Editorial disclosure: CardRewards.ai is an independent comparison service. Card data comes from issuers' published terms; data as of September 27, 2026. Card issuers do not influence our rankings or content.
Both cards cost $0/yr. The Bilt Blue Card leads on rent and dining; the Discover it Cash Back on rotating quarterly.
Card data as of September 27, 2026.
Annual Fee
Welcome Bonus
| Category | Bilt Blue Card | Discover it Cash Back |
|---|---|---|
| Rotating Quarterly | 1X | 5X |
| Mortgage | 1.25X | 1X |
| Rent | 1.25X | 1X |
| Everything Else | 1X | 1X |
Network
Key Benefits
Pros
Cons
The Bilt Blue Card wins in 2 of 2 categories. The Discover it Cash Back leads in 0. 1 more category depend on booking channel or caps.
Rent
Bilt Blue Card earns 1.25X vs 1X
1.25X via tiered option or up to 1X via Bilt Cash option; no transaction fee
Mortgage
Bilt Blue Card earns 1.25X vs 1X
1.25X via tiered option or up to 1X via Bilt Cash option; no transaction fee
Rotating Quarterly
Depends: up to $1,500/quarter; Must activate each quarter
Discover it Cash Back earns 5X when conditions are met; Bilt Blue Card earns 1X (1X without restrictions)
Modeled net value (bonus categories at unconditional rates, caps applied). Spend mix: dining 15%, groceries 15%, gas 10%, travel 10%, everything else 50%. Statement credits use the same recurring usable estimates as each card's detail page; first-year-only credits count in year one only. Welcome offers valued at each card's program rate shown on this page.
Both scenarios favor the Bilt Blue Card on net value (rewards, usable credits, fees, and welcome offer).
| Scenario | Bilt Blue Card | Discover it Cash Back | Ongoing winner | Year-one winner |
|---|---|---|---|---|
| Light spender: $1,000/month | Rewards: $264 Credits (our usable estimate): $0 |
Both scenarios favor the Bilt Blue Card on net value (rewards, usable credits, fees, and welcome offer).
Rewards: $120 Credits (our usable estimate): $0 − Annual fee ($0) Ongoing: $120 Year one: $120 |
| Bilt Blue Card |
| Bilt Blue Card |
| Heavy spender: $4,000/month | Rewards: $1,056 Credits (our usable estimate): $0 − Annual fee ($0) Ongoing: $1,056 Year one: $1,156 | Rewards: $480 Credits (our usable estimate): $0 − Annual fee ($0) Ongoing: $480 Year one: $480 | Bilt Blue Card | Bilt Blue Card |
Editorial disclosure: CardRewards.ai is an independent comparison service. Card data comes from issuers' published terms; data as of September 27, 2026. Card issuers do not influence our rankings or content.
