United℠ Explorer vs Citi® / AAdvantage® Platinum Select®
Side-by-side comparison
| United℠ Explorer | Citi® / AAdvantage® Platinum Select® | |
|---|---|---|
| Annual fee | $150 | $99 |
| Welcome offer | Up to 60,000 bonus miles | |
| Dining | 2x | 2x |
| Groceries | 1x | 1x |
| Gas | 1x | 2x |
| Travel | 1x | 1x |
| Streaming | 1x | 1x |
| Everything else | 1x | 1x |
| Est. yearly rewards* | $322 | $343 |
| Points type | Locked to United MileagePlus | Locked to American Airlines AAdvantage |
| Network | Visa | Mastercard |
*Estimated yearly rewards on typical household spending, every point valued at a flat 1 cent. Verified August 2026. See your own numbers in the calculator.
Welcome bonus and value over time
| Over time | United℠ Explorer | Citi® / AAdvantage® Platinum Select® |
|---|---|---|
| Welcome bonus | Up to 60,000 bonus miles | 80,000 American Airlines AAdvantage® miles |
| To earn it | $3,000 in 3 months | $3,500 in 4 months |
| Est. first-year value* | $772 | $1,044 |
| Est. ongoing value / yr* | $172 | $244 |
The Citi® / AAdvantage® Platinum Select® wins on both fronts: it comes out ahead in year one on the welcome offer and stays ahead every year after. Short term or long, it is the stronger pick on the numbers.
*First-year value counts the welcome bonus, estimated rewards, and annual credits, minus the annual fee; ongoing value is a typical year after. Every point at a flat 1 cent.
Perks, credits, and redemptions
| Perks | United℠ Explorer | Citi® / AAdvantage® Platinum Select® |
|---|---|---|
| Lounge access | Yes — United Club | None |
| Annual credits | None | None |
| Points & redemptions | Locked to a single program | Locked to a single program |
On perks and redemptions, only the United℠ Explorer gets you into airport lounges. Weigh those against the fee, since credits and lounge access only count if you will actually use them.
Transfer partners and point value
Neither card earns transferable points, so redemptions are cash-back or fixed portal value on both, roughly a cent per point. There is no airline or hotel transfer angle to separate them.
The verdict
On a typical year of household spending, the United℠ Explorer earns about $322 a year in rewards and the Citi® / AAdvantage® Platinum Select® about $343, valuing every point at a flat 1 cent. The United℠ Explorer charges $150, which you clear through its rewards and perks. The Citi® / AAdvantage® Platinum Select® charges $99, which you clear through its rewards and perks. Counting rewards, fees, and any credits, the Citi® / AAdvantage® Platinum Select® delivers more total value, about $73 a year more for a typical spender, mostly because it earns more where you spend most, on gas. Neither leans on transferable points, so the deciding factors are the welcome offer, the card network, and which everyday perks you will actually use. On the sign-up bonus, the Citi® / AAdvantage® Platinum Select® currently has the larger welcome offer (a limited-time offer above its usual amount, so treat it as a one-time boost). A welcome bonus is a one-time event, so weigh it apart from the ongoing rewards.
Pick the Citi® / AAdvantage® Platinum Select® if your spending leans toward gas.