Fetch Rewards is an app that lets users earn points for scanning receipts; here's how I used the app to land a $25 gift card.

This weekend, the rewards app Fetch is debuting its very first Super Bowl ad, which includes a live giveaway of $1.2 million. Super Bowl spots cost roughly $8 million now – what’s one more mil, right?

People watch the Super Bowl for all sorts of reasons—the battle of two top teams, a halftime show with the premier acts in the country, and commercials that cost millions to produce and air. But ...