Yield Alarm

We're personal finance nerds. We use Raisin (a savings account aggregator) to maximize interest on savings accounts. We made this tool to alert us when interest rates shift and better options are available. We soft launched a while ago and have some happy customers who found us organically. It's <59¢/month, billed annually @ $6.99, after a 60-day free trial. Most of the rates fluctuate somewhat...