K Bank vs Mercury.
K Bank (K78/100) and Mercury (M70/100), scored on the same six pillars and compared row-by-row. Every cell is sourced from licence registers and live pricing pages, not opinion. K Bank leads Mercury 4-3.
| K K Bank №09 · KDIC 78 /100 | M Mercury №32 · FDIC 70 /100 | |
|---|---|---|
| Score | ||
| Composite score Out of 100 | 78 /100 | 71 /100 |
| Fees | ||
| Monthly fee Cheapest paid tier (€0 if free) | €0 Free tier | €0 Free tier |
| FX markup Debit card abroad | Interbank | 1.00% |
| Free FX / month EUR equivalent | €0 | €0 |
| Free ATM Before fee kicks in | — | — |
| Protection | ||
| Banking licence Tier | Full bank KDIC | Partner-bank FDIC |
| Deposit guarantee Per depositor | €50,000,000 KR.KDIC | $250,000 US.FDIC |
| Reach | ||
| Markets served Licensed jurisdictions | 1 country | 1 country |
| Crypto Coins available | No | No |
| Stocks & ETFs Self-directed | No | Yes |
| UX | ||
| Trustpilot Customer score | — | 4.4 ★ 1k reviews |
| App store iOS + Android avg | 4.5 ★ iOS 4.5 · And 4.4 | 4.6 ★ iOS 4.7 · And 4.5 |
| Read review → | Read review → | |
Pick K Bank if…
Korea's first Internet-Only Bank to launch (April 2017) — predates Kakao Bank by three months. KT Corporation (Korea Telecom) is the largest shareholder, providing carrier-bundled distribution and ASEAN remittance corridors via Wirebarley. The cash-settlement counterparty for Upbit, Korea's largest crypto exchange — exposure to crypto-cycle deposit flows. Listed on KOSPI in 2024 after two shelved IPO attempts.
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 K Bank won 1 of 4
- Best for protection K Bank won 2 of 2
- Best for reach Mercury won 1 of 3
- Best for ux Mercury won 2 of 2
K Bank vs Mercury — FAQ
Quick answers to the four questions the search-bar asks most about a head-to-head.
Is K Bank better than Mercury?
Under our v3 methodology, K Bank leads Mercury 4–3 across 12 dimensions. Composite scores: K Bank 78/100 vs Mercury 70/100. K Bank is stronger overall, but the right pick depends on which row matters most to you — fees, protection, reach, or app quality.
Is K Bank or Mercury cheaper?
Monthly fee — K Bank: €0; Mercury: €0. Card FX markup — K Bank: Interbank; Mercury: 1.00%. K Bank 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, K Bank or Mercury?
K Bank holds a Full bank licence under KDIC; deposit guarantee per depositor: €50,000,000. Mercury holds a Partner-bank licence under FDIC; deposit guarantee per depositor: $250,000. K Bank is the stronger pick on regulatory protection.
Where can I use K Bank and Mercury?
K Bank 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.