kitio.aiSpark Mail vs Slite
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Spark Mail starts at $10/mo and Slite starts at $10/mo. 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
- Smart inbox
- Spark +AI writing
- Email summaries
- Gatekeeper for new senders
- Shared threads
- AI answers from docs
- Doc health checks
- Slack integration
- Connected source search
- Collaborative editor
| Feature | Spark Mail | Slite |
|---|---|---|
| Best for | Smart email client with AI writing, summaries and team sharing | Team knowledge base with AI answers and self-maintaining docs |
| Category | Productivity | Productivity |
| Pricing model | Freemium | Free trial |
| Starting price | $10/mo | $10/mo |
| Free plan | Yes | No, 14-day trial |
| Made by | Readdle | Slite |
| Based in | Ukraine | France |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
Spark Mail starts at $10/mo and Slite starts at $10/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Free
Free
- Smart Inbox
- Unlimited email accounts
- Calendar
- 5 AI meeting notes (lifetime)
Plus
$10/mo
- Per user
- Spark +AI assistant
- 40 AI meeting notes/month
- Advanced productivity
Pro
$20/mo
- Per user
- Unlimited AI meeting notes
- Autopilot and auto-drafts
- Read statuses
Enterprise
Contact sales
- Security and controls
- Dedicated success manager
- 1:1 productivity coaching
3 plans
Basic
$10/mo
- Per user, billed yearly
- Unlimited docs
- AI search and answers
- Doc verification workflow
Pro
$20/mo
- Per user, billed yearly
- Slite Agent and connected tools
- 50 monthly credits per seat
- OpenID SSO, custom domain
Enterprise
Custom
- Reader-only seats
- Audit logs and SCIM
- SLA and dedicated manager
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Spark Mail
- Works with any email provider
- Free plan for individuals
- Good team collaboration
- Mail passes through Spark servers
- Best AI features are paid
Slite
- Clean, simple editor
- Helps keep docs current
- Good Slack answers
- AI credits are pooled and limited
- Fewer database features than Notion
Which one should you choose?
Choose Spark Mail if you want:
- Works with any email provider
- Free plan for individuals
- Good team collaboration
Watch out: mail passes through spark servers.
Choose Slite if you want:
- Clean, simple editor
- Helps keep docs current
- Good Slack answers
Watch out: ai credits are pooled and limited.
Spark Mail vs Slite FAQ
What is the difference between Spark Mail and Slite?
Spark Mail: Smart email client with AI writing, summaries and team sharing. Slite: Team knowledge base with AI answers and self-maintaining docs. Both are productivity tools.
Is Spark Mail or Slite cheaper?
Spark Mail starts at $10/mo and Slite starts at $10/mo. Check both pricing pages for current plans.
Do Spark Mail and Slite have free plans?
Spark Mail: Yes. Slite: No, 14-day trial.
Who makes Spark Mail?
Spark Mail is made by Readdle, based in Ukraine.
Who makes Slite?
Slite is made by Slite, based in France.
Which should I choose, Spark Mail or Slite?
Choose Spark Mail if you value works with any email provider and free plan for individuals. Choose Slite if you value clean, simple editor and helps keep docs current.