The top 20 popular Communication Apps for Android in South Korea

Check out the top Communication Apps. We went through all Communication Apps for Android on Google Play in July 2026 and picked the best ones for you to download onto your Android phone. This Android app list is sorted by the popularity in South Korea. Last updated on 2026-07-12.

whowho - Caller ID & Block

VP (Inc)

▶대한민국 3천만 이용자가 경험한 국민 전화 앱 1. Get informed on numbers as the calls come in Choose to reject useless spam, and never miss the calls that matter. WhoWho tells you all you need to know about unknown num…

Free

4.3

10,000,000+ downloads

Communication

NateOn UC

NATE Communications Corporation

NateOn UC is all about mobile life. You can send instant messages, SMS, e-mail, whatever you want to send. Moreover, you can manage your scattered contact list simply at one point. NateOn UC is free…

Free

3.3

10,000,000+ downloads

Communication

WhyCall - AI spam blocking app

evain

WhyCall can block disturbing calls using AI technology and you can enjoy the convenience with AI Spam Blocking upon subscription of this unique function in the app settings. Have you ever experien…

넥슨플레이 – 넥슨 게이머의 필수 앱

NEXON Company

★ 더욱 새로워진 넥슨플레이 소개! ★ 1. 내 게임 정보 내 플레이포인트, 넥슨캐시, 보관 아이템을 확인해 보세요. 내 게임 활동도 한 눈에 볼 수 있어요. 2. 넥슨인증기로 계정 보호 넥슨OTP로 게임 로그인부터 로그아웃까지 간편하고 안전하게 넥슨 ID를 보호해 보세요! 넥슨OTP, 바이오인증, 일회용 로그인은 넥슨인증기에서 만나 보실 수 있습니다…

Daum Mail - 다음 메일

AXZ Corp.

* The Daum Mail app is available in Android OS 9.0 or higher. [ Key Features ] 1. Multiple account support Check all your messages in one app! It's an email collector that gathers all of your ema…

NAVER Mail

NAVER Corp.

※ The new NAVER Mail app can only be used on Android OS 9.0 and up. 1. Easily find the mails you want. · You can group and view the mails collected in chronological order by conversation or p…

Free

3.6

10,000,000+ downloads

Communication

KT 스팸차단

KT Corporation

※ 해당 어플은 kt 고객전용입니다. 타 통신사 고객께선 이용이 불가능합니다. ※ 현재 안드로이드 최신버전 보안 정책 변경으로 인하여 앱 내에서 '스팸신고' 기능이 불가합니다. 고객님들의 편의를 위하여 해당 기능을 대체 가능하거나, 또는 해당 기능을 다시 사용할 수 있도록 조치 할 예정입니다. kt 스팸차단 어플이란? 해당 어플은 설치하는 순간 스팸문자…

다음 - Daum

AXZ Corp.

▶︎ A space where we talk again — Community now open! Discover what’s trending right now in the [ Community ] tab. Explore fresh stories and real-time reactions by interest topic. Share yo…

Free

3.9

10,000,000+ downloads

Communication

U+스팸차단 – Click to show

OTO Free International Call

openvacs

OTO Free International Call app provides free international calls and it doesn't charge any international call fee, while it uses your additional/video call minutes given monthly by your carrier comp…

KakaoTalk : Messenger

Kakao Corp.

■ KakaoTalk – Korea’s no. 1 messenger KakaoTalk is more than just a free messenger. It brings you instant connection, fun short-form content, and smart AI features—anytime, anywher…

Free

2.9

100,000,000+ downloads

Communication

Acapela TTS Voices

Acapela Group S.A.

******** Description ******** Acapela TTS allows you to buy and install our high quality voices and integrate them in your Android Device to use them with the system or any TTS compatible applicati…

StrongVPN - Fast, Private VPN

StrongVPN

StrongVPN is your fast and easy tool for unlimited privacy online. Protect your Android, mobile devices, desktop, routers, and more from ISP spying and cybercrime while you use vulnerable Wi-Fi netwo…

Whoscall: Caller ID & Block

Gogolook

🏆 Winner of Google Play's "Taiwan - Best Everyday Essential" award Unknown numbers? Suspicious messages? Too-good-to-be-true offers? Say no more! Whoscall is your everyday shield against…

Free

3.8

50,000,000+ downloads

Communication

Azar: Video Chat, Meet Friends

Hyperconnect LLC

Azar is a video chat app that connects you with millions of people around the world! WITH AZAR, YOU CAN: - Browse profiles in the Lounge and follow or message anyone who catches your eye - Chat with…

Free

3.8

100,000,000+ downloads

Communication

CallApp: Caller ID & Block

CallApp Caller ID, Call Recorder & Spam Blocker

Caller ID? Block numbers? Text & SMS messaging? Call Recording? Phone number lookup? We’ve got it all with CallApp, our phone number lookup & default SMS app! 📞 Caller ID: - Ad…

Free

4.3

100,000,000+ downloads

Communication

Telegram FZ-LLC

Pure instant messaging — simple, fast, secure, and synced across all your devices. One of the top 5 most downloaded apps in the world with over 1 billion active users. FAST: Telegram is the fa…

Free

3.9

1,000,000,000+ downloads

Communication

LINE: Calls & Messages

LINE (LY Corporation)

LINE is transforming the way people communicate, closing the distance between family, friends, and loved ones—for free. With voice and video calls, messages, and a limitless variety of exciting…

Free

3.1

1,000,000,000+ downloads

Communication

Samsung Push Service

Samsung Electronics Co., Ltd.

You can check the installation of the app in 'Settings > Application manager' after downloading the Samsung push service. The Samsung push service provides the notification service only for Samsun…

Free

3.9

5,000,000,000+ downloads

Communication

Google Chrome

Google LLC

Chrome helps you do what’s possible on the web. Choose the fast, secure browser by Google. GET THE BEST OF GOOGLE IN CHROME • SEARCH WITH GOOGLE - Search and get answers on Google fast. …

Free

4.1

10,000,000,000+ downloads

Communication

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