kitio.aiJace vs Sixty AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Jace starts at $25/mo and Sixty AI starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Drafts in your voice
- Inbox organisation
- Smart rules
- Calendar scheduling
- Integrations such as Slack
- Chat with email history
- Meeting briefings
- Agenda snapshots
- Inbox filtering
- Schedule change alerts
- Milestone reminders
| Feature | Jace | Sixty AI |
|---|---|---|
| Best for | AI email assistant that drafts replies, sorts mail and books meetings | AI assistant that preps briefings and tames your inbox |
| Category | Productivity | Productivity |
| Pricing model | Freemium | Freemium |
| Starting price | $25/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | Jace | Sixty |
| Based in | – | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Jace starts at $25/mo and Sixty AI starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Plus
$25/mo
- 10,000 credits monthly
- 2 inboxes
- 1 year of email history chat
Pro
$50/mo
- 20,000+ credits monthly
- 8 inboxes
- 3 years of email history chat
- Custom integrations and MCPs
Enterprise
Contact sales
- Usage-based pricing
- White-glove setup
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Jace
- Drafts include attachment and calendar context
- Rules automate CCs and templates
- 7-day trial on paid plans
- Monthly credits cap heavy use
- Plus plan limits you to 2 inboxes
- Needs access to your whole mailbox
Sixty AI
- Briefings pull in past interactions
- Alerts only when your day is affected
- Covers email, calendar and contacts
- Pricing is not shown on the site
- Few integrations are listed
- Homepage is light on technical detail
Which one should you choose?
Choose Jace if you want:
- Drafts include attachment and calendar context
- Rules automate CCs and templates
- 7-day trial on paid plans
Watch out: monthly credits cap heavy use.
Choose Sixty AI if you want:
- Briefings pull in past interactions
- Alerts only when your day is affected
- Covers email, calendar and contacts
Watch out: pricing is not shown on the site.
Jace vs Sixty AI FAQ
What is the difference between Jace and Sixty AI?
Jace: AI email assistant that drafts replies, sorts mail and books meetings. Sixty AI: AI assistant that preps briefings and tames your inbox. Both are productivity tools.
Is Jace or Sixty AI cheaper?
Jace starts at $25/mo and Sixty AI starts at See pricing page. Check both pricing pages for current plans.
Do Jace and Sixty AI have free plans?
Jace: Yes. Sixty AI: Yes.
Who makes Jace?
Jace is made by Jace.
Who makes Sixty AI?
Sixty AI is made by Sixty, based in United States.
Which should I choose, Jace or Sixty AI?
Choose Jace if you value drafts include attachment and calendar context and rules automate ccs and templates. Choose Sixty AI if you value briefings pull in past interactions and alerts only when your day is affected.