삼쩜삼 - 세금/병원비 환급, 휴대폰 지원금, 앱테크

We find your hidden money to the very end!

From tax refunds and medical expense reimbursements to the Hometown Love Donation System, telecommunication subsidies, and app-based money-making strategies,

Claim every single penny you were missing out on because you didn't know about it with Samjeomssam.

● What kind of service is Samjeomssam?

- We provide tax processing assistance services to help you claim your hidden refunds.

- Samjeomssam's partner tax accountants assist business owners with their regular comprehensive income tax filings.

Samjeomssam's tax-related services focus on tax saving by helping you search for tax information, calculate refund amounts for the past five years, and assist with your own refund application; they are not tax agency services.

With Samjeomssam, anyone can handle difficult and complex refund filings quickly and easily.

(It does not include tax consultations or tax agency services provided by experts such as tax accountants.)

● 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 Refund,’ anyone with indemnity medical insurance can receive a refund for medical expenses.

- Start your day with various missions in the Benefits tab. You can purchase gift certificates with points.

Samjeomsam provides convenient tax filing assistance along with personalized government benefits and tax-saving information useful for daily life. Download the Samjeomsam app now to utilize the various additional features available only through the app. We will continue to help you apply these features immediately in your daily life!

● Is Samjeomsam a trustworthy place?

Samjeomsam 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.

Minimum personal information is collected for service usage, encrypted and securely stored in accordance with relevant laws, and is immediately destroyed after the necessary purpose has been achieved. The 3o3 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 via the ‘Customer Center’ in the app or the KakaoTalk Plus Friend ‘3o3 Customer Center’.

● 3o3 Official Sites & 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 regarding feature 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). You can continue from where you left off by using the app again after the maintenance period.

※ Service Permission Access Guide

[Essential Access Permissions]

- Search installed apps: Detecting malicious apps to prevent personal information leakage incidents

* You cannot use Samjeomssam if a malicious app is installed.

[Optional Access Permissions]

- Camera: Using the service, 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 service use

- Physical Activity (Motion & Fitness): Recording physical activities 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 permission items

※ The average refund application amount of 288,635 KRW is the average 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. ※ The average hospital expense refund claim amount of 414,000 KRW represents the average refund claim amount per person for 155,658 cumulative applicants from July 2025 to February 2026.

※ The 43,061P points used in this content represent the annual average points paid to 24,382,686 cumulative service customers during the period from January 1, 2025 to November 4, 2025.

※ The average telecommunication subsidy amount of 441,813 KRW represents the average claim amount per person based on the total number of refund claims for 193 cumulative customers who completed their contracts during the period from April 1, 2026 to June 22, 2026.

※ Based on the period from May 1, 2020 to April 1, 2026, the number of eligible customers (13,965,129) is 71% of the 19,518,109 refund inquiry users.

※ ※ The existence of a refund and the estimated refund amount may vary depending on individual conditions (personal details, eligibility for deductions, and applicability, etc.).