Bill Letter

3.5
25.5K reviews
10M+
Downloads
Content rating
Everyone
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About this app

"Bill Letter" integrates and manages various bills, including telecommunications bills, credit card statements, local taxes (Seoul City), and city gas bills, previously received by mail or email. Experience a variety of value-added services, from asset management to real-time bill tracking and lifestyle benefits.

[Key Features]
■ Apply for bills, manage all your bills in one place, and conveniently pay them!
- SK Telecom / SK Broadband / Credit Cards (KB Kookmin, Samsung, Hana Card) / Local Taxes (Seoul City) / City Gas / Cash Receipts
- Pay your telecommunications bills with Kakao Pay / Naver Pay / Toss Pay / 11pay Money / Bank Transfer / Check & Credit Card / 11pay / OK Cashbag Points / Convenience Store QR Codes

■ Real-time bill details reveal your usage patterns!
- Real-time telecommunications bills / Data usage tracking / Last month's usage / Rate plan tracking, etc.

■ See your bills at a glance! - Telecommunication charges / card statements, local taxes (Seoul City), city gas, and other bills / car market prices, etc.

■ View valuable information, including card points, dormant deposits, and insurance payments!
- Integrated inquiry of card points, dormant deposits, insurance payments, and overpaid car insurance premiums, etc.

■ Enjoy personalized recommendations and events for Bill Letter customers!
- Additional services / events / recommended information

Receive various bills through 'Bill Letter,' your telecommunications and financial life in the palm of your hand.

You can receive all your bills in one place, safely and conveniently, reducing the risk of personal information leakage due to mail theft or loss.

• For any inconveniences, please contact Customer Service at 114 and we will promptly assist you.

[App Access Permissions]
- Phone (*Required): Required to maintain the authentication status received on your device and continue using Bill Letter.
- Notifications (Optional): Required to receive push messages.

- Physical Activity (Optional): Required to measure your step count with the pedometer service. - Disable battery usage optimization (optional): This permission is required for the pedometer service to measure and record your step count in real time.
*You can change app access permissions by going to Settings > Applications.
*App access permissions are only available on Android 6.0 or later. If you're using a version lower than 6.0, please update your software.

[Note]
- This service is available on Android OS 7 or later.
- For smooth use, please update your device's OS and app to the latest version.
- Data call charges may apply when using the service on 3G, LTE, or 5G. (Data call charges do not apply when using the SKT/SKB rate guide on an SKT mobile phone.)
- This service is only available to SKT, KT, and LG U+ subscribers. (Some MVNO subscribers may also be eligible.)
- Service availability may be restricted depending on your mobile carrier, privacy policy, and the identity of the subscriber. - If you register for SKT's billing information, the type of billing information you previously received (mail, text, etc.) will change to Bill Letter. You can change the billing information type in T World.
- Available payment methods may vary depending on the billing company.
*Developer Contact: +8215990011
Updated on
Dec 2, 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
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

3.5
25.4K reviews
Pushparaj Bhujel
November 7, 2020
I think bill letter should enable English language also so, it can be helpful for international customers also.
24 people found this review helpful
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SKTelecom
November 9, 2020
안녕하세요. Bill Letter 담당자입니다. 먼저, 이용에 불편을 드려 죄송합니다. 말씀하신 내용은 추후 개선될 수 있도록 담당 부서로 전달하겠습니다. Bill Letter를 이용하시다가 궁금하신 사항은 댓글이나 이메일(cscenter@sk.com), 114 고객센터로 연락 주시면 친절하고 상세하게 답변드리겠습니다. 감사합니다.
A Google user
January 13, 2020
Actually it's not really that important to install this app.One can still check their phone bill in mobile T world app. So i rather found it unnecessary.
25 people found this review helpful
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SKTelecom
January 15, 2020
안녕하세요. Bill Letter 담당자입니다. Bill Letter의 경우 휴대폰, 인터넷 요금뿐 만이 아니라 공과금 신용카드 등 각종 다양한 청구서를 한 번에 모아서 볼 수 있는 어플입니다. Bill Letter를 이용하시다가 궁금하신 사항은 댓글이나 이메일(cscenter@sk.com), 114 고객센터로 연락 주시면 친절하고 상세하게 답변드리겠습니다. 감사합니다.
H Lee
October 5, 2020
Just forcible update without any explanation given ahead. I bet the APP developers didn't learn any manners.
16 people found this review helpful
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SKTelecom
October 12, 2020
안녕하세요. Bill Letter 담당자입니다. 불편을 드려 정말 죄송합니다. 업데이트는 더욱 안정된 서비스 제공을 위하여 진행되고 있습니다. 업데이트를 하지 않을 경우 Bill Letter 사용이 제한될 수 있으니, 번거로우시더라도 양해 부탁드립니다. 더 문의하실 사항이 있다면 이메일(cscenter@sk.com) 또는 SKT 고객센터로 문의해주시면 정확하고 상세하게 답변드리겠습니다. 서비스 이용에 불편을 드리는 점 양해 바라오며, 더욱 편리하고 안정된 서비스 제공을 위해 최선을 다하겠습니다. 감사합니다

What’s new

- SKB 챗비 URL 업데이트