TaxTech - 세금 계산기

Contains ads
Content rating
Everyone
1+
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Content rating
Everyone
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About this app

This is a tax refund calculator for freelancers and side hustlers.

[ Key Features ]

3.3% Withholding Tax Refund Calculation
Input your income and industry to instantly calculate your estimated refund.

Supports both the Simple Expense Ratio and the Standard Expense Ratio methods.

Detailed Comprehensive Income Tax Calculation
Calculates comprehensive income tax by combining business income, employment income, and other income.

Check the accurate estimated tax amount reflecting various income deductions and tax credits.

Value Added Tax (VAT) Calculation

Supports both general taxpayers and simplified taxpayers.

Calculates the tax payable by automatically applying industry-specific VAT rates.

Tax Calculation for Multiple Job Holders

Calculates comprehensive income tax by combining multiple income sources.

Check your tax liability considering both your regular job and side hustle income.

Tax Saving Simulation (Pro)

Simulate various tax-saving strategies to see how much you can reduce your taxes.

Analyzes the effectiveness of tax-saving items such as the Yellow Umbrella Mutual Aid, Private Pension, and IRP.

Tax Schedule Calendar

Provides advance notice of major payment deadlines, including Comprehensive Income Tax and VAT.

Tax Saving Guide

Provides practical tax-saving tips for freelancers and part-time workers.

[ Supported Industries ]

Instructors/Education, Designers, Developers/IT, Platform Work (Delivery/Agency), Translation/Interpretation, Writers/Journalists, Consulting, Other Services

[ Important Note ]

The calculation results of this app are for reference only and may differ from the actual tax amount. For accurate tax filing, please use the National Tax Service Hometax or a tax accountant. This app is not a tax agency service.
Updated on
Apr 20, 2026

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

What’s new

TaxTech 첫 번째 버전 출시!

• 3.3% 원천징수 환급 계산기
• 종합소득세 상세 계산
• 부가가치세(VAT) 계산
• N잡러 다중 소득 합산 계산
• 세금 일정 캘린더
• 절세 가이드
Content rating
Everyone
Learn more

App support

About the developer
시와이케이인터내셔널
cykinter84@gmail.com
대한민국 14556 경기도 부천시 원미구 조마루로385번길 122, 제지하1층 제비151호(춘의동,삼보테크노타워)
+82 10-6689-3805

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