Sifr is described as 'Bitcoin & cryptocurrency exchange and trading platform. Instantly Buy and Sell Bitcoin (BTC), Litecoin (LTC), Ethereum (ETH) and altcoins on the most advanced digital assets platform' and is a Crypto Exchange Tool in the Bitcoin & Cryptocurrency category. There are more than 100 alternatives to Sifr, not only websites but also apps for a variety of platforms, including Android, iPhone, Windows and Mac. Most alternatives are Crypto Exchange Tools and Crypto Wallets. The best alternative is Coinbase, which is free. Other great sites and apps similar to Sifr are Bisq (Free, Open Source), Exodus (Free), Kraken (Paid) and Binance (Freemium).
CryptoJar is an easy social, secure Bitcoin (BTC) wallet with social and crowdfunding features. You can also buy bitcoin from inside the app. Your Bitcoin is accessible from our website and Android app. We aim to have an iOS app ready later this year.
BestChange is a specialized online e-currency exchange service that monitors rates for dozens of popular conversion pairs in near real-time lists of reliable e-currency exchangers helping you complete your transaction quickly and efficiently.