Not credit advice. Facts and math from issuer pages and the CFPB, each with its date. Offers change; approval depends on your credit. Verify on the issuer's site.
Rubric: too close to call (under 3 pts). Scores: Discover it Cash Back 78.3%, Chase Freedom Flex 77.3%.
At a sample $1,920/month (groceries $500, dining $300, gas $150, travel $150, online $200, other $400 …): Discover it Cash Back nets $230/yr, Chase Freedom Flex nets $302/yr after annual fees. Use your own numbers →
Late feeup to $41 up to; $0.00 for first occurrence; $30.00 if not charged a late fee within last six billing cycles; $41.00 otherwise files.consumerfinance.gov, 2025-12-31
Penalty APRup to 29.99% Chase's CFPB-filed agreements list a penalty APR of 'up to 29.99%'; agreements are not labeled by product, so this is issuer-level consumerfinance.gov, 2026-06-30
⚠ Late fee up to $41 · Rotating 5% quarterly categories need activation and change each quarter; not modeled (we count the 1% base). First-year Cashback Match not counted.
⚠ APR up to 27.99% if you carry a balance · Penalty APR up to 29.99% · Late fee up to $40
No paid placement. No issuer pays VaultRubric for inclusion or rank; links go to the issuer's own page. Ranks come only from the published rubric below.
FAQ
Which is better, Discover it Cash Back or Chase Freedom Flex?
On VaultRubric's rubric: too close to call. The better card for you depends on where you spend; the calculator shows net value for your spending.
Estimates, not financial advice. Taxes, insurance, PMI and fees vary by lender, county and city; confirm with your lender, dealer and state agency before acting.