Side by side
Inbox Zero vs Superhuman Go
Both stand on ai email assistants. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free trial AndroidAPIExtension+3
Inbox Zero combines inbox automation, reply drafting, meeting briefings, and analytics across web and mobile access. Its paid-only model and per-user pricing should be weighed against its open-source and self-hosting options.
Visit Inbox Zero
Free plan AndroidExtensioniPhone+3
Superhuman Go offers a free starting plan and paid tiers with additional connectors and agent features. Review plan-specific limits and connector availability before relying on a particular workflow.
Visit Superhuman GoThe facts
| Inbox Zero | Superhuman Go | |
|---|---|---|
| Free plan | A free trial | Yes |
| Open source | Not published | Not published |
| Runs on | Android, API, Extension, iPhone, Self-hosted, Web | Android, Extension, iPhone, Mac, Web, Windows |
| Lowest paid plan | Starter: $20 per user a month | Pro: $12 per member a month |
| Plans published | 4 | 4 |
| Maker | Not published | Not published |
| Website | inbox-zero.ai | superhuman.com |
| On ai email assistants | #24 of 46 | #20 of 46 |
Inbox Zero: what it does well
- Works with Gmail, Google Workspace, and Outlook
- Drafts replies in the user's voice
- Plain-English rules configure labels and actions
- Open source and self-hostable
- 7-day trial available
What to know first
- No free plan
- Paid plans start at $20 per user monthly
Superhuman Go: what it does well
- Can interpret what is on screen.
- Free plan includes editable, shareable documents.
- Paid plans offer custom agents.
- Users decide whether content trains AI models.
What to know first
- Pro is $12 per member monthly when billed annually.
- Full chat and some agent features are limited trials on paid plans.
- Usage tracking and data sync frequency are coming soon.
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