Mercury vs Carbon.
Mercury (M70/100) and Carbon (C50/100), scored on the same six pillars and compared row-by-row. Every cell is sourced from licence registers and live pricing pages, not opinion. Mercury leads Carbon 6-0.
| C Carbon №80 · CBN 50 /100 | M Mercury №32 · FDIC 70 /100 | |
|---|---|---|
| Score | ||
| Composite score Out of 100 | 50 /100 | 71 /100 |
| Fees | ||
| Monthly fee Cheapest paid tier (€0 if free) | €0 Free tier | €0 Free tier |
| FX markup Debit card abroad | 3.00% | 1.00% |
| Free FX / month EUR equivalent | €0 | €0 |
| Free ATM Before fee kicks in | — | — |
| Protection | ||
| Banking licence Tier | Payment inst. CBN | Partner-bank FDIC |
| Deposit guarantee Per depositor | Safeguarded NG.NDIC | $250,000 US.FDIC |
| Reach | ||
| Markets served Licensed jurisdictions | 1 country | 1 country |
| Crypto Coins available | No | No |
| Stocks & ETFs Self-directed | Yes | Yes |
| UX | ||
| Trustpilot Customer score | — | 4.4 ★ 1k reviews |
| App store iOS + Android avg | 4.3 ★ iOS 4.3 · And 4.4 | 4.6 ★ iOS 4.7 · And 4.5 |
| Read review → | Read review → | |
Pick Carbon if…
Nigerian credit-led digital bank (formerly Paylater). CBN microfinance bank charter — same regulatory tier as Kuda/OPay (₦2M NDIC microfinance ceiling, not ₦5M DMB full-bank). Credit-line access is the structural differentiator vs. spending-account-led Kuda.
Pick Mercury if…
Pick if you run a US LLC or C-Corp and want $5M sweep FDIC coverage. Personal accounts not supported.
- Best for fees Mercury won 1 of 4
- Best for protection Mercury won 2 of 2
- Best for reach Tied
- Best for ux Mercury won 2 of 2
Mercury vs Carbon — FAQ
Quick answers to the four questions the search-bar asks most about a head-to-head.
Is Carbon better than Mercury?
Under our v3 methodology, Mercury leads Carbon 6–0 across 12 dimensions. Composite scores: Carbon 50/100 vs Mercury 70/100. Mercury is stronger overall, but the right pick depends on which row matters most to you — fees, protection, reach, or app quality.
Is Carbon or Mercury cheaper?
Monthly fee — Carbon: €0; Mercury: €0. Card FX markup — Carbon: 3.00%; Mercury: 1.00%. Mercury wins more fee rows (1 of 4). See the Fees section of the matrix above for ATM caps and the rest.
Which is safer for deposits, Carbon or Mercury?
Carbon holds a Payment inst. licence under CBN; deposit guarantee per depositor: Safeguarded. Mercury holds a Partner-bank licence under FDIC; deposit guarantee per depositor: $250,000. Mercury is the stronger pick on regulatory protection.
Where can I use Carbon and Mercury?
Carbon operates in 1 country; Mercury operates in 1 country. Check each provider's signup page for the live country list — eligibility depends on residency, not just the licence footprint.
Want a 3- or 4-way comparison?
The dynamic compare picker handles up to four banks. Add this pair plus one or two more and we'll resolve every row.