kitio.aiMartin vs Sidekick AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Sidekick AI has the lower starting price: about $5 a month, against $35 for Martin.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Inbox management
- Calendar scheduling
- Phone calls
- Reminders and to-dos
- Background tasks
- Scheduling pages
- Forward to Schedule
- Team pages
- Google Calendar and Teams
- Meeting stats
| Feature | Martin | Sidekick AI |
|---|---|---|
| Best for | AI personal assistant for email, calendar, calls and reminders | AI scheduling that books meetings from forwarded emails |
| Category | Productivity | Productivity |
| Pricing model | Free trial | Freemium |
| Starting price | $35/mo | $5/mo |
| Free plan | No, 7-day trial | Yes |
| Made by | Martin | Sidekick |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
Sidekick AI has the lower starting price: about $5 a month, against $35 for Martin.
Free plan
Cheapest paid plan
Top plan
Free trial
2 plans
Free
Free
- Scheduling pages
- Sidekick branding
Superhero
$5/mo
- Unlimited sources and calendars
- Remove Sidekick branding
- Team pages
- Meeting stats
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
Martin
- Many ways to reach it
- Handles calls and email
- Proactive briefings
- No free plan
- Background tasks need Pro
Sidekick AI
- Free forever plan
- Schedules from a forwarded email
- Paid plan is only $5 a month
- Free plan shows Sidekick branding
- Team pages need the paid plan
- Smaller integration list than larger schedulers
Which one should you choose?
Choose Martin if you want:
- Many ways to reach it
- Handles calls and email
- Proactive briefings
Watch out: no free plan.
Choose Sidekick AI if you want:
- Free forever plan
- Schedules from a forwarded email
- Paid plan is only $5 a month
Watch out: free plan shows sidekick branding.
Martin vs Sidekick AI FAQ
What is the difference between Martin and Sidekick AI?
Martin: AI personal assistant for email, calendar, calls and reminders. Sidekick AI: AI scheduling that books meetings from forwarded emails. Both are productivity tools.
Is Martin or Sidekick AI cheaper?
Sidekick AI has the lower starting price: about $5 a month, against $35 for Martin.
Do Martin and Sidekick AI have free plans?
Martin: No, 7-day trial. Sidekick AI: Yes.
Who makes Martin?
Martin is made by Martin, based in United States.
Who makes Sidekick AI?
Sidekick AI is made by Sidekick.
Which should I choose, Martin or Sidekick AI?
Choose Martin if you value many ways to reach it and handles calls and email. Choose Sidekick AI if you value free forever plan and schedules from a forwarded email.