Travel Currency Converter Koin
Live & Offline Exchange Rates
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Rates now refresh throughout the day. Koin+ adds all 167 currencies, offline access, and a year of rate history.
The simplest way to convert currency, anywhere in the world.
Koin is the essential travel tool for exchange rates. Whether you're shopping, traveling, or budgeting, get the number you need without the noise.
FAST & FOCUSED
• Instant conversion: type an amount and see it in every currency you follow.
• Fresh rates: updated throughout the day.
• Zero ads: a clean, ad-free experience for every user.
SMART FEATURES
• Minimalist interface designed for speed and ease of use.
• Favorites: keep your most-used currencies one tap away.
• Cross rates: compare several currencies at a glance and see which way each one moved today.
GLOBAL COVERAGE
167 world currencies, including USD, EUR, GBP, JPY, and CHF. Koin covers currencies only, with no crypto or precious metals.
KOIN+
The free app converts between USD, EUR, GBP, JPY, and CHF with rates refreshed every 3 hours. Koin+ unlocks the rest:
• All 167 currencies.
• Unlimited rate updates, refreshed in the background.
• Offline access: convert anywhere, with no roaming fees or Wi-Fi required.
• Rate history: charts from one week to one year for any pair.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://koincurrencyapp.github.io/privacy-policy/
Ratings & Reviews
Rates refresh faster and more reliably.
• Charts include today's live rate.
• Cross Rates shows a steady icon when a rate has barely moved.
• Fixed deleting and reordering favorites while some are hidden.
• Fixed the paywall header on iOS 27.
The developer, Goksel Koksal, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Location
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Goksel Koksal
- Size
- 25.7 MB
- Category
- Travel
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later.
- iPhone
- Languages
- English and Turkish
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Koin+ Yearly $14.99
- Koin+ Weekly $0.99
- Copyright
- © Goksel Koksal