삼쩜삼-세금ㆍ병원비 환급, 휴대폰 지원금, 앱테크

Claim all your hidden money with Samjeomssam, not just your May tax refunds!
From comprehensive income tax to medical expense refunds, the Hometown Love Donation Program, telecom subsidies, and app-based money-making strategies,
we help you find every single penny you missed out on simply because you didn't know about it.

● What is Samjeomssam?
- We provide a comprehensive income tax filing assistance service so you can claim your hidden refunds.
- Our partner tax accountants assist business owners with their regular comprehensive income tax filings. Samjeomssam

focuses on creating continuous value for customers in terms of tax savings, so we aggregate all income and additional deduction items for filing. It is a service that allows anyone to handle difficult and complex tax filing easily, quickly, and conveniently.

● What features does Samjeomssam offer?
- We deliver "Jjeom, Money-Making Stories," covering everything from tax tips to questions about Samjeomssam.
- Check your income and tax history for the past 5 years with the "Income Certificate."
- With "Medical Expense Refunds," anyone with indemnity medical insurance can receive a refund for their medical expenses.
- Start your day with "Daily Missions" in the Benefits tab. You can use points to purchase gift certificates.

Along with easy tax filing assistance, Samjeomssam provides personalized financial and tax-saving information useful for everyday life. Download the Samjeomssam app now to utilize the various additional features available only through the app. We will help you apply what you learn immediately to your real life!

● Is Samjeomssam trustworthy?
Samjeomssam is a service operated by Jarvis & Villains Co., Ltd., a tax tech company established in 2015. It is Korea's leading tax filing and refund assistance service, chosen by 24 million cumulative subscribers.

Minimal personal information is collected for service usage, which is encrypted and securely stored in accordance with relevant laws, and is immediately destroyed after the necessary purpose has been achieved. The Samjeomssam system protects your information through a thorough and secure security management system. Having received official recognition for its safety and reliability, it has obtained the Information Security Management System (ISMS) certification administered by the Korea Internet & Security Agency (KISA).

● Do you have any inquiries?
Please leave an inquiry in the 'Customer Center' within the app or via the KakaoTalk Plus Friend 'Samjeomssam Customer Center'.

● 3o3 Official Site & SNS
Website: https://www.3o3.co.kr/
YouTube: https://bit.ly/3HiR8iF
Instagram: https://www.instagram.com/3o3_official/
Blog: https://blog.naver.com/jobisnv

※ Notice of Function Restrictions
During Maintenance Some functions, such as checking your initial refund, may not work if you sign up during the Hometax maintenance hours (daily 00:00–09:00). Please use the app again after the maintenance period to continue from where you left off.

※ Service Permission Access Notice
[Essential Access Permissions]
- Search installed apps: Detecting malicious apps to prevent personal information leakage
* You cannot use 3o3 if a malicious app is installed.

[Optional Access Permissions]
- Camera: Use of services such as taking photos/videos necessary for consultations, photographing ID cards for medical expense refunds, and photographing palm lines to provide event benefits.
- Storage: Attaching photos and files stored on the device.
- Notifications: Receiving notifications necessary for using the service.
- Physical Activity (Motion & Fitness): Recording physical activity such as pedometers
. * You can change access permissions in the OS Settings app, and you can use Samjeomssam even if you do not agree to the optional access permissions.
- How to revoke optional access permissions: Settings > View All Apps > Samjeomssam > App Permissions > Allow/Disallow Access Permissions

※ 288,635 KRW is the average application amount per person based on the total refund applications of 7,208,747 cumulative reporting customers during the period from
May 1, 2020 to April 1, 2026. ※ 414,000 KRW is the average refund amount for 155,658 cumulative applicant customers from July 2025 to February 2026.
※ As of May 1, 2020 – April 1, 2020, there are 13,965,129 customers eligible for refunds out of 19,518,109 refund inquiry users, representing 71%.
※ The existence of a refund and the estimated refund amount may vary depending on individual conditions (personal details, eligibility and application of deduction items, etc.).
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Developer Contact:
Jarvis & Villains Co., Ltd. 9th & 10th Floors, 8 Teheran-ro 44-gil, Gangnam-gu (Yeoksam-dong, ICON Yeoksam)
Gangnam-gu, Seoul 06210
South Korea 1588600171 2017-Seoul Gangnam-02346 Self-Reporting