Ninjalerts provides push notifications for any Ethereum transaction.
What is Ninjalerts?
Ninjalerts is an easy to use NFT trading tracker for Ethereum. Users can follow a selection of contracts or wallets, then receive notifications on actity to their mobile devices and Google Chrome. Developers can also use the notifications for trading. While Ninjalerts only supports Ethereum at the moment, they are looking into other blockchains and it is the only mobile compatible NFT analytics app, with support for iOS and Android.