Brex Card vs CitiBusiness / AAdvantage Platinum Select Mastercard: which one fits your business?

Side-by-side comparison of Brex Card and CitiBusiness / AAdvantage Platinum Select Mastercard — fees, features, ease, support, and which one fits your business. Scored on the same rubric.

Short answer: Brex Card wins on our scorecard (7.3/10 vs 7.1/10).

Scored onBrex CardCitiBusiness / AAdvantage Platinum Select Mastercard
Right fit for small biz78
Ease of use67
Fees & pricing98
Customer support55
Features87
Annual Fee$0$99 (waived first year)
Foreign Transaction Fee0%$0
Late Payment FeeVaries by bank partner—
Additional Card Fee$0—
Purchase APR—21.24% - 29.24% (Variable)
Employee Cards—$0

Brex Card in one paragraph

Brex is the gold standard for venture-backed startups needing high limits without personal risk, but it is no longer a viable option for traditional, non-funded small businesses.

Skip it if: You are a bootstrapped local business without at least $50,000 in liquid cash or professional venture backing.

Read the full Brex Card review

CitiBusiness / AAdvantage Platinum Select Mastercard in one paragraph

A solid, cost-effective tool for AA-loyal small businesses that pays for itself through waived bag fees and a low annual cost.

Skip it if: Skip it if your business spending is mostly digital (SaaS, Ads) rather than legacy utilities and travel.

Read the full CitiBusiness / AAdvantage Platinum Select Mastercard review

Frequently asked questions

Which is better, Brex Card or CitiBusiness / AAdvantage Platinum Select Mastercard?

On our five-axis scorecard, Brex Card scores higher (7.3/10 vs 7.1/10). Brex is the gold standard for venture-backed startups needing high limits without personal risk, but it is no longer a viable option for traditional, non-funded small businesses.

Who should skip Brex Card?

You are a bootstrapped local business without at least $50,000 in liquid cash or professional venture backing.

Who should skip CitiBusiness / AAdvantage Platinum Select Mastercard?

Skip it if your business spending is mostly digital (SaaS, Ads) rather than legacy utilities and travel.

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