from one to a trillion
Learn to count in any language
Master number vocabulary with games, native-speaker pronunciation, and real-world situations.
Numbers are tricky in a new language.
Master them.
Counting is just the start. Tell time, read prices, understand dates, do arithmetic, and handle situations where numbers come up. Progressive, interactive, and approachable at any age.
What you'll learn
Not just counting — every way numbers show up in a language.
Counting & Ranking
Count from zero into the trillions. Learn first, second, third — with gender agreement where the language requires it.
Time & Duration
Tell time on the hour, at half past, in 24-hour military format. Express durations in hours, minutes, days, months.
Currency & Prices
Read prices with cents, understand real estate figures, learn locale-specific currency formatting — dollars, euros, yen, rupees.
Dates & Weekdays
Say full dates, learn month names, weekday vocabulary, and how dates are ordered in each language.
Temperature & Measurement
Read thermometers, express weight in kilos or pounds, distances in kilometers or miles, volumes in liters.
Arithmetic & Math
Addition, subtraction, multiplication, division — say the equations out loud. Learn operators, fractions, decimals, percentages.
Phone Numbers
Dictate and understand phone numbers digit by digit, with locale-specific grouping patterns.
Ages & Counting
Express ages naturally. In Japanese, Korean, and Mandarin — learn counter words for people, books, flat objects.
Symbols & Punctuation
The @, #, %, and punctuation marks you need to spell out — how to say them in every language.
In the language you're learning
Each language is a complete course — not a word list. The curriculum adapts to each language's unique number system.
English
Irregular teens, short scale
Spanish
Two-way gender, apocopation
French
Vigesimal 70/80/90
German
Three-way gender, inverted word order
Portuguese
Two-way gender, meia for ½
Arabic
Gender polarity, dual form, native script
Hindi
Irregular 1–99, lakh-crore scale
Japanese
Myriad scale, counter words, on/kun readings
Korean
Dual system (Sino + Native), counters
Mandarin
Myriad scale, 二/两 distinction, counters
Russian
Three-way gender, case agreement
Italian
Two-way gender, vowel elision
How it works
Pick a language
Choose from a growing list of languages. Each has a complete curriculum tailored to its number system — not a one-size-fits-all template.
Learn progressively
Start with 1–3, build to thousands, then branch into situations. Each unit builds on what you've mastered — hear it, read it, use it.
Practice in context
Numbers don't exist in isolation. Drill time-telling, currency, dates, ages, phone numbers — the places numbers actually show up.
Play and retain
Mini-games, daily challenges, Streaks, and spaced repetition reinforce what you learn.
See it in action
Sifrad Plus
Go beyond ten
One to ten is free forever. Plus unlocks the full journey.
- ✓Unlimited Chances — no waiting for refills
- ✓Streak freeze protection
- ✓Numbers scale into the trillions
- ✓Tell the time and read temperatures
- ✓Dates, ages, and phone numbers
- ✓Currency, fractions, decimals, percentages
- ✓Every language, every situation
- ✓No ads
Ready to start counting?
Sifrad is coming soon to the App Store.
Coming soon