Tettra
Whimsical
| Feature | Tettra | Whimsical |
|---|---|---|
| Pricing | Free / from $8.33/mo | Free / from $10/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.3 / 5 | 4.5 / 5 |
| Best For | growing-teams, ops-teams, people-teams, customer-success | product-managers, designers, startups, remote-teams |
| Founded | 2016 | 2017 |
| Ai Answers | ✓ | ✗ |
| Slack Bot | ✓ | ✗ |
| Verification Cycle | ✓ | ✗ |
| Page Suggestions | ✓ | ✗ |
| Categories | ✓ | ✗ |
| Analytics | ✓ | ✗ |
| Flowcharts | ✗ | ✓ |
| Wireframes | ✗ | ✓ |
| Mind Maps | ✗ | ✓ |
| Sticky Notes | ✗ | ✓ |
| Ai Suggestions | ✗ | ✓ |
| Docs | ✗ | ✓ |
✓ Tettra Pros
- AI answers questions from your knowledge base
- Slack bot for instant answers
- Content staleness alerts
- Simple editor non-technical teams love
✗ Tettra Cons
- Limited formatting options
- No public-facing documentation
- Smaller feature set than Notion
✓ Whimsical Pros
- Fast and intuitive
- Great for wireframes
- Clean interface
- AI features
✗ Whimsical Cons
- Limited free boards
- No real-time video
- Fewer templates than Miro
The Verdict
Tettra is built for growing teams and ops teams, with a focus on ai-answers and slack-bot. Whimsical targets product managers and designers and leads with flowcharts and wireframes.
Pricing is close: Tettra starts at $8.33/mo versus $10/mo for Whimsical — not a deciding factor on its own.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.