Substack
Superhuman
| Feature | Substack | Superhuman |
|---|---|---|
| Pricing | Free / from $0/mo | From $25/mo |
| Free Plan | ✓ Yes | ✗ No |
| Rating | 4.4 / 5 | 4.6 / 5 |
| Best For | independent-writers, journalists, newsletter-creators, thought-leaders | executives, sales-professionals, founders, high-volume-emailers |
| Founded | 2017 | 2014 |
| Newsletter | ✓ | ✗ |
| Paid Subscriptions | ✓ | ✗ |
| Podcast Hosting | ✓ | ✗ |
| Community Chat | ✓ | ✗ |
| Recommendations | ✓ | ✗ |
| Notes | ✓ | ✗ |
| Analytics | ✓ | ✗ |
| Keyboard Shortcuts | ✗ | ✓ |
| Ai Triage | ✗ | ✓ |
| Read Statuses | ✗ | ✓ |
| Split Inbox | ✗ | ✓ |
| Snippets | ✗ | ✓ |
| Scheduled Send | ✗ | ✓ |
| Undo Send | ✗ | ✓ |
✓ Substack Pros
- Completely free to start — no monthly fees
- Built-in paid subscription infrastructure
- Network effects from Substack recommendations
- Simple writing interface without distractions
✗ Substack Cons
- 10% cut of paid subscriber revenue
- Limited design and branding customization
- No automation or complex email sequences
✓ Superhuman Pros
- Fastest email client with sub-100ms interactions
- AI triage auto-prioritizes and summarizes emails
- Split inbox and snippets for efficient workflows
- Read statuses show when emails are opened
✗ Superhuman Cons
- Expensive at $25-33/month per user
- No free plan or trial without invite
- Gmail and Outlook only (no other providers)
The Verdict
Substack is built for independent writers and journalists, with a focus on newsletter and paid-subscriptions. Superhuman targets executives and sales professionals and leads with keyboard-shortcuts and ai-triage.
On pricing, Substack is the clear winner for budget-conscious users — starting at $0/mo compared to $25/mo for Superhuman. That $25/mo difference adds up quickly for growing teams.
Substack has a free plan, which gives it a meaningful edge for individuals and small teams exploring their options. Superhuman requires a paid subscription from day one.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.