Shortlist by what you need
Start here if you know why you are leaving Jace.
Want the closest match?
MailMaestroMost similar to Jace in what it does, its category and its price.
Visit (opens MailMaestro in a new tab)Need a free plan?
ShortwaveHas a free plan, rated 4.4 out of 5. Jace has none.
Visit (opens Shortwave in a new tab)Want to pay less than Jace?
Brief My MeetingFrom $18/mo, against from $20/mo for Jace.
Visit (opens Brief My Meeting in a new tab)Want the best rated?
AssemblyRated 4.0 out of 5 in our review, against 3.8 for Jace.
Visit (opens Assembly in a new tab)
At a glance
Green means better than Jace, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
 JaceBaseline | 3.8 | $20/mo | No | AI email assistant that drafts Gmail replies in a user's own voice and organizes an inbox automatically. | |
| MailMaestro | 4.1+0.3 | $12/mo$8 less | YesJace has none | AI email assistant that drafts, summarizes, and manages messages directly inside Outlook and Gmail. | vs Jace |
| Shortwave | 4.4+0.6 | $7/mo$13 less | YesJace has none | An AI-native email client built by former Google engineers | vs Jace |
 superReply | 3.4−0.4 | Free | YesJace has none | AI drafts the reply to any email, DM or message across Gmail, Outlook, WhatsApp, Slack, LinkedIn, Upwork and Fiverr - matches your tone, offers several options, 90 free replies a month. | vs Jace |
 Saidar | 3.5−0.3 | Free | YesJace has none | An email and calendar assistant you talk to in iMessage, with no app to open. | vs Jace |
| Brief My Meeting | 3.7−0.1 | $18/mo$2 less | No | Emails a research briefing on meeting attendees and prior context four hours before each external call. | vs Jace |
| Assembly | 4.0+0.2 | $39/mo$19 more | No | AI-powered client portal and CRM that centralizes communication, files, and billing for professional service firms. | vs Jace |
 Ellie | 3.5−0.3 | Not listed | No | Ellie reads your sent mail, learns your tone and sign-offs, then drafts replies overnight in your own voice - ready to review by morning, for Gmail and Outlook. | vs Jace |
 EmailTriager | 3.4−0.4 | Free | YesJace has none | Organises the inbox and drafts replies in the background, so email becomes reviewing and sending rather than composing. | vs Jace |
The alternatives in detail
In order of how closely each one matches Jace.
MailMaestro
4.1$12/mo
vs Jace$8 less+0.3Free plan
AI email assistant that drafts, summarizes, and manages messages directly inside Outlook and Gmail.
- AI email drafting with three variation options per prompt
- Automatic thread summarization
- Context-aware reply suggestions
Free tier available with no credit card required
Full feature depth, including advanced summarization, concentrates in the paid Pro tier
Shortwave
4.4$7/mo
vs Jace$13 less+0.6Free plan
An AI-native email client built by former Google engineers.
- AI-native email client built from scratch
- AI-powered search and thread summarization
- Built by former Google engineers
Genuinely rebuilt email experience, not a plugin on a traditional client
More features require a paid plan
superReply
3.4Free
vs Jace−0.4Free plan
AI drafts the reply to any email, DM or message across Gmail, Outlook, WhatsApp, Slack, LinkedIn, Upwork and Fiverr - matches your tone, offers several options, 90 free replies a month.
- AI reply generation across Gmail, Outlook, WhatsApp, Slack, LinkedIn, Upwork, and Fiverr
- Tone-matched response suggestions
- Multiple reply options per message
Covers seven platforms from one extension, not just email
Free tier's 90 emails/month is limiting for high-volume users
Saidar
3.5Free
vs Jace−0.3Free plan
An email and calendar assistant you talk to in iMessage, with no app to open.
- Email and calendar management over iMessage
- Daily schedule summaries
- Surfaces messages needing a decision
Lives in a thread you already have open, removing a step rather than adding one
Needs standing access to your email and calendar, a very large grant
Brief My Meeting
3.7$18/mo
vs Jace$2 less−0.1
Emails a research briefing on meeting attendees and prior context four hours before each external call.
- Automatic pre-meeting briefing emails sent four hours ahead
- Attendee research pulling LinkedIn profiles and company context
- Full inbox and calendar history aggregation per meeting
Open-source and self-hostable for teams wary of granting calendar and email access to a closed platform
Requires broad calendar and inbox access to function, a real privacy trade-off even with self-hosting available
Assembly
4.0$39/mo
vs Jace$19 more+0.2
AI-powered client portal and CRM that centralizes communication, files, and billing for professional service firms.
- Branded client portals consolidating messages, files, forms, and invoices in one place
- AI Assistant that drafts replies and summarizes client threads using full context
- Automated task creation and invoice preparation from client interactions
AI Assistant uses actual client history and context rather than generic chat responses
No permanent free plan, only a 14-day trial before billing starts
Ellie
3.5Not listed
vs Jace−0.3
Ellie reads your sent mail, learns your tone and sign-offs, then drafts replies overnight in your own voice - ready to review by morning, for Gmail and Outlook.
- Learns individual writing voice from sent mail - tone, sign-offs, phrasing
- Drafts replies overnight, ready to review each morning
- Custom plain-English rules for automatic email categorization
Explicit privacy stance - won't train general models on your email
Reply limits apply due to AI generation costs
EmailTriager
3.4Free
vs Jace−0.4Free plan
Organises the inbox and drafts replies in the background, so email becomes reviewing and sending rather than composing.
- Incoming email organised automatically
- Replies drafted in the background before you open them
- Review-and-send rather than compose-from-scratch
Attacks context switching, which is the real cost of email
Requires read and compose access to your mailbox
FAQ
Questions people ask
Is Jace free?
Jace does not list a free plan. Paid plans start from $20/mo.
What is the best free alternative to Jace?
Shortwave is the highest-rated alternative here with a free plan (4.4 out of 5). Other free options: MailMaestro, Saidar, superReply.
What is the cheapest alternative to Jace?
Among paid plans, Shortwave has the lowest starting price (from $7/mo). If you need it free, start with Shortwave.
How did you pick these alternatives?
We match tools on what they do, their category and their price, using the details in our directory. Ratings come from our reviews and reader reviews.