Fastmail Email vs Runbox
| Fastmail Email | Runbox | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | €1.66/mo |
| Open source | No | No |
| Platforms | Web, Windows, macOS, Linux, iOS, Android | Web, iOS, Android |
| Free plan | No | No |
| Mailbox storage | 5 GB | 2 GB |
| Attachment limit | 50 MB | — |
| Custom domain | No | Yes |
| Email aliases | Yes | — |
| Ad-free inbox | Yes | — |
| Platform access | web_mobile_desktop | — |
Both are listed in Best Personal Email Services. On Specifiction, Fastmail Email scores higher on our published basis.