Alternatives to Jace

AI email assistant that drafts, replies, and summarizes inside Apple Mail, Gmail, or Outlook — no client switch needed.

AI Gmail add-on that auto-drafts contextual email replies in your voice, ready for your review before sending

AI email rewriting tool for Gmail, Outlook, LinkedIn, and iOS with custom tones and Quick Replies.

Replai drafts Gmail and Outlook replies in your own writing voice, then triages the rest of your inbox.

superReply is a Chrome extension that generates tone-matched AI email replies inside Gmail and Outlook Web. Free up to 90 replies a month.

Cora is an autonomous AI email assistant that connects to Gmail, drafts replies in your voice, and sends you twice-daily briefs.

Jetwriter AI is a browser extension that drafts email and message replies in your voice on Gmail, Slack, LinkedIn, and other sites you already use.

Spark Mail is an AI email client that summarizes, drafts, and auto-drafts replies across every account you own

Shortwave is an AI email assistant that triages, drafts, schedules, and searches your Gmail inbox with one prompt.

Slashy is an AI email client that drafts replies in your voice, chases follow-ups, and schedules meetings from your inbox.

Stamp is an AI email secretary that drafts replies in your voice, prioritizes your inbox, and schedules meetings.

Free Chrome extension that drafts email replies, Excel formulas, code, and marketing copy on any site via ⌘+U.

Buzz Mail drafts a professional Gmail reply to any incoming email with one click, paid for by shared word credits instead of a subscription.

Local-first AI memory for macOS and Windows that drafts replies in your tone in one click.

Shortwave is an AI email assistant that runs an agent inside your Gmail inbox to triage, draft, schedule, and search with a prompt.

Mailopoly is an AI email assistant that folds email and business messaging into one Poly-powered inbox.

A Gmail add-on that turns bullet notes into send-ready drafts using the Gemini assistant already inside your Workspace plan.

NOX (formerly RPLY) puts 10 messaging apps into one macOS inbox and drafts replies in your voice.

Superhuman is an AI email client, docs workspace, and Go assistant whose proactive agents run where your team already works.

Canary Mail is an AI email client with on-device Copilot, PGP encryption, and a unified inbox across Mac, iOS, Windows, and Android.

AI-first email app that turns your inbox into a chat-style hub for email, docs, tasks, and calls

Avec turns a Gmail inbox into a swipeable one-at-a-time stack, with hold-to-talk voice compose on iPhone.

Yahoo Mail delivers free AI compose, AI thread summaries, and a Planner that turns email into tasks.

Gmail's Gemini 3 rebuild adds AI Overviews that summarize threads and answer plain-language questions about your inbox

AI email assistant that triages your inbox and drafts replies for $8.25/month.

Microsoft Outlook unifies email, calendar, contacts, and to-do across Gmail, Yahoo, iCloud and Outlook.com in one inbox

Missive + AI brings GPT-5 summarize, translate, and reply drafting into a shared team inbox.

Scape is a Mac email client that drafts AI replies and records meetings locally, no bot in the call

Free iOS email client that unifies Hotmail, Outlook, Gmail, Office 365, iCloud, Yahoo and Exchange in one ad-free inbox.

myMail box is a free iOS email client that unifies Gmail, Outlook, iCloud and IMAP accounts with notes, Cloud, and Calendar.