The top 20 popular Communication Apps for Android in South Korea (with a recent update)

Check out the top Communication Apps which had a recent update in Google Play. We went through all Communication Apps for Android on Google Play in September 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 2025-09-18.

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…

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…

※ 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…

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5,000,000+ downloads

NAVER Corp.
5,000,000+ downloads
COMMUNICATION

※ The new NAVER Mail app can only be used on Android OS 9.0 and up. 1. Easily find the mails you want. · You ca…

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…

Azar: Video Chat, Meet Friends

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: - Browse profiles in the Lounge a…

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100,000,000+ downloads

Hyperconnect LLC
100,000,000+ downloads
COMMUNICATION

Azar: Video Chat, Meet Friends

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

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 …

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…

The official Gmail app brings the best of Gmail to your Android phone or tablet with enhanced security protections, multiple account support, and powerful search to find the details you need. Use the…

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10,000,000,000+ downloads

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

The official Gmail app brings the best of Gmail to your Android phone or tablet with enhanced security protections, mul…

WeChat is more than a messaging and social media app – it is a lifestyle for over one billion users across the world. Chat and make calls with friends, share your life's favorite Moments, enjoy…

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100,000,000+ downloads

WeChat
100,000,000+ downloads
COMMUNICATION

WeChat is more than a messaging and social media app – it is a lifestyle for over one billion users across the wo…

Meta Platforms, Inc.

Messenger is a free messaging app that helps you connect with anyone, anywhere. Stay in touch with your friends and family, explore your interests with people like you, build your community, and shar…

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5,000,000,000+ downloads

Meta Platforms, Inc.
5,000,000,000+ downloads
COMMUNICATION

Messenger is a free messaging app that helps you connect with anyone, anywhere. Stay in touch with your friends and fam…

MobileVOIP international calls

Solaris Systems BV

Cheap Voip Calls: The Mobile VOIP dialer lets you make cheap national or international calls. MobileVOIP is the best Android voip solution; save on your mobile phone costs right away, by using this M…

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10,000,000+ downloads

Solaris Systems BV
10,000,000+ downloads
COMMUNICATION

MobileVOIP international calls

Cheap Voip Calls: The Mobile VOIP dialer lets you make cheap national or international calls. MobileVOIP is the best An…

FolderSync enables simple sync to cloud based storage to and from local folders on the device SD cards. It support a wide range of different cloud providers and file protocols, and support for more p…

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100,000+ downloads

Tacit Dynamics
100,000+ downloads
COMMUNICATION

FolderSync enables simple sync to cloud based storage to and from local folders on the device SD cards. It support a wi…

GO SMS Pro - Messenger, Free T

Video Editor & Video Maker Dev

GO SMS Pro - Nearly 100 Million users' choice, all time #1 messaging app to replace the stock! The brand new messaging app is simple, intuitive, personalizing and fun! GO SMS Pro comes with beauti…

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100,000,000+ downloads

Video Editor & Video Maker Dev
100,000,000+ downloads
COMMUNICATION

GO SMS Pro - Messenger, Free T

GO SMS Pro - Nearly 100 Million users' choice, all time #1 messaging app to replace the stock! The brand new messagin…

Zello PTT Walkie Talkie

Turn your phone or tablet into a walkie talkie with this lightning fast free PTT (Push-To-Talk) radio app. Talk to your contacts privately or join public channels to engage in a hot debate. Zello f…

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100,000,000+ downloads

Zello Inc
100,000,000+ downloads
COMMUNICATION

Zello PTT Walkie Talkie

Turn your phone or tablet into a walkie talkie with this lightning fast free PTT (Push-To-Talk) radio app. Talk to your…

Firefox Beta for Testers

Firefox Browser for Android is automatically private and incredibly fast. Thousands of online trackers are following you every day, collecting information about where you go online and slowing down y…

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10,000,000+ downloads

Mozilla
10,000,000+ downloads
COMMUNICATION

Firefox Beta for Testers

Firefox Browser for Android is automatically private and incredibly fast. Thousands of online trackers are following yo…

Google Messages

Google Messages is the official Google app for messaging. Google Messages is revolutionizing how a billion users connect and is powered by Rich Communication Services (RCS), the industry standard for…

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5,000,000,000+ downloads

Google LLC
5,000,000,000+ downloads
COMMUNICATION

Google Messages

Google Messages is the official Google app for messaging. Google Messages is revolutionizing how a billion users connec…

WhatsApp Messenger

WhatsApp from Meta is a FREE messaging and video calling app. It’s used by over 2B people in more than 180 countries. It’s simple, reliable, and private, so you can easily keep in touch w…

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10,000,000,000+ downloads

WhatsApp LLC
10,000,000,000+ downloads
COMMUNICATION

WhatsApp Messenger

WhatsApp from Meta is a FREE messaging and video calling app. It’s used by over 2B people in more than 180 countr…

Rakuten Viber Messenger

Rakuten Viber Messenger is a secure, fun, and exciting messaging and calling app, connecting over a billion people worldwide! You can do it all with Rakuten Viber Messenger: group chats, disappearin…

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1,000,000,000+ downloads

Viber Media
1,000,000,000+ downloads
COMMUNICATION

Rakuten Viber Messenger

Rakuten Viber Messenger is a secure, fun, and exciting messaging and calling app, connecting over a billion people worl…