Korean Numbers
A listening app for people who can read a number but freeze when it's time to say it out loud. It shows every number written in Korean and in English, side by side, and reads both aloud with your device's voice. Type a number to hear it once, or let it count up on its own and listen on repeat — across big numbers, ordinals, fractions, dates and times.
Download on Google Play Download on the App Store
Why numbers trip you up in another language
The digits are the same everywhere — but saying them out loud follows different rules, and that's where you stall.
- The grouping is different — English breaks numbers every three digits (thousand · million · billion), while Korean breaks every four (만 man · 억 eok · 조 jo). "48,500" is "forty-eight thousand five hundred" but "사만 팔천오백" in Korean.
- Ordinals are irregular — first, second, third, plus the 11th/12th/13th exceptions and when to add -st/-nd/-rd/-th.
- Dates, times and fractions are set phrases — "the first of April", "o'clock", "three fifths" all look different from the digits.
This app lets you see it and hear it at the same time, in both languages. No sign-up — open it and start.
Five categories, two ways — Once · Auto
Pick one of five categories from the home screen, then listen in one of two ways.
- Numbers (cardinals) · Ordinals · Fraction · Date · Time
- Once — type any value and hear it read once
- Auto — let the number count up on its own and listen on repeat
The top of the screen shows whether the voice data needed for pronunciation is installed, so you always know you're ready.
Hear it both ways, on repeat — Auto
Every value appears in Korean and English on one line — for example 48,500 shows as "사만 팔천오백 · forty-eight thousand five hundred." In Once mode you can also break a big number into digit groups so you hear exactly where it splits at million and thousand.
Auto is not a quiz — it's relaxed, repeated listening. Set a starting value, press play, and the number climbs on its own while the voice keeps up.
- Step — +1, +10, +100, +thousand … up to billions
- Repeat — 5, 15, 65 or 115 times
- Language — English always on; turn on Korean to hear Korean then English
Ordinals — first, second … and 11th, 12th, 13th
Ordinals are full of exceptions. The app attaches -st / -nd / -rd / -th correctly, handles first · second · third and the tricky 11th · 12th · 13th, and reads large ordinals such as 45,200th too.
Fractions — three fifths
Enter a fraction as three parts — natural number · numerator · denominator. It follows the English rule of cardinal-over-ordinal, so "3/5" is read as "three fifths," and mixed numbers add and, as in "8 and 3/5." The Korean reading ("5분의 3") is shown alongside.
Dates — the first of April twenty twenty-six
Type a date or pick it from the calendar, and it's read in English as "the <ordinal> of <month> <year>." The year is the hard part, and it's read the natural way: 2026 as "twenty twenty-six," 2010 as "twenty ten," 2000 as "two thousand." The Korean reading is shown next to it.
Time — 3 o'clock
Enter a time or pick it from the clock. On the hour it reads "o'clock," otherwise it reads the hour and minutes in sequence. Leave it on Auto to step forward by minute or hour and hear time expressions on repeat.
Fine-tune the voice — Settings
Adjust the reading until it sits comfortably in your ear.
- Voice pitch — a little lower / normal / a little higher
- Voice speed — five steps, from slow to very fast
- Listening interval — the pause before the next number: long / normal / short
What you need — device voices (TTS)
Pronunciation uses your device's text-to-speech (TTS) engine, so both Korean and English voice data need to be installed. If a voice is missing, the app points you to the install screen and jumps straight to your system TTS settings or the Google voice install. You can check the status any time at the top of the home screen.
App info
- Platform: Android · iOS
- Display: Korean and English readings shown together, spoken in both
- Requires: Korean and English device voice (TTS) data
- Price: Free (with ads, no in-app purchases)