Just wanted to share this site, where you can set up alerts by Email and SMS in USD rate, when you're favorite coins and tokens drop or rise to the point your interested in: works perfect both with BTC and USD rate - https://coinwink.com/
Almost every Coin is listed, including NEO, OMG, PAY, ETH and GNT, been looking for a USD alert service, and this is the one.
You're welcome. :D