RateStack

RateStack converts one amount across all your currencies at once. • Tap any currency to type. No From/To selectors, no Convert button. • Built-in calculator keypad: type 120 × 3 + 15 and every row updates • Works offline from cached reference rates, with clear source and freshness • 160+ world currencies, 60 cryptocurrencies, and gold, silver, platinum, and palladium • Live crypto prices while the app is open • Saved stacks for travel, work, or family • Rate charts and history for any pair • Compare a bank or bureau quote against the reference rate and see the real spread • Rate alerts delivered as local notifications • Personal rates for the rate your bank or bureau actually gives you • Choose your rate source, including optional unofficial street rates for NGN, ARS, and VES • Home Screen and Lock Screen widgets, Spotlight search, Shortcuts, and Siri • Light and dark themes, plus a…