Cryptonaut is described as 'Mobile app for managing your cryptocurrency portfolio. It allows you to add any cryptocurrency or token available today like Bitcoin, Ethereum, Litecoin, Ripple and more - and then track the value of your holdings in the currency of your choice, Bitcoin, or' and is a crypto portfolio tracker in the bitcoin & cryptocurrency category. There are more than 50 alternatives to Cryptonaut for a variety of platforms, including Web-based, Android, iPhone, Android Tablet and iPad apps. The best Cryptonaut alternative is CoinWatch, which is both free and Open Source. Other great apps like Cryptonaut are CoinMarketCap, CryptoTracker, Coingecko and CoinTracking.