Welcome toIndie App Spotlight. This is a weekly 9to5Mac series where we showcase the latest apps in the indie app world. If youre a developer and would like your app featured, getin contact.Currency is a completely free currency conversion app for iPhone and Mac, with no ads, a clean design, and offline functionality. It has support for over 160 currencies, making it an easy to use tool for any international travel.Top featuresWith Currency, you can convert between dozens of currencies, all at a quick glance. With its easy to understand interface, you can simply add your desired currencies to a list, type in your desired amount with your default currency, and itll automatically convert to all of the listed currencies at the latest market rate.Currency has support for over 160 currencies, and sources from 15 different exchange rate providers, keeping the data as accurate as possible. It also fetches rates every hour, allowing the app to work accurately, even while offline.The app also supports iCloud Sync, allowing you to keep your currency list consistent between your iPhone and your Mac.As mentioned earlier, Currency is completely free. Theres no ads, no subscriptions, or no in app purchases. What you see is what you get, and everything is available as soon as you download it.The developer also put a lot of thought into the design, making it feel as native as possible. Smaller details like the country flags listed next to the currency icons have also been redrawn to fit into a squircle shape, similar to an app icon on your home screen.It also has a really nice feeling (and fast) Mac app.Currency is available completely for free on the App Store for iPhones and Macs running iOS 17 / macOS Sonoma and later. Unfortunately, theres no native iPad or Apple Vision apps quite yet, but hopefully the developer will get around to it.Follow Michael:X/Twitter,Threads,InstagramAdd 9to5Mac to your Google News feed. FTC: We use income earning auto affiliate links. More.Youre reading 9to5Mac experts who break news about Apple and its surrounding ecosystem, day after day. Be sure to check out our homepage for all the latest news, and follow 9to5Mac on Twitter, Facebook, and LinkedIn to stay in the loop. Dont know where to start? Check out our exclusive stories, reviews, how-tos, and subscribe to our YouTube channel