Short answer: SaneBox is an email filter. It moves less important mail out of your inbox into folders such as SaneLater or SaneBlackHole. It reads only basic details like the sender and subject line. Its pricing page starts at $4.54 a month billed every two years. Jace is an AI email assistant. It also sorts new mail, using AI labels you can describe in plain English. It then drafts replies for the mail that needs one, from the full thread, and you review each draft before it is sent. Pick SaneBox if your problem is noise and you want an assistant that never reads full emails. Pick Jace if the work is answering the email that stays.
We make Jace. SaneBox facts come from its homepage and pricing page, opened on 9 November 2026. We have not run timed tests on either product.
SaneBox vs Jace at a glance
| SaneBox | Jace | |
|---|---|---|
| Main job | Filter and declutter the inbox | Sort the inbox and draft replies |
| How it sorts | Moves mail into SaneBox folders such as SaneLater or SaneNews | AI labels (Needs Reply, Waiting, FYI, Promotion and your own), synced to Gmail labels or Outlook categories |
| Writes replies | Not part of the features listed on its pricing page | Yes, drafts for the labels you choose, saved to your Drafts folder |
| Follow-ups | SaneNoReplies and Reminders | Waiting label, with a follow-up draft after 3 days without a reply |
| What it reads | Sender, subject line and date. SaneBox says it never stores full emails or attachments | Full threads and attachments, because drafting needs them |
| Accounts | 1, 2 or 4 email accounts, by plan | 2 inboxes on Plus, 8 on Pro |
| Price | Snack $4.54, Lunch $7.46, Dinner $22.04 a month, billed every two years | Plus $20 a month billed yearly or $25 monthly. Pro $40 or $50 |
SaneBox prices and features from sanebox.com/pricing on 9 November 2026. Jace prices from jace.ai/pricing.
What SaneBox does well
SaneBox learns which senders matter and moves the rest out of sight. Its pricing page lists features you pick from by plan. SaneLater holds lower-priority mail and SaneNews holds newsletters. SaneBlackHole banishes a sender, and SaneNoReplies tracks emails nobody answered. Others include SaneScreener, SaneCC, Reminders and Custom Snooze. Snack lets you pick 2 features, Lunch 6 per account and Dinner all of them. It adds a Daily Digest, Email Deep Clean and iOS and Android apps.
Privacy is a strong point. SaneBox says it looks at the basics such as sender, subject line and date, and never stores full emails or attachments. It also says it passes Google's yearly restricted-scope security assessment and external audits.
When to pick SaneBox instead
- Your problem is volume, not replies. You want newsletters and cold pitches gone, and you are happy to write your own answers.
- You don't want any tool reading message bodies. SaneBox's design avoids it. Jace has to read full threads to draft.
- You use an email provider other than Gmail or Outlook. Jace connects only to Gmail and Outlook.
- Price matters most. SaneBox Snack on a two-year plan costs less than any Jace plan.
When Jace is the better SaneBox alternative
- The email that stays still takes hours. Sorting clears the noise. Jace also prepares a reply for each email that needs one, in your voice, using earlier messages and attachments (Drafting).
- You want sorting rules in plain English. Describe a label such as "invoices and payment questions from clients" and Jace applies it (Labels).
- Follow-ups should come with a draft. When a thread sits in Waiting for 3 days, Jace writes the nudge for you to send.
- Email turns into work elsewhere. When a certain kind of email arrives, a Flow can draft a reply, create a calendar event or update a tool such as HubSpot (Flows).
Jace's limits, plainly: it reads full email content, it works only with Gmail and Outlook, it costs more than SaneBox, and it has no native mobile app yet.
Privacy compared
The two products make different trades. SaneBox keeps its data small: it sorts on headers and does not store full emails. Jace stores mail while you use it, so it can draft from full threads and answer questions about your history. Jace encrypts email in transit and at rest and does not train AI models on your email content (security). Our AI email assistant privacy guide explains what Jace sees and stores. Choose based on how much access you are comfortable giving.
Can you use both?
Yes, but you would sort twice. SaneBox moves mail into its folders and Jace labels what remains in the inbox. Most people who want drafts let Jace's labels do the sorting instead. If you try both, keep SaneBox's folders for newsletters and let Jace handle the inbox.
FAQ
What is the best SaneBox alternative? It depends on why you are leaving. If you want sorting plus reply drafts, an AI email assistant such as Jace or Fyxer fits. If you only want filtering, the filters built into Gmail or Outlook can be enough. See the best AI email assistants in 2026.
How much does SaneBox cost? On 9 November 2026 SaneBox's pricing page showed Snack at $4.54, Lunch at $7.46 and Dinner at $22.04 a month, billed every two years. The plans cover 1, 2 or 4 email accounts.
Does SaneBox write email replies? Reply drafting is not among the features listed on SaneBox's pricing page on 9 November 2026. Check SaneBox's own site for current features.
Does Jace read my full emails? Yes. Jace reads full threads and attachments to draft replies and answer questions. It encrypts data in transit and at rest and does not train AI models on your email content.
Does Jace send emails without my approval? Not by default. Drafts land in your normal Drafts folder. Auto-send stays off unless you turn it on for a specific label or Flow, and Jace warns you first.
Try Jace on your own inbox
Connect Gmail or Outlook and see Jace's labels and drafts on your real mail for 7 days. Start your free Jace trial, or compare plans first. Setup guides: Jace for Gmail and Jace for Outlook.
Also comparing: Fyxer, Superhuman, Spark, Shortwave, Front and Inbox Zero.
