Cryptn is a basic crypto notification & calculator app and its free to download and use. Simple to start notifications on Crypto prices. Install the app, No sign-up required, Free to use. Setup your alert price for your favorite coin and get notified when the price touch your alert price. USE THE CALCULATOR Use the crypto profit calculator to see how much you can earn if you trade for a particular coin. Adjust your buy and sell price and see the profit. ENABLE PUSH NOTIFICATION Setup your buy & sell alert price and save it. Get notified when the price touches those points. Use any investment app to buy & sell your coin. Cryptn will notify you when its again time to sell your coin.