HanokCalc KR: Jeonse & Rent

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About this app

Navigate the South Korean real estate market with total confidence. HanokCalc KR is the definitive offline financial analysis and deposit safety toolkit designed for tenants, landlords, and property investors in Korea.

Whether comparing a Jeonse (lump-sum deposit) lease against Wolse (monthly rent), auditing statutory conversion rate caps, or verifying HUG deposit return guarantee thresholds, HanokCalc KR delivers instantaneous, institutional-grade calculations directly on your phone.

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KEY FEATURES & CAPABILITIES
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1. JEONSE VS. WOLSE RENTAL CONVERTER
- Calculate exact monthly rent equivalents from Jeonse deposits and vice versa.
- Opportunity Cost Modeling: Factor in bank savings interest, loan rates, and cash outflows.
- Break-Even Rent Engine: Pinpoint the exact rent where Jeonse and Wolse costs break even over a 24-month lease.
- Total 2-Year Cost Comparison: Clear breakdown of interest paid, rent expended, and net savings.

2. STATUTORY CONVERSION RATE AUDIT (주택임대차보호법)
- Compliant with Article 7-2 of the Korean Housing Lease Protection Act.
- Automatic legal ceiling calculation: min(10.0% fixed cap, BOK Base Rate + 2.0% statutory spread).
- Instantly detect if a landlord's proposed rent exceeds legal caps, preventing unlawful rent surcharges.

3. HUG DEPOSIT GUARANTEE AUDIT (전세보증금 반환보증)
- Evaluate apartment, villa (multi-family), officetel, and detached home lease safety before signing.
- 90% Debt Ratio Rule: Audits combined senior mortgage debt (근저당권) plus deposit against property market value.
- Senior Mortgage Ceiling: Confirms senior debt does not exceed 60% of property value.
- Court Auction Margin Simulator: Estimates auction bid drops to gauge loss risk under landlord default scenarios.

4. 100% OFFLINE, PRIVATE & SECURE
- Zero Data Collection: Your property addresses, lease terms, and loan figures never leave your device.
- No Accounts or Logins: Calculate immediately without registration or personal details.
- Completely sandboxed locally on your Android device.

5. 12 GLOBAL LANGUAGES SUPPORTED
Fully localized for Korean citizens, expats, foreign students, and international investors:
- Korean (한국어), English (US), Japanese (日本語)
- Chinese Simplified (简体中文), Chinese Traditional (繁體中文)
- Vietnamese (Tiếng Việt), Indonesian (Bahasa Indonesia), Thai (ไทย)
- Spanish (Español), French (Français), German (Deutsch), Russian (Русский)

6. REAL-TIME WON (₩ / 억 / 만) NOTATION
Seamlessly toggle between Korean standard financial notation (억, 만 원) and Western numeric delimiters for intuitive reading of large deposit sums.

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WHO IS HANOKCALC KR FOR?
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- Tenants (임차인): Protecting deposits from canned Jeonse (깡통전세) and checking legal rent caps.
- Landlords (임대인): Calculating compliant conversion rates when adjusting lease contracts.
- Real Estate Brokers (공인중개사): Providing transparent lease comparisons during consultations.
- Expats & Students in Korea: Understanding Korean tenancy dynamics without language barriers.

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LEGAL DISCLAIMER
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HanokCalc KR provides financial simulations based on prevailing Korean real estate legislation and standard market formulas. It does not constitute formal legal or financial advice. Users should examine certified property register transcripts (등기부등본) and consult licensed real estate professionals before executing transactions.

What’s new

Welcome to the initial release of HanokCalc KR!
- Jeonse vs. Wolse Engine: Instant break-even rent & 24-month cost comparison.
- Statutory Rate Cap Audit: BOK Base Rate + 2.0% statutory conversion rate checker.
- HUG Deposit Safety Check: 90% debt ratio & court auction margin simulator.
- 100% Offline & Private: Zero personal data collected or stored.
- Global Ready: Localized in 12 languages with Korean Won (억/만) formatting.
- Polished UI with smooth light and dark mode experiences