SaneBox

SaneBox's core bet is that most inbox pain comes from triage, not composition. That's why the sorting layer — folders like @SaneLater and the Daily Digest that summarises unopened low-priority mail — has kept users for years without asking them to change email clients. Nothing to download, no server-side install, works on iOS, Android, desktop and web. If you switch clients tomorrow, SaneBox follows you. That portability is the real differentiator against inbox-replacement tools like Superhuman or Shortwave, which ask you to live inside their app. The long-standing tools still do the unglamorous work well. BlackHole removes a sender permanently in one click. Snooze defers a thread to a day and time you choose — Monday morning instead of Saturday night. SaneReminders pings you when a recipient hasn't replied, and you can now configure snooze controls (Full, Simple, None) separately for To, CC and BCC reminders. SaneAttachments pulls large files out of the inbox, with a minimum size you can tune from 1 KB to 9 MB and restriction to media or document types. Email Deep Clean re-scans the account for big, old mail and lets you clear gigabytes in a few clicks. What changed in late 2026 is the AI Bundle. SaneDrafts writes replies in your voice for review and send. SaneSummary gives you a TL;DR of your inbox or any custom folder. SaneNoReplies Plus narrows the awaiting-reply folder to emails that actually need one, and now ignores calendar invites so meeting requests stop cluttering it. Digest Plus puts a one-line summary on every unimportant email in the digest. SaneNoReply also shipped as a standalone iOS app, and SaneBox finally has an Android app with digest notifications. The AI Bundle is included for Dinner plan members per the vendor's blog post, with a 14-day trial. Where it fits less well: SaneBox is a single-user tool. There's no shared inbox, no assignment, no collaboration — teams that need those go to Hiver, Front or Missive. It's not for on-premise or self-hosted email processing. And it deliberately doesn't read full email bodies; it looks at sender, subject and date, and never stores full emails or attachments. That's a privacy strength but a ceiling on how smart the summarising and drafting can get compared to tools that ingest whole threads. One more honest caveat: sorting is probabilistic. You will occasionally need to rescue a misfiled message from the digest, and users who refuse to skim it won't get the benefit. Setup is quick — the vendor puts a clean inbox at under five minutes — but a couple of weeks of dragging corrections is what tunes the classifier to your mail.