Your kid’s first “I get it.” moment.
Fifteen minutes a day.
Adaptive practice that builds confidence, not anxiety. No scores that drop. No punishment for mistakes. One quiet email a week so you actually know what’s clicking.
14-day free trial.Cancel anytime, no questions.
- 2,100+ Common Core skills
- COPPA-compliant
- No ads, ever
24 × 6 = ?
Watch Numi solve it, or tap an answer yourself.
Less than a single hour with a tutor. For a whole month of practice.
Seventy-five seconds inside Briveli.
A short tour of how Briveli teaches and adapts. The problem types, hints, and skill-map updates your kid will see.
A 75-second tour of Briveli. The problem types, hints, and skill-map updates your kid will see. Bright kid-friendly soundtrack, fine to watch on mute.
A skill map that lights up as your kid actually gets it.
Emma unlocked multiplying fractions this week. “Mom, this is actually easier than regular multiplication.”
Three promises. We won’t move them.
We teach the trick, not the trick answer.
Wrong answers get a worked explanation. Right answers unlock the next skill. No stars, no candy.
Progress only goes forward.
No score that drops. No mastery taken back. If your kid plateaus, we quietly re-teach the prerequisite.
Parents see everything. Kids are never up-sold.
No ads. No in-app purchases. No coins. You see every skill, every week, in one email.
A fifteen-minute loop. Three surfaces. Zero surprises.
- 01
The lesson
One problem at a time. Adaptive difficulty. Numi hints when your kid gets stuck.
- 02
The skill map
Every skill, every prerequisite. Mastered, learning, up next. No mystery.
- 03
The parent report
One email a week. What they practiced, what they mastered, what to ask about at dinner.
3/4 × 8 = ?
Eight is the same as 8/1. Multiply straight across, then simplify.
Emma had a good week.
Multiplying fractions. She just unlocked it and was pretty proud.
Three things that actually matter
Most math apps chase the wrong thing. These are the three we refuse to get wrong.
Adapts to your child
Bayesian Knowledge Tracing keeps problems at the right difficulty. No frustration, no boredom.
Progress only goes forward
No scores that drop. No stars taken away. Wrong answers show the solution with a gentle explanation.
Real insights for parents
See exactly where your child excels and what they need help with. One email a week, not a dashboard you never open.
How it works
A 15-minute loop that turns into a daily habit.
Sign up in 30 seconds
Create your parent account. Add your kid's first name and grade level.
They start practicing
Your kid clicks Practice and the algorithm serves problems at exactly the right level.
15 minutes, done
A Daily Session is 25 problems, about 15 minutes. Shorter and longer modes (10 to 40 problems) are there when you want them. No marathon sessions. Consistent beats intense.
Watch them grow
See skills unlock on the skill map. Watch accuracy trends. Get a weekly email on what to focus on.
Try it right now
No account needed. Solve 3 quick problems and see how it feels.
Problem 1 of 3
47 + 38 = ?
Complete Common Core coverage
2,100+ skills across grades K–8, aligned to Common Core State Standards. Every skill has prerequisite tracking and adaptive difficulty.
Kindergarten
85+ skills
Counting to 100, comparing numbers, addition and subtraction within 10, shapes, measurement
Grade 1
125+ skills
Adding within 20, place value to 120, telling time, measurement, geometry, word problems
Grade 2
120+ skills
Adding within 1,000, place value, money, time, measurement, arrays, geometry
Grade 3
303+ skills
Multiplication, division, fractions, area, perimeter, measurement, geometry
Grade 4
311+ skills
Multi-digit multiplication, long division, equivalent fractions, decimals, angles, factors and multiples
Grade 5
303+ skills
Fraction operations, decimal operations, order of operations, volume, coordinates, pre-algebra
Grade 6
300+ skills
Ratios, percentages, negative numbers, expressions, one-step equations, statistics, surface area
Grade 7
300+ skills
Proportional relationships, integer operations, two-step equations, probability, geometry, statistics
Grade 8
345+ skills
Linear functions, systems of equations, Pythagorean theorem, transformations, scientific notation
Find your kid’s curriculum
Briveli aligns to every U.S. state test and the major K–8 math textbooks. Pick the one your school uses to see exactly what we cover.
Concrete, not curated.
We don’t have growth-hacked vanity metrics yet. Here’s what we do have: an honest count of what’s in the product.
Every skill in the K-8 Common Core, broken down to the named standard. Mapped to prerequisites.
Kindergarten through 8th grade. One subscription covers the whole arc, no upgrade upsells.
No ads. No trackers. No in-app purchases. The subscription is the entire business model.
Skills counted from Briveli’s curriculum manifest, mapped 1-to-1 against the Common Core State Standards for Mathematics, K-8.
Three things you’ll feel in the first seven days.
No streak guilt, no leaderboards, no “parent dashboard” you have to log into.
Mastery-based progression
Skills unlock when your child actually has them. No timed pressure, no points lost on a wrong answer — just steady forward motion.
Daily 15-minute sessions
A Daily Session is 25 problems in about 15 minutes. Designed for after-school energy levels, not endurance tests. Quick (10), Review (15), Speed (30), and Deep Dive (40) are there when you want them.
One quiet email a week
Concrete, parent-readable insights — what’s clicking, what to ask about at dinner, what’s coming next. No dashboard you have to remember to open.
COPPA compliant from day one
Parents are the account holders. We never collect email or PII from children. No ads. No tracking. No selling data. Your child's privacy is non-negotiable.
Frequently asked questions
Still have questions? Email us. We're two parents who actually read these.
Your kid’s first “I get it” moment is a signup away.
Start your 14-day trial · Cancel anytime.