Superhuman is a genuinely great email client. The keyboard shortcuts are fast, the design is clean, and the AI reply drafting is solid. But at $30 per month — $360 a year, every year forever — a growing number of agency owners and founders are looking for something that delivers the same result without the permanent subscription eating into margins.
This comparison is honest. Superhuman deserves its reputation. But it’s not the only option, and for many professionals it’s not the right one.
$360
Superhuman costs per year — forever
$349
MailMaster — one-time, own it forever
$1,451
You save over 5 years vs Superhuman
What Superhuman Does Well
- Keyboard-first UX — every action has a shortcut, triage is genuinely fast
- AI Instant Reply — solid contextual drafts from full thread context
- Read statuses — know when someone opened your email
- Split inbox — separate view for important vs everything else
Where Superhuman Falls Short
- Price creep — $360/year is fine in year one. Year three it’s $1,080+. Year five, $1,800.
- No true automation — no automated follow-up sequences, no rule-based sending
- Gmail-primary — Outlook support exists but feels like a second-class citizen
- No thread summarisation — you still read 40-email chains manually
- Cancel = lose access — the moment you stop paying, you lose your email client entirely
5-Year Cost Comparison
Total cost over 5 years
Superhuman
MailMaster
HEY Email
Feature Comparison: MailMaster vs Superhuman
| Feature | Superhuman | MailMaster |
|---|---|---|
| Pricing model | $30/month subscription | $349 one-time |
| 5-year total cost | $1,800 | $349 |
| AI reply drafting | Yes | Yes (Premium) |
| AI thread summarisation | No | Yes — any thread in 3 lines |
| Automated follow-up sequences | No | Yes — rule-based, auto-stops on reply |
| Multi-account | Gmail primary | Gmail, Outlook, Apple Mail, IMAP — unlimited |
| Open tracking | Yes | Yes |
| Platform | Web + mobile | Mac + Windows desktop app |
| If you stop paying | Lose access immediately | Keep it forever |
The real question: Do you want to rent your email client forever, or own it once? At $349, MailMaster pays for itself vs Superhuman in under 12 months — and then it’s free for life.
Who Should Switch to MailMaster
❌ Stay on Superhuman if…
→You primarily use Gmail and nothing else
→Keyboard-first web UX is your priority over desktop native feel
→Mobile email management is critical for your workflow
✓ Switch to MailMaster if…
→You manage Gmail AND Outlook simultaneously
→You want automated follow-up sequences built in
→You’re paying $30+/month and want to stop the recurring cost
→You need AI thread summaries for long client threads
Over 5 years: Superhuman costs $1,800. MailMaster Basic costs $349 — once. The savings alone buy you 4 months of Google Workspace, a new keyboard, and a coffee subscription for a year.