Earn up to $250 bonus cash back with the Chase Freedom Unlimited and the Chase Freedom Flex

When it comes to no-annual-fee credit cards, it doesn't get much better than Chase's duo of the Chase Freedom Unlimited® (see rates and fees) and the Chase Freedom Flex® (see rates and fees).And right now, the Freedom Flex has an elevated welcome offer: Earn $250 cash back after spending $500 on purchases in the first three months from account opening.Both reward credit cards offer strong earning rates with no annual fee. Even better, they offer the flexibility to earn either cash back or fully transferable Chase Ultimate Rewards points when combined with select Chase cards, such as the Chase Sapphire Preferred® Card (see rates and fees).Here's how the current offers compare and what to know before applying.Chase Freedom Flex welcome offerNew Chase Freedom Flex cardholders can earn $250 cash back after spending $500 on purchases in the first three months from account opening.This is the first time in a few years we've seen the card offer more than its typical welcome bonus.And while previous offers have included elevated first-year earning rates on groceries, subject to spending caps, the current $250 bonus is the highest fixed cash-back bonus we've seen on the card.THE POINTS GUYE...