The best alternatives to Bittracker are CityCoins, Crypton, and Bitcoin Price. If these 3 options don't work for you, we've listed a few more alternatives below.
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CityCoins give communities the power to improve and program their cities, while providing crypto rewards to individuals and city governments alike. Anyone can mine CityCoins, program them via smart contracts, and even earn BTC as the network is used more.
Crypton has been around since 2016 but I think I never posted it on PH. It's the easiest crypto price & portfolio tracker with support for all cryptocurrencies.
CoinCurrently helps you stay up to date when tracking the price and news of each cryptocurrency. Now with price alert push notifications. You can also add currencies to your portfolio. The app has a variety of widgets to make it extra easy to stay up to date.