Mercury vs SumUp
Updated June 2026 · A structured head-to-head comparison.
The verdict
Both Mercury and SumUp are credible expense management tools, and the right pick comes down to your priorities.
Choose Mercury if you want a higher overall rating (4.7/5). Banking built for startups.
SumUp — Card readers and payments for SMBs.
Mercury vs SumUp: side by side
| Dimension | Mercury | SumUp |
|---|---|---|
| Starting price | Free | Free |
| Free plan | Yes | Yes |
| Pricing model | Free | Usage-based |
| Best for | Startups | Micro Merchants, Smb |
| Platforms | Web, Ios, Android | Web, Ios, Android |
| Rating | 4.7/5Winner | 4.3/5 |
Mercury key facts
- Vendor
- Mercury
- Pricing
- Free — Free
- Free tier
- Yes
- Platforms
- Web, Ios, Android
- Best for
- Startups
- Editor rating
- 4.7 / 5
- Founded
- 2017
- Headquarters
- San Francisco, CA, USA
SumUp key facts
- Vendor
- SumUp
- Pricing
- Usage-based — Free
- Free tier
- Yes
- Platforms
- Web, Ios, Android
- Best for
- Micro Merchants, Smb
- Editor rating
- 4.3 / 5
- Founded
- 2012
- Headquarters
- London, UK
Frequently asked questions
Is Mercury better than SumUp?
Neither is universally better — Mercury edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.
Is Mercury or SumUp cheaper?
Mercury is the more affordable of the two to get started, at free. Mercury starts at free; SumUp starts at free.
Can Mercury replace SumUp?
Yes for most teams — both are expense management tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.