SaneBox
AI rules-based sorting layered on top of your existing Gmail, Outlook, or IMAP inbox, not a new email client to switch to.
Automatically triages the inbox in the background so you only see what actually needs you, the same quiet-automation instinct as price watching.
SaneBox's biggest practical advantage is that it isn't a new email client. It works on top of Gmail, Outlook, or any IMAP inbox you're already using, no migration, no re-learning a new interface, no telling everyone your email address changed. It just starts filtering in the background, moving lower-priority email out of your main view based on your own past behaviour, not a generic rule set.
The core feature, SaneLater, learns which senders you actually engage with and which you consistently ignore, and moves the low-priority ones into a separate folder you check on your own schedule instead of every message hitting your primary inbox and demanding a decision. It also has a genuinely useful "train once" mechanic: move something out of SaneLater once and it adjusts for that sender going forward.
Beyond the core filtering, there's SaneBlackHole (permanently banish a sender), SaneReminders (get an email back in your inbox if nobody replies by a deadline you set), and a few other automation extras that all serve the same underlying goal: fewer manual decisions about what deserves your attention right now.
It's rated PCMag Editors' Choice and has had sustained coverage from TechCrunch, Forbes, and the New York Times, a real, longstanding product rather than a recent launch. There's no free tier, pricing starts around $7 a month, worth it specifically if your inbox volume is high enough that manual triage is actually costing you meaningful time.
Frequently Asked Questions
Do I need to switch email providers or clients to use SaneBox?
No, that's the main appeal. SaneBox layers on top of your existing Gmail, Outlook, or any IMAP inbox. You keep using the same email address and the same client you already have, SaneBox just filters what lands in front of you.
How does SaneBox decide what's important and what isn't?
It learns from your own past behaviour, which senders you open and reply to versus which you consistently ignore, and applies that to sort future email automatically. You can also manually correct it by moving an email in or out of a folder, which SaneBox remembers for that sender going forward.
Is there a free version of SaneBox?
No, SaneBox doesn't have a free tier, plans start from around $7 a month. There's typically a free trial period to test it before committing.
What's the difference between SaneBox and an AI email client like Superhuman?
SaneBox is a filtering layer on top of whatever email client you already use, it doesn't replace your interface. Superhuman is a full client replacement with its own keyboard-driven interface and AI features built in. SaneBox suits someone who doesn't want to change how they check email, just what reaches them; Superhuman suits someone willing to switch clients entirely for a faster, AI-assisted experience.
Can SaneBox actually reply to emails for me?
No, SaneBox is focused on triage and filtering rather than drafting or sending replies. Its SaneReminders feature will re-surface an email if nobody's replied by a deadline you set, but the actual reply is still on you.
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