WHERE INBOX ZERO SHINES
Open source with ~10k GitHub stars and SOC 2 Type 2
Bulk unsubscribe, cold-email blocking, plain-English automations
Free forever if you self-host and enjoy that sort of thing
WHERE REVIEWERS SAY IT BREAKS
Self-hosting is cumbersome in practice; the hosted tiers aren’t cheap
Reviewers find the UI cluttered; weaker on non-English mail
It’s a second layer over the inbox, and email is all it sees
Side by side.
WHAT YOU GET
Inbox Zero
HOBB
Price
$18 / $28 / $42 per user/mo · free self-hosted
$34/mo yearly · $43 monthly, flat
A real, dialable business number
No
Included
Channels covered
Email
Calls, texts, WhatsApp & email
Notes written from your calls
No
Automatic, audio then discarded
One ranked to-do list
Automations & bulk cleanup
Every channel, ranked by who matters
Billing model
Per user · OSS self-host free
Month to month · visible meter · no contract
Inbox Zero is a trademark of its owner; Hobb is not affiliated with or endorsed by it. Pricing and review themes reflect published information as of June 2026 and may change. If something here is out of date, tell us and we will fix it.
