The Jace web app inbox, with mail sorted by AI labels
AI email assistant for Gmail and Outlook that labels mail, drafts replies in your style and answers questions about your inbox
Jace has a 7-day free trial. Prices in US dollars as Jace's pricing page showed them on 11 October 2026.
Jace is an AI email assistant for Gmail and Outlook that labels incoming mail, drafts replies in your writing style and answers questions about your inbox in a chat. It suits busy professionals and small teams handling a lot of email. There is no free plan: Plus costs $25 a month, or $20 a month billed yearly, after a 7-day free trial. Paying yearly saves 20%, and the maker offers a 30-day money-back guarantee.
Jace studies your sent emails to learn your tone and phrasing, then drafts a reply to every message labelled Needs Reply. Drafts can pull context from attachments, your calendar, Slack and connected documents.
Incoming mail is labelled by intent, such as Needs Reply, To Do, Waiting, FYI or Promotion. You can write your own labels by describing in a prompt which emails belong under them.
Rules tell Jace how to handle particular emails: always CC an assistant on leads, use a formal template for new clients or pick a different sign-off by recipient. Teams can share rules across a workspace.
A chat panel, which Jace calls an AI chief of staff, answers questions about your email history and carries out multi-step tasks, such as finding last month's invoices and drafting an email to accounts.
Jace spots scheduling requests, checks your Google Calendar for free times and drafts the invite or adds your Calendly link. When you are waiting on a reply, it prepares a follow-up draft.
Jace connects to tools such as Slack, Google Drive, Notion, Linear, HubSpot and Stripe, plus thousands more through Pipedream Connect. Automation flows can act on arriving emails, for example by creating a ticket or posting to Slack.
Drafts and labels appear in Gmail or Outlook on desktop and phone, with nothing to install. The web app at app.jace.ai adds a dedicated inbox view and the chat.
Works with
$25a month
10,000 credits a month
$50a month
From 20,000 credits a month; larger allowances cost more
Contact sales
Usage-based pricing from sales
Prices in US dollars; VAT is not mentioned. Yearly billing saves 20%. 7-day free trial on Plus and Pro, and a 30-day money-back guarantee. Monthly credits reset each billing period; reward credits never expire. Prices in US dollars, from Jace's pricing page on 11 October 2026. Jace may charge VAT on top, and prices can change.
“I have never sounded so professional.”
“Jace is already saving me time and now that I set it up properly with the right rules it is working very very well.”
“But the credits switch in March broke my trust a little.”
For people who answer dozens of emails a day, reviewers say it often is: the drafts that match your own writing style are what they praise most. The main doubt is cost, since the maker moved to credit-based billing in 2026 and some long-standing users say their credits now run out quickly.
Jace connects to Gmail or Outlook, reads your past sent mail to learn how you write, and then prepares a draft for every message it labels as needing a reply. The drafts appear in your normal email app on desktop and phone, as well as in Jace's own web app at app.jace.ai. It never sends a reply without your approval unless you switch on auto-send.
On Trustpilot, Jace scores 4.2 out of 5 from 74 reviews, with 77% of them five stars. The recent one- and two-star reviews almost all concern the billing change rather than the quality of the drafts.
Jace prices in US dollars only: Plus is $25 a month or $20 a month billed yearly, and Pro is $50 a month or $40 a month billed yearly. Your bank converts the charge to pounds, and the pricing page says nothing about VAT.
Pro can be bought with larger credit allowances, up to 2,400,000 credits a month, at prices the page does not list. Monthly credits reset each billing period, while credits earned as rewards never expire. The maker does not publish how many credits a draft or a chat request uses, which makes monthly cost hard to predict before the trial.
Jace sits closest to Fyxer: both work inside your existing Gmail or Outlook inbox, sort mail with labels and leave drafts ready to send. Superhuman is a full replacement email app with its own interface and AI features, which suits people happy to change how they read email.
Jace leans further into acting on email. Its rules can CC a colleague, apply a template or choose a sign-off by recipient, and its integrations let it pull files from Google Drive or Notion into a reply, or post to Slack when certain emails arrive. For scheduling only, Howie is a narrower option that books meetings by email on your behalf.
The maker says email data is encrypted in transit and at rest, is never used to train AI models and is only used to produce your drafts. It states that Jace is CASA Tier 3 compliant (CASA is the security assessment Google requires of apps that read Gmail), has completed a SOC 2 Type 1 examination and complies with GDPR and CCPA.
Jace is run by Zeta AI, Inc., a company registered in Delaware in the US. The site does not say where data is stored, so UK businesses with strict data residency rules should ask before connecting a work inbox. For teams, the changelog lists enterprise single sign-on, directory sync and shared team rules.
Paying yearly is the only saving the maker states: it takes 20% off, so Plus works out at $240 a year instead of $300. Using the 7-day free trial on Plus first shows how fast your mail uses credits before you commit to a year, and the 30-day money-back guarantee covers a change of mind after paying.
Most individuals with one or two inboxes will not need Pro. It is worth paying for only if you manage more than two accounts, want three years of searchable history or need custom integrations.
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We don't currently list a confirmed discount code. That doesn't mean the store has no promotions; check its website for current prices.
No. Plus and Pro each come with a 7-day free trial, and the site offers a 30-day money-back guarantee, but there is no free-forever plan.
Yes. Jace connects to Gmail and Outlook, and since December 2025 both can be linked to one Jace account. Its calendar features are described for Google Calendar.
Not by default. Jace prepares drafts for you to review, edit and send, and auto-sending is an opt-in setting.
There is no separate app. Jace's drafts and labels appear in your usual email app on your phone, and the full workspace runs in a web browser at app.jace.ai.
Plus connects up to 2 inboxes and Pro up to 8, each with unlimited calendars. Each account keeps its own settings and writing style.
You can cancel at any time, and the maker states a 30-day money-back guarantee. Several Trustpilot reviewers on yearly plans complained when billing switched to credits partway through their subscription.
