Based on our record, Flip - Currency Converter seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I guess it depends on your definition of "safe". BuzzKill is developed by Sam Ruston, a trusted developer. People usually install his apps to be safe (Bouncer, for example). Source: almost 3 years ago
XE.com - XE.com Inc. (XE) is a Canadian online foreign exchange services company.
PayPal - PayPal is the faster, safer way to pay online without sharing financial details, send and receive money or accept credit and debit cards as a seller
Cocorate.com - Online currency and cryptocurrencies exchange rates calculator helps you convert anything in real-time.
Stripe - Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.
xCurrency - Smart Currency - A simple ads-free currency converter.
Payoneer - Whether making international payments, receiving funds, managing your digital business, or accessing capital, Payoneer opens your business up to the world.