Maths in your language — Std 1 to Form 6
Practise in Kiswahili or English, follow the national curriculum, and grow a little every day. Less than a soda a month.
14 days free, then Plus — $3/mo in USDT. No card to start.
Why learners choose 2πr
Maths that fits your language, your school programme, and your pocket.
Kiswahili & English
Learn in the language you think in. Every problem is available in both Kiswahili and English.
Aligned to your curriculum
Problems map to the national syllabus from Standard 1 through Form 6 — primary and secondary.
Cheaper than a soda
Plus is about a dollar or two a month, paid in USDT. Start with a 14-day free trial — no card.
How it works
1
Pick your class
Choose your level, from Standard 1 to Form 6, and we'll start you with problems that fit.
2
Practise daily
Train a little every day. Short, focused sessions keep your streak alive and your skills sharp.
3
Earn crowns & XP
Watch your mastery grow on your learning path and collect a crown and XP for every topic you master.
Ready for the exams that matter
Follows the national programme
Topics line up with what's taught in Tanzanian schools, Std 1 to Form 6.
Your data stays private
We only use your progress to teach you better. We never sell your data.
Designed to keep you going
Streaks, crowns and XP turn daily practice into a habit you'll want to keep.
Read how we protect your data in our privacy policy.
For teachers and tutors
Run your own class: share a code, see every learner's progress, and grade their work by hand.
Your class, by code
Create a class code and share it — only the learners who enter it join you.
Every learner's progress, at a glance
See topic mastery and per-learner reports — the platform meets each learner at their level of readiness.
Grading stays in your hands
Learners' work lands in a queue — you review and grade it yourself, at full weight.
How to start
1
Sign up and choose "I teach".
2
Create a class code and share it with your students.
3
Receive their work and grade it.
14 days free, then Plus
Start with a 14-day free trial — no card. After that, Plus unlocks the full Std 1 to Form 6 curriculum and exam prep.
Prices and payment methods depend on your country. Choose your country in the app to see current plans.
14 days free, then Plus — $3/mo in USDT or ₽349/mo by card. Cancel anytime.
Frequently asked questions
Ready to grow your maths skills?
Join learners mastering maths on 2πr — in your language, at your level.
