Discover vs Mercury
A side-by-side comparison of Discover and Mercury — TrustScores, verified reviews and ratings across the App Store and Google Play, updated for 2026.
Head-to-head
| Metric | Discover | Mercury |
|---|---|---|
| TrustScore (/5) | 3.7 | 3.6 |
| Total reviews | 271 | 193 |
| Proof-verified reviews | 144 | 101 |
| App Store rating | 3.4 | 3.5 |
| Google Play rating | 3.5 | 3.7 |
| Region | Global | Global |
| Founded | 1985 | — |
Discover · rating distribution
5
89 · 33%
4
84 · 31%
3
45 · 17%
2
16 · 6%
1
37 · 14%
Mercury · rating distribution
5
73 · 38%
4
48 · 25%
3
28 · 15%
2
17 · 9%
1
27 · 14%
The verdict
Discover edges ahead with a TrustScore of 3.7/5 versus 3.6/5 for Mercury — but the right choice depends on the features and fees that matter to you. Read the verified reviews for both before deciding.
Explore more credit & debit cards or see alternatives to Discover and alternatives to Mercury.