FavoCrypto (by CoinGnu)
It is a watchlist that you can check the price and fluctuation rate (1H, 4H, 24H) of your favorite crypto currency at any time. It supports Bitcoin, Etherium, Ripple, LiteCoin, Bitcoin cash, Dash, Monero, MonaCoin, Nem and more than 1000 Altocoins. Also, by linking with CoinGnu (coingnu.com), there is also a feature to add price alerts for each crypto currency. It is the extension to make your crypto currency life convenient!!