KT 스팸차단

4.7
3.19K reviews
500K+
Downloads
Content rating
Everyone
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About this app

※ This app is for KT customers only. It is not available to customers of other telecommunication companies.
※ Currently, due to security policy changes in the latest Android version, the 'Spam Report' function is not available within the app. For the convenience of our customers, we plan to replace the function or take action to enable the function to be used again.

What is the KT spam blocking app?
This app is not an app that automatically blocks spam messages the moment you install it. Our app is an application that checks the history of spam texts that are basically blocked due to KT's additional service, 'KT Spam Blocking Service', and checks the history of text messages that have been selectively blocked by registering the phrase or number that the user wants to block within the app. no see.

What is kt spam blocking service?
This is a free KT service that blocks spam texts received on mobile phones. If you register a number or phrase that you do not want to receive in the app, texts containing that number or phrase will be automatically filtered out.

You can use the following services in the kt spam blocking app.
1. Block numbers
- You can register and manage the number you want to block. You can also easily block it without separate registration through common blocking numbers and user rankings.
2. Block phrase
- You can register and manage phrases you want to block. In addition, you can easily block without separate registration through common blocking phrases and user rankings.
3. Permitted number
- You can register and manage the numbers you wish to allow.
4. Smart blocking
- Intelligent spam blocking functions to block spam with variant phrases and automatically selects and blocks spam texts.
5. Spam messages
- You can check filtered spam messages through the blocked number/phrase you registered.


[KT spam blocking access rights items and reasons for need]
1. Required access rights
# Phone: User phone number, USIM information, model name, version information, network operator information
# Storage space: Spam image storage
# SMS: Spam blocking text information and spam report, etc.

2. Optional access rights
# Contacts/Address Book: Address book synchronization function
Updated on
May 14, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Personal info and Contacts
Data is encrypted in transit
Data can’t be deleted

Ratings and reviews

4.7
3.17K reviews
Alexander Nikolaev
December 7, 2024
No English language
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Jinbaek Lee (Yeonyanggoon)
April 6, 2024
해외 체류로 로밍중인데 KT 가입자가 아니라네요 하지만 문자는 KT 스팸차단서비스에 2통 와있다는데 그럼 어디서 봐야하나요? 은행앱도 될 정도로 한국 번호 유심 인식도 문제 없는데 갑자기 안 되네요.
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Jiwon
August 4, 2020
차단문구만 잘설정해두면 스팸이 거의안오니 너무좋아요
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KT Corporation
August 5, 2020
안녕하세요 고객님. KT스팸차단입니다. 저희 앱을 편리하게 이용하셨다니 진심으로 감사드립니다. 앞으로도 더욱 편리하고 안전한 서비스 제공을 위해 최선을 다하겠습니다. 저희 앱을 이용해 주셔서 감사합니다.

What’s new

Android OS버전 업데이트에 따른, 주소록 동기화 수행시 필요한 권한 부여 요청

App support

About the developer
(주)케이티
kt.iphone.app@gmail.com
분당구 불정로 90 (정자동) 분당구, 성남시, 경기도 13606 South Korea
+82 10-2917-2284

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