kitio.aiThinkstack vs Knowbo
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Thinkstack has the lower starting price: about $16 a month, against $19 for Knowbo.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Training on URLs, files and Notion
- Human handoff
- Conversational forms
- Chatbot actions
- WhatsApp and Messenger channels
- White-label bots
- Training from URL or sitemap
- Automatic knowledge updates
- Brand customization
- One-snippet embed
- Chat history
| Feature | Thinkstack | Knowbo |
|---|---|---|
| Best for | No-code AI chatbot builder for support and sales on your website | Website chatbot that trains itself on your sitemap or docs |
| Category | Customer support | Customer support |
| Pricing model | Freemium | Free trial |
| Starting price | $16/mo | $19/mo |
| Free plan | Yes | No, 7-day trial |
| Made by | Thinkstack | Knowbo |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
Thinkstack has the lower starting price: about $16 a month, against $19 for Knowbo.
Free plan
Cheapest paid plan
Top plan
Free trial
5 plans
Free
Free
- 1 chatbot
- 250 message credits
- 50 links per month
Basic
$16/mo
- 3,000 message credits monthly
- 500 links per month
Pro
$90/mo
- 5 chatbots
- 15,000 message credits monthly
- 3 users
Ultra
$299/mo
- 10 chatbots
- Unlimited credits with your OpenAI key
Enterprise
Custom
- White-labeling
- Custom hosting
- Priority support
3 plans
Starter
$19/mo
- 1 chatbot
- 100 customer messages a day
- 50 source URLs
Expert
$39/mo
- 5 chatbots
- Unlimited messages
- 500 source URLs
- Auto updates and chat history
Ultimate
$79/mo
- 10 chatbots
- 2,000 source URLs
- No Knowbo branding
- Priority support
Prices in USD, checked Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Thinkstack
- Free plan to try it out
- Many data sources for training
- Works on social messaging apps too
- Free plan has only 250 message credits
- Removing branding costs extra
- Jump from Pro to Ultra is steep
Knowbo
- Setup takes a few minutes
- No coding beyond pasting a snippet
- Keeps up with site changes on higher plans
- Starter caps messages at 100 a day
- Branding removal only on top plan
- Learns only from web pages you point it to
Which one should you choose?
Choose Thinkstack if you want:
- Free plan to try it out
- Many data sources for training
- Works on social messaging apps too
Watch out: free plan has only 250 message credits.
Choose Knowbo if you want:
- Setup takes a few minutes
- No coding beyond pasting a snippet
- Keeps up with site changes on higher plans
Watch out: starter caps messages at 100 a day.
Thinkstack vs Knowbo FAQ
What is the difference between Thinkstack and Knowbo?
Thinkstack: No-code AI chatbot builder for support and sales on your website. Knowbo: Website chatbot that trains itself on your sitemap or docs. Both are customer support tools.
Is Thinkstack or Knowbo cheaper?
Thinkstack has the lower starting price: about $16 a month, against $19 for Knowbo.
Do Thinkstack and Knowbo have free plans?
Thinkstack: Yes. Knowbo: No, 7-day trial.
Who makes Thinkstack?
Thinkstack is made by Thinkstack.
Who makes Knowbo?
Knowbo is made by Knowbo.
Which should I choose, Thinkstack or Knowbo?
Choose Thinkstack if you value free plan to try it out and many data sources for training. Choose Knowbo if you value setup takes a few minutes and no coding beyond pasting a snippet.