Supafax vs Skiff Mail: Which is Better in 2026?
Choosing between Supafax and Skiff Mail comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: Skiff Mail wins this matchup. GMass is our overall Email pick. GMass is our free Email pick. Pick Supafax if you need its specific feature set.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Supafax
AI email assistant for Gmail and Outlook
Best for you if:
- • You want AI email assistant for Gmail and Outlook
Skiff Mail
Private, end-to-end encrypted email that protects your inbox and gives you the power to communicate freely.
Best for you if:
- • You want a free tier before you commit
| At a Glance | Supafax | Skiff Mail |
|---|---|---|
Starts at | $35/mo Professional | Free Free plan |
Category | Email Email Clients | Email Security |
Rating | n/a | 3.9/5 Trustpilot 3.5 · G2 5.0 9 reviews |
Free plan | No | Yes |
Choose Supafax or Skiff Mail?
Choose Supafax if
- You want AI email assistant for Gmail and Outlook
Choose Skiff Mail if
- You want a free tier before you commit
- You want privacy-focused email
- You want E2E encryption
In-Depth Analysis
Supafax
AI email assistant for Gmail and Outlook
The pricing is fair but not generous.
Skiff Mail
Private, end-to-end encrypted email that protects your inbox and gives you the power to communicate freely.
Skiff Mail's pricing is effectively non-existent as the service has been discontinued.
Strengths
- Pro: Privacy-focused email
- Pro: E2E encryption
- Pro: Good design
- Pro: Free tier
- Pro: Web3 features
Weaknesses
- Con: Acquired by Notion
- Con: Future uncertain
- Con: Limited features
- Con: Smaller provider
- Con: Migration concerns
Key features
Pricing: Supafax vs Skiff Mail
| Plan | Supafax | Skiff Mail |
|---|---|---|
| Tier 1 | $35 per user / month Professional | Free Discontinued |
| Tier 2 | Custom pricing Enterprise | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on Supafax pricing and Skiff Mail pricing.
Key Takeaways
Skiff Mail
- Free tier available
- Our pick for this comparison
Supafax
- Choose if you want AI email assistant for Gmail and Outlook
The Bottom Line
Skiff Mail wins this matchup. GMass is our overall Email pick. GMass is our free Email pick.
Frequently Asked Questions
Is Supafax or Skiff Mail better in 2026?
Skiff Mail wins this matchup. GMass is our overall Email pick. GMass is our free Email pick. Pick Supafax for email workflows. Pick Skiff Mail for email workflows (main strength: privacy-focused email).
What are Supafax and Skiff Mail used for?
Supafax: AI email assistant for Gmail and Outlook. Skiff Mail: Private, end-to-end encrypted email that protects your inbox and gives you the power to communicate freely.
What does Supafax cost vs Skiff Mail?
Supafax's paid plans start at $35/mo (Professional). Skiff Mail pricing is on their site.
What's the main difference between Supafax and Skiff Mail?
Supafax focuses on AI email assistant for Gmail and Outlook. Skiff Mail's main strength: privacy-focused email.