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KOREAN TALK · DAY100

Your Korean. Your people.
Now in your own app.

Swipeable learning feed, practice quizzes, global rankings, 100 daily missions, Korean audio, community posts, friends, live conversations, voice calls and video calls. One account across your devices.

Windows

Day100 Messenger

Windows 10 / 11 · 64-bit

Download installer ↓Developer preview. Installer is not Authenticode signed; Windows may show an unknown publisher notice.
Android

Day100 mobile

Android 7+ · ARM64 · Version 1.2.0

Download APK ↓Direct installation. Signed with the Day100 release key. Google Play release is pending.
IPHONE & IPAD

Install the home-screen app

Open Day100 in Safari, tap Share, then Add to Home Screen. Your account, messages and learning progress sync with the desktop apps.

Open Day100 for iPhone →

This is an installable web app. A signed native iOS test build has also been created for 12 registered test devices. It is provided privately; public App Store/TestFlight distribution is pending. An internet connection is required.

How to install · 설치 안내
  1. Mac: Open the DMG and drag Day100 to Applications. This preview is not notarized; installation may require approval in macOS Privacy & Security.
  2. Windows: Run the installer and choose an installation folder. Confirm the downloaded filename and checksum before approving an unknown-publisher prompt.
  3. Android: Open the APK on your phone and allow installation from your browser when prompted.
  4. Sign in: Create a username and a password of at least 10 characters. Use the same account on every device.

맥은 DMG를 열어 응용 프로그램 폴더로 옮기고, 윈도우는 설치 프로그램을 실행하세요. 안드로이드는 APK를 설치하며, 아이폰은 Safari에서 홈 화면에 추가할 수 있습니다.

Every country is welcome

English is the default. Learning and community languages: English, 日本語, 简体中文, Tiếng Việt, ไทย. Choose your country during sign-up; if it is not listed, select Other country. Request another language from My page. Taiwan accounts are welcome; the current app’s Chinese curriculum is Simplified Chinese.

What works in this release

Account sign-up and login, Day 1–100 missions, Korean and translated speech (device voices), mission comments and saved progress, community posts, photos, follow/following, private conversations, live room presence, and one-to-one voice/video calls.

Calls: Open a private conversation and use the phone or camera button. Both people must keep Day100 open; native mobile users must keep the Talk screen open. Accept microphone/camera permission on your device. Closed-app incoming calls, background mobile ringing and group calls are not available. Desktop 1.1 includes call permissions and receives the learning update automatically. Install Android 1.2 for the new learning feed, quizzes and ranking on the home screen.

Desktop notifications work while the app is running. Background mobile push notifications, password recovery, store distribution and notarized desktop releases are not included in this preview.