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Jace

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AI email agent that organizes the inbox and prepares context-rich reply drafts in your voice.

4.1
How we ratePaidProductivity
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Pricing

Paid

Category

Productivity

Company

Zeta Labs

Founded

2023

7-day free trial, then credit-based plans: Plus is $25/mo ($20/mo billed annually) for 10,000 monthly credits and 2 inboxes; Pro is $50/mo ($40/mo billed annually) starting at 20,000 credits and up to 8 inboxes. Enterprise is usage-based and custom.

Pricing verified Jul 2026

Who It's For
Founders and operators drowning in inbound emailProfessionals who want drafts ready on inbox openTeams connecting email to Slack and ticketing toolsPower users who want rule-based email automation
Details
CompanyZeta Labs
Founded2023
WebsiteVisit

About Jace

Jace is an AI email assistant that connects to a user's inbox, labels and prioritizes incoming mail, and prepares reply drafts that pull in context from attachments, calendar, and connected tools like Slack. It also supports custom automation rules and integrations that trigger actions in other business tools when email arrives. Jace is built by Zeta Labs, a London startup founded by former Meta engineers, and is aimed at professionals and teams with heavy email workloads.

Key Features

  • AI reply drafts with attachment and calendar context
  • Automatic labeling by type and priority
  • Custom smart rules for CCs, templates, and actions
  • Business integrations that trigger workflows from email
  • Chat over 1-3 years of email history
  • Support for multiple inboxes and unlimited calendars

Pros & Cons

Pros

+ Drafts include context from attachments and connected tools

+ Self-onboarding with no manual training required

+ Flexible automation rules beyond simple drafting

+ Competitive entry price compared with similar email assistants

Cons

- Credit-based metering can be hard to predict

- Gmail-centric; third-party reviewers note limited provider support

- Occasionally generates drafts for low-value email

Use Cases

Reviewing pre-written reply drafts instead of composing from scratchAuto-labeling and prioritizing a busy inboxPulling attachment, calendar, and Slack context into repliesAutomating follow-up actions via custom rulesTriggering tickets and notifications from incoming email

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