The top 20 popular Free Communication Apps for Android in South Korea

Check out the top Communication Apps which are free to download. We went through all Communication Apps for Android on Google Play in July 2025 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 2025-07-16.

whowho - Caller ID & Block

▶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…

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10,000,000+ downloads

VP (Inc)
10,000,000+ downloads
COMMUNICATION

whowho - Caller ID & Block

▶대한민국 3천만 이용자가 경험한 국민 전화 앱 1. Get informed on numbers as the calls come in Choose to reject useless spam, and never mis…

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…

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10,000,000+ downloads

NATE Communications Corporation
10,000,000+ downloads
COMMUNICATION

NateOn UC is all about mobile life. You can send instant messages, SMS, e-mail, whatever you want to send. Moreover, yo…

WhyCall - AI spam blocking app

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…

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5,000,000+ downloads

evain
5,000,000+ downloads
COMMUNICATION

WhyCall - AI spam blocking app

WhyCall can block disturbing calls using AI technology and you can enjoy the convenience with AI Spam Blocking upon sub…

넥슨플레이 – 넥슨 게이머의 필수 앱

★ 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 …

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5,000,000+ downloads

NEXON Company
5,000,000+ downloads
COMMUNICATION

넥슨플레이 – 넥슨 게이머의 필수 앱

★ 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 로그…

Daum Mail - 다음 메일

* 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…

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5,000,000+ downloads

Kakao Corp.
5,000,000+ downloads
COMMUNICATION

Daum Mail - 다음 메일

* The Daum Mail app is available in Android OS 9.0 or higher. [ Key Features ] 1. Multiple account support Check al…

※ The new NAVER Mail app (v3.0.10) 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 convers…

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5,000,000+ downloads

NAVER Corp.
5,000,000+ downloads
COMMUNICATION

※ The new NAVER Mail app (v3.0.10) can only be used on Android OS 9.0 and up. 1. Easily find the mails you want. &midd…

KT 스팸차단

※ 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…

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500,000+ downloads

KT Corporation
500,000+ downloads
COMMUNICATION

KT 스팸차단

※ 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…

▶︎ Looking for a feed that’s all about you? The [ Home ] tab has everything essential: From breaking news, stock updates, and weather to AI-powered briefings that help you quickly catch trendin…

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10,000,000+ downloads

Kakao Corp.
10,000,000+ downloads
COMMUNICATION

▶︎ Looking for a feed that’s all about you? The [ Home ] tab has everything essential: From breaking news, stock …

U+스팸차단 – Click to show

OTO Free International Call

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…

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5,000,000+ downloads

openvacs
5,000,000+ downloads
COMMUNICATION

OTO Free International Call

OTO Free International Call app provides free international calls and it doesn't charge any international call fee, whi…

KakaoTalk : Messenger

With more than 150 Million users worldwide, KakaoTalk is a messenger app connecting people and the world. It works across mobile, desktop and wearable devices. Enjoy KakaoTalk anytime, anywhere in re…

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100,000,000+ downloads

Kakao Corp.
100,000,000+ downloads
COMMUNICATION

KakaoTalk : Messenger

With more than 150 Million users worldwide, KakaoTalk is a messenger app connecting people and the world. It works acro…

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…

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500,000+ downloads

Acapela Group S.A.
500,000+ downloads
COMMUNICATION

Acapela TTS Voices

******** Description ******** Acapela TTS allows you to buy and install our high quality voices and integrate them in…

StrongVPN - Fast, Private VPN

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…

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500,000+ downloads

StrongVPN
500,000+ downloads
COMMUNICATION

StrongVPN - Fast, Private VPN

StrongVPN is your fast and easy tool for unlimited privacy online. Protect your Android, mobile devices, desktop, route…

Whoscall - Caller ID & Block

To have a safe and trustworthy telecommunication environment, Whoscall is your one and only option! With having more than 100 million downloads globally, Whoscall is a highly-regarded phone app with…

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50,000,000+ downloads

Gogolook
50,000,000+ downloads
COMMUNICATION

Whoscall - Caller ID & Block

To have a safe and trustworthy telecommunication environment, Whoscall is your one and only option! With having more t…

Azar: 1 on 1 Video Chat Online

Hyperconnect LLC

Azar is a video chat app that instantly connects you with millions of people nearby and around the world. You never know who you might meet next! WITH AZAR, YOU CAN: - Azar’s algorithm matches…

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100,000,000+ downloads

Hyperconnect LLC
100,000,000+ downloads
COMMUNICATION

Azar: 1 on 1 Video Chat Online

Azar is a video chat app that instantly connects you with millions of people nearby and around the world. You never kno…

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…

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100,000,000+ downloads

CallApp Caller ID, Call Recorder & Spam Blocker
100,000,000+ downloads
COMMUNICATION

CallApp: Caller ID & Block

Caller ID? Block numbers? Text & SMS messaging? Call Recording? Phone number lookup? We’ve got it all with …

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…

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1,000,000,000+ downloads

Telegram FZ-LLC
1,000,000,000+ downloads
COMMUNICATION

Pure instant messaging — simple, fast, secure, and synced across all your devices. One of the top 5 most download…

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…

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1,000,000,000+ downloads

LINE (LY Corporation)
1,000,000,000+ downloads
COMMUNICATION

LINE: Calls & Messages

LINE is transforming the way people communicate, closing the distance between family, friends, and loved ones—for…

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…

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5,000,000,000+ downloads

Samsung Electronics Co., Ltd.
5,000,000,000+ downloads
COMMUNICATION

Samsung Push Service

You can check the installation of the app in 'Settings > Application manager' after downloading the Samsung push ser…

Google Chrome is a fast, easy to use, and secure web browser. Designed for Android, Chrome brings you personalized news articles, quick links to your favorite sites, downloads, and Google Search and …

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10,000,000,000+ downloads

Google LLC
10,000,000,000+ downloads
COMMUNICATION

Google Chrome is a fast, easy to use, and secure web browser. Designed for Android, Chrome brings you personalized news…