The Blue Business Plus Credit Card from American Express and United Explorer are closely matched. Blue Business Plus Credit Card from American Express wins on 2 categories (75,000 pts signup bonus); United Explorer wins on 2 (80,000 pts signup bonus). The better pick depends on your spending patterns.
Blue Business Plus Credit Card from American Express vs United Explorer
Side-by-side comparison of fees, rewards, benefits, and transfer partners.
Comparison Method
CardCurator compares measurable differences first: annual fee, current welcome offer, top-end earning, and recurring credits. If the cards are close, the right answer depends on spending pattern and perk usage rather than headline prestige.
- All Purchases 2x
- United Purchases 3x
- Restaurant Purchases 2x
- Hotel Stays 2x
- United Travel Credit $100
- United Hotels Credit $50
- United Hotels Credit $50
- +4 more
- 2 United Club one-time passes per year
- Flying Blue
- Delta SkyMiles
- JetBlue TrueBlue
- Qatar Avios
- Virgin Atlantic Flying Club
- +13 more
Quick summary
A short version of the comparison with the main differences at a glance.
The Blue Business Plus Credit Card from American Express and United Explorer are closely matched. Blue Business Plus Credit Card from American Express wins on 2 categories (75,000 pts signup bonus); United Explorer wins on 2 (80,000 pts signup bonus). The better pick depends on your spending patterns. On raw upside, Blue Business Plus Credit Card from American Express tops out at 2x versus 3x for United Explorer. Current signup bonus values are roughly $1500 for Blue Business Plus Credit Card from American Express and $800 for United Explorer. Updated May 30, 2026. Source: https://cardcurator.ai/compare/blue-business-plus-credit-card-from-american-express-vs-united-explorer
- Blue Business Plus Credit Card from American Express wins 2 of 4 comparison categories in CardCurator's quick verdict model.
- Top earn rate: Blue Business Plus Credit Card from American Express reaches 2x; United Explorer reaches 3x.
- Annual fee: Blue Business Plus Credit Card from American Express is no annual fee; United Explorer is $150/yr.
- Current public bonus values are approximately $1500 and $800.
Common Questions: Blue Business Plus Credit Card from American Express vs United Explorer
Is the Blue Business Plus Credit Card from American Express or United Explorer better for dining?
Blue Business Plus Credit Card from American Express has no dining bonus; United Explorer earns 2x on dining.
Which has the higher signup bonus in 2026?
Blue Business Plus Credit Card from American Express currently offers 75,000 pts signup bonus (spend $6,000 in 4 months). United Explorer offers 80,000 pts signup bonus (spend $3,000 in 3 months). Blue Business Plus Credit Card from American Express has the larger bonus.
Which card is better for international travel?
Both cards charge no foreign transaction fees, making either a solid choice for international travel.
Can I hold both the Blue Business Plus Credit Card from American Express and the United Explorer?
In most cases yes — holding both is allowed and can be a smart strategy for maximizing rewards across different spending categories. Blue Business Plus Credit Card from American Express is from American Express and United Explorer is from Chase, so they're governed by separate bank policies.