanish, each direction tracked separately.
Leveled passages + 4 questions: main idea, detail, vocabulary and inference. At their own pace, no clock.
456 exercises across 38 concepts in two languages. Each session loads more where the concept is weak.
Full games against a rival that climbs ten levels, with optional coach tips your child can follow or skip.
No matter which world they explore today: it all fuels the same ship. What's rewarded is coming back, not speed.
Every answer and every session is fuel for a single level. One ship, no matter the world they explore.
A session in any world keeps the day's streak alive. Gentle motivation, never a punishment.
The curve rises slowly: leveling up feels earned. Mastery badges in every world.
Six worlds, six ways to explore. Swipe to see what each one really practices, and how it measures it.
Pre-K for kids who can't read yet. Every number from 1 to 20 is recognized, counted and ordered. Three activities tracked separately, with bilingual EN + ES audio at every step.
Math · "count with me: 1… 2… 3… 🔊"Addition, subtraction, multiplication and division, tracked number by number. It measures more than just the right answer: it times recall, so it knows which operation is already automatic and which still takes effort.
Math · "today we work on the 8 times table"Learn English or Spanish: 260 illustrated words with native audio. Vocabulary and spelling, English ↔ Spanish, each direction tracked separately so none is left half-learned.
Math · "listen: casa → house 🔊"Leveled passages with four question types: main idea, detail, vocabulary and inference. Real content, written and reviewed, never randomly generated. Level up after 5 sessions at 75%.
Math · "what's the main idea of the passage?"456 exercises across 38 concepts (21 in English, 17 in Spanish), organized by level. Each session loads 3× more exercises where the concept is weak, and fewer where it's already mastered.
Math · "plurals almost there, let's go for articles"Ten difficulty levels: from the first checkmate to a rival that truly challenges. Math, the coach, can point out when a piece is in danger or mate is near, but every tip is just a suggestion your child can follow or skip. Or play live Versus: two players, two devices, head to head.
Math · "your knight is in danger" ♞Like mission control: you see the explorer's real telemetry. Not "we're working on multiplication", but which exact operations they've mastered, which concepts are in practice and what's missing. By world, by week, by language.
Start with a 7-day free trial, no card. One subscription covers up to 5 profiles, and you can cancel anytime.
Every plan includes
The quick facts parents ask us most, before the first session.
Yes. Every account starts with a 7-day free trial and no card is required. You only enter payment if you decide to continue, and you can cancel anytime. There is no separate free tier, the trial unlocks everything.
NumFox is built for kids about 4 to 12 years old, from pre-K through 6th grade. The six worlds each target a stage, from recognizing the numbers 1 to 20 up to reading comprehension and chess, so the same app grows with your child.
Completely. The whole app works in English and Spanish, and you can switch anytime. Word Explorer goes further and teaches English vocabulary and spelling to Spanish speakers, and Spanish to English speakers, with native audio for every word.
No timers and no pressure: a wrong answer just comes back later, never a buzzer or a penalty. Instead of a vague grade, you see exactly which facts and concepts your child has locked in and which still need work. And one price covers up to 5 children, not a single seat.
Three plans with the exact same features: Trimester at $12 for 3 months, Semester at $18 for 6 months, and Annual at $24 for 12 months, which is the best value. You choose the length, never the features, and every plan covers up to 5 children.
Up to 5 child profiles on a single account, included in every plan. They share one subscription, and each child keeps their own worlds, progress and weekly report.
Create your child's profile in 60 seconds. No card, no passwords to remember.
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