# Korea VAT 10% Calculator — VAT calculator for Korea

> VAT calculator for Korea (iPhone/iPad app by sosone.)

- Source: https://appshunter.io/ios/app/korea-vat-10-calculator/id6782660501 (this page in markdown: same URL + `.md`)
- Developer: [sosone](https://appshunter.io/developer/1748061632)
- Category: Finance, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 13.0 · 29 MB
- Languages: American English
- Released: 2026-06-22
- Data updated: 2026-08-23
- User reviews in markdown: https://appshunter.io/ios/app/korea-vat-10-calculator/id6782660501/reviews.md

## What is Korea VAT 10% Calculator?

A simple and practical VAT management app designed for Korean sole proprietors and corporations.
Handle VAT calculations and biannual tax payment preparation without the hassle.

Core Features
- Two-Way Instant Calculation: Enter the supply price to get the VAT-inclusive amount, or reverse-calculate the supply price from a VAT-inclusive total.
- Sales & Purchase Calendar: Record daily sales and purchase transactions with counterparty auto-complete.
- VAT Payment Manager: Enter sales/purchase amounts for Period 1 (Jan–Jun) or Period 2 (Jul–Dec). Auto-calculates the tax payable or refundable after deducting any preliminary tax paid.
- Calendar Auto-Sync: Automatically pulls calendar transaction data into the payment screen.
- Data Backup: Backup and restore all app data via JSON file.

Recommended For
- Sole proprietors and corporations preparing their own VAT filings.
- Anyone who needs to quickly convert between supply price and VAT-inclusive amounts.
- Business owners who want to track monthly sales and purchases on a visual calendar.
- Those who want to estimate their biannual VAT liability in advance.

Accurate Tax Calculation
- Output Tax (Sales × 10%) − Input Tax (Purchases × 10%) = Tax Payable / Refundable, calculated automatically.


## Version history (last 1 release)

### 1.0.0 — 2026-06-22

No release notes.

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All apps by sosone: https://appshunter.io/developer/1748061632

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-23.*