HEY Email vs Slack
The ultimate side-by-side head-to-head analysis for 2026.
Short answer
- Price: Slack is cheaper — $7/user/mo vs $8/user/mo.
- How to start: HEY Email is from $8/user/mo, Slack is from $7/user/mo.
These lines are generated from the pricing we track, not from a paid placement. We do not publish a quality score, because we do not have one we can stand behind. They cannot tell you which tool fits your workflow — the sections below are there for that. How we score tools.
HEY Email
Slack
Category
Communication
Communication
Base Price
$8/user/mo
$7/user/mo
Public API
No
Yes
Mobile app
Yes
Yes
Open source / self-hostable
No
No
SSO (SAML)
No
Yes
Choose HEY Email if:
Privacy Seekers and Busy Professionals who hate email.
Choose Slack if:
Tech Teams, Remote Workers, and Large Corporate Enterprises.
HEY Email: pros & cons
- Total Privacy: Automatically blocks all tracking pixels used by marketers.
- Screening: No more spam or unwanted emails ever—you approve every new sender.
- Aesthetic UI: A completely fresh, modern take on what an email app looks like.
- Productivity: Features like 'Reply Later' and 'Set Aside' keep your inbox clean.
- Subscription Only: There is no free version of HEY; it is a premium service.
- No Folders: It uses a specific organization system that might be jarring at first.
- Locked Domain: Requires using an @hey.com address (unless you use the more expensive custom domain plan).
Slack: pros & cons
- Powerful Search: Find any file or message from years ago in a matter of seconds.
- Flexible Channels: Organize work by project, team, or even interests to maintain focus.
- Extensive API: Easily build and integrate your own bots and custom workflows.
- High Reliability: Desktop and mobile apps are exceptionally fast and stable.
- Notification Fatigue: Can be highly distracting if not properly configured by the user.
- Free Plan Limits: Access to message history is restricted on the free tier.
- Enterprise Pricing: Per-user licensing costs can add up quickly for large organizations.
Our verdict on HEY Email
The most innovative and peaceful way to handle email in the 21st century.
Our verdict on Slack
An indispensable tool for moving team communication away from email and into a faster era.