Editorial take: Blue Business Plus from Amex
The silent workhorse of the Amex MR ecosystem. 2x on everything up to $50k/year with no annual fee. Pair it with the Platinum or Gold to unlock transfers, and you have a powerful everyday earner.
Every feature is free during beta. No credit card, no catch.
Both are well-respected travel cards. The Blue Business Plus from Amex comes from American Express at $0/yr; the United Explorer Card from Chase at $150/yr. Below: side-by-side specs, an opinionated verdict, and the FAQs people actually ask before applying.
For most people the United Explorer Card is the stronger pick today, the sign-up bonus is meaningfully larger ($770 more in estimated value) than the Blue Business Plus from Amex's. Get the United Explorer Card first; revisit the Blue Business Plus from Amex after you've earned that bonus.
| Feature | Blue Business Plus from Amex | United Explorer Card |
|---|---|---|
| Annual fee | $0 | $150 |
| Sign-up bonus | 15,000 Membership Rewards points | 50,000 miles + 10,000 AU bonus |
| Bonus value (est.) | $270 | $1,040 |
| Min spend to unlock bonus | $3,000 in 3 mo | $3,000 in 3 mo |
| Issuer | American Express | Chase |
| Card category | business | airline |
| Best earning category (All_purchases_first_50k_per_year) | 2x | 1x |
| Transfer partners | amex-mr | None |
| Headline benefits |
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The silent workhorse of the Amex MR ecosystem. 2x on everything up to $50k/year with no annual fee. Pair it with the Platinum or Gold to unlock transfers, and you have a powerful everyday earner.
Solid for United flyers. The free checked bag and 2 United Club passes per year add up, and the 70k + 10k AU bonus is a great starting point for domestic award flights. $0 intro annual fee, then $150.
Card details on this page reflect the most recent data we've verified against the issuer's own site. Sign-up bonuses and fees can change at any time, confirm the current offer on the issuer's page before applying.