# Outlook vs Spark

Source: https://listme.name/compare/microsoft-outlook-vs-spark
Framed by the ranking: https://listme.name/best/email-clients

| | Outlook | Spark |
|---|---|---|
| Score | 87.0 | 88.0 |
| Rank | #3 | #2 |
| Price | Free plan, paid upgrades | Free plan, paid upgrades |
| Best for | Microsoft 365 and Outlook.com users | One inbox across phone and desktop |
| Phone app | Yes | Yes |

Microsoft's mail client for Windows and Mac, with calendar, contacts and To Do in one app and a free web version at Outlook.com. Calendar and mail are tied to the mailbox, and desktop features depend on the account and plan. One app on iOS, Mac, Android and Windows, with a smart inbox that sorts mail by importance. Its code is closed, and its Premium plan adds the paid features.