# Koinka - Currency Converter — Exchange Rates Made Simple

> Exchange Rates Made Simple (iPhone/iPad app by CHI CHUN CHEN.)

- Source: https://appshunter.io/ios/app/koinka-currency-converter/id6760645463 (this page in markdown: same URL + `.md`)
- Developer: [CHI CHUN CHEN](https://appshunter.io/developer/1885484328)
- Category: Travel
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 32 MB
- Languages: American English, French (France), German (Germany), Indonesian, Italian, Japanese, Korean, Brazilian Portuguese, Chinese (Simplified, China), European Spanish and 3 more
- Released: 2026-03-27
- Data updated: 2026-09-01
- User reviews in markdown: https://appshunter.io/ios/app/koinka-currency-converter/id6760645463/reviews.md

## What is Koinka?

Koinka is a beautifully simple currency converter designed for travelers and international shoppers.

REAL-TIME RATES
Stay up to date with live exchange rates for 80 currencies. Rates are refreshed throughout the day so you always have the latest numbers.

INTUITIVE CALCULATOR
Built-in calculator keypad lets you convert amounts across multiple currencies instantly. Supports addition, subtraction, multiplication, and division — all on one screen.

TAX REFUND CALCULATOR
Covers 65 countries across Asia, Europe, Americas, and the Middle East. Automatically calculates your tax refund so you know exactly what you'll save.

RATE TRENDS
View historical exchange rate charts to find the best time to exchange. Make informed decisions and get the most for your money.

CLEAN DESIGN
A clutter-free interface with smooth interactions. No ads, no distractions — just the exchange rates you need.

KOINKA PRO
Unlock unlimited custom items, a marketplace of credit card cash-back and tax refund templates, formula support, and link sharing for your custom items. 14-day free trial included. Choose monthly, yearly, lifetime, or a 14-day Travel Pass for a single trip.

KEY FEATURES
• Real-time rates for 80 currencies
• Built-in calculator with arithmetic operations
• Tax refund calculator for 65 countries
• Historical rate charts
• Sync across devices
• Custom items with formulas (Pro)
• Marketplace of credit card and tax refund templates (Pro)
• Available in 13 languages
• Completely ad-free

SUPPORTED CURRENCIES
Convert between major currencies including US dollar, Japanese yen, Korean won, Thai baht, Mexican peso, euro, British pound, and dozens more. Whether you're checking forex rates or comparing foreign currency values, Koinka covers 80 currencies worldwide.

WHO IS IT FOR
• Travelers planning a trip abroad — quickly check how much your money is worth in foreign currencies
• International shoppers calculating duty-free savings at overseas stores
• Business professionals tracking forex movements across markets
• Anyone who needs a fast, reliable foreign currency converter on the go

Exchange rates are for reference only and do not constitute financial advice.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Yearly | $14.99 | per year |
| Monthly | $2.49 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Buy me a coffee | $1.99 | one-time |
| Buy me a latte | $3.99 | one-time |
| Buy me a treat | $9.99 | one-time |
| Travel Pass (14 days) | $2.49 | one-time |
| Pro Lifetime | $49.99 | one-time |



## Version history (last 5 releases)

### 1.3.0 — 2026-06-22

This update brings a few new things to Koinka:

- Apple Watch app — convert and switch currencies right from your wrist, with rates and your currency list synced from your phone
- App Icons — 13 colors to choose from. Head to Settings, pick the one that suits you, and your Home Screen looks brand new
- Redesigned currency details — Tap any currency to see its rate trend and recent highs and lows at a glance, with quick convert built right in

The opening animation got a fresh look too, fading from grayscale into color before settling upright.

A few small things got tidied up along the way.

### 1.2.0 — 2026-06-07

Check rates without even opening the app — this update brings three new widgets:

- Trend — One chart, one glance. On the medium size, tap to switch between week, month, and year
- Trend List — A whole row of currencies, with who's up and who's down crystal clear
- Currency Calculator — The calculator moves right onto your Home Screen; tap away at numbers, hit swap and the amount flips with the currencies

First time you open the app, we'll take you on a quick tour of these new friends so you don't have to hunt around.

Plus eight new languages: Spanish, German, French, Brazilian Portuguese, Thai, Vietnamese, Indonesian, Italian. Koinka now speaks 13 languages.

A few small things got fixed along the way.

### 1.1.0 — 2026-05-21

v1.1.0

- Koinka Pro subscription (monthly / yearly / travel pass / lifetime) unlocks unlimited custom items
- Custom item marketplace: credit card cash-back, tax refund for 65 destinations
- Custom items now support formulas (e.g., amount × 95%)
- iCloud sync for custom items
- Share custom items via link
- New onboarding tip introduces Custom Tools for credit card cash-back, tax refund, and more

### 1.0.3 — 2026-05-06

Koinka just got an update!

- Theme picker now closes itself after you pick a color — no extra tap needed
- Fixed the keypad getting pushed off-screen at very large text sizes

### 1.0.2 — 2026-05-01

Koinka just got an update!

- Improved app stability and security
- Enhanced background updates for fresher rates

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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 2026-09-01.*