The best alternatives to Cryptosalerting are Notific, Coinvalue, and Rithm. If these 3 options don't work for you, we've listed a few more alternatives below.
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Notific is a multi-chain, multi-platform notification service. Users can connect their wallets on Ethereum and polygon to receive wallet activity notifications on Telegram and WhatsApp.
Coinvalue.xyz is an app to help you manage your crypto coins. It will notify you when prices change drastically (so you can take action accordingly) or when the coin hits the price you had in mind when you bought the coin. Alerts can be received on Twitter, Telegram and e-mail.
Cryptocurrency app to help with digital asset investments. We connect with coinbase or any open wallet so you can create alerts based on any wallet/currency to control your assets. If you are not sure about crypto, you can also simulate wallets on real time.