Free Web
Free source (opens in a new tab)
Month, annual commitment
For: Trying it on one site
Limits
- 1 website
- 100 messages per month
1 more
- 10 leads per month
Includes
- Lead capture
- Knowster branding
Chat assistants · pricing
Knowster pricing in 2026: Free, Starter, Pro, Scale and Enterprise explained
Knowster suits small businesses that want a website chatbot trained on their own pages and Google Drive files, installed with one line of code, starting on a free plan.
- Starting price
- $39/mo (Starter)
- Free option
- Yes
- Plans
- 5
- Prices checked
- Sep 29, 2026
Knowster pricing page, captured
Our own captures of each vendor's public pages. Click a frame for the full-size image.
Knowster plans and what they include
Knowster prices its website chatbot by sites, messages and leads. Free has no time limit or card: 1 website, 100 messages and 10 leads a month, with lead capture and Knowster branding. Starter is $39 per month for 3 websites, 2,000 messages and 200 leads, adding an analytics dashboard. Pro is $99 for 10 websites, 6,000 messages, 1,000 leads and white-label. Scale is $299 for 50 websites, 20,000 messages and 5,000 leads.
Enterprise is custom-priced, with unlimited websites, custom chat volume and priority support. All paid prices are billed monthly; there is no annual billing yet. Paid plans carry a 14-day money-back guarantee. Prices checked on 2026-09-29.
Knowster plans compared
| Plan | Price | Billing | Who it is for | Key limits | API |
|---|---|---|---|---|---|
| Free Web |
Free | Monthly annual commitment |
Trying it on one site | 1 website; 100 messages per month; 10 leads per month | Not stated |
| Starter Web |
$39/mo | Monthly annual commitment |
Small business | 3 websites; 2,000 messages per month; 200 leads per month | Not stated |
| Pro Web |
$99/mo | Monthly annual commitment |
Agencies and growing shops | 10 websites; 6,000 messages per month; 1,000 leads per month | Not stated |
| Scale Web |
$299/mo | Monthly annual commitment |
Many sites | 50 websites; 20,000 messages per month; 5,000 leads per month | Not stated |
| Enterprise Web |
Custom pricing | Monthly annual commitment |
Large deployments | Unlimited websites | Not stated |
Which Knowster plan to pick
| If you | Pick | Why |
|---|---|---|
| you want to test the bot on one site | Free | 1 website, 100 messages and 10 leads a month with lead capture, but no analytics dashboard. |
| you run a small business with a few sites | Starter, $39/mo | 3 websites, 2,000 messages, 200 leads and analytics. Knowster branding stays. |
| you are an agency or want your own branding | Pro, $99/mo | 10 websites, 6,000 messages, 1,000 leads and white-label. |
| you host chatbots for many sites | Scale, $299/mo | 50 websites, 20,000 messages and 5,000 leads, with white-label. |
| you need unlimited sites or custom volume | Enterprise (custom) | Unlimited websites, custom chat volume and priority support. |
What is free, what costs extra
Free access and trial
Free plan has no time limit and no credit card.
Free plan serves as trial; 14-day money-back guarantee on paid plans.
Extra costs and taxes
Top-up pack of 1,000 messages for $20; no automatic overage.
Not stated.
Costs that are easy to miss
- A top-up pack of 1,000 messages costs $20; there is no automatic overage.
- White-label requires Pro, since Knowster branding stays on Free and Starter.
- PDF and Word files are not read from Google Drive, so documents need conversion.
- No annual billing exists yet, so there is no annual discount.
Knowster pricing and usage limits
Prices checked Sep 29, 2026 on the official US pricing page. Official pricing ↗ Prices and limits change often.
Free access and trial conditions
Free plan has no time limit and no credit card.
Free plan serves as trial; 14-day money-back guarantee on paid plans.
Paid plans: what changes as you upgrade
Starter Web
$39/mo source (opens in a new tab)
Month, annual commitment
For: Small business
Limits
- 3 websites
- 2,000 messages per month
1 more
- 200 leads per month
Includes
- Analytics dashboard
- Lead capture
1 more
- Knowster branding
Pro Web
$99/mo source (opens in a new tab)
Month, annual commitment
For: Agencies and growing shops
Limits
- 10 websites
- 6,000 messages per month
1 more
- 1,000 leads per month
Includes
- White-label
- Analytics dashboard
Scale Web
$299/mo source (opens in a new tab)
Month, annual commitment
For: Many sites
Limits
- 50 websites
- 20,000 messages per month
1 more
- 5,000 leads per month
Includes
- White-label
- Analytics dashboard
Enterprise Web
Custom pricing source (opens in a new tab)
Month, annual commitment
For: Large deployments
Limits
- Unlimited websites
Includes
- Custom chat volume
- Priority support
Usage caps, credits and extra costs
Top-up pack of 1,000 messages for $20; no automatic overage.
Not stated.
How much Knowster costs per year
At the listed prices, a single user pays between $468 and $3,588 a year on the fixed-price plans, or nothing on the free tier within its limits. Annual billing discounts, taxes and usage-based extras are listed per plan above where the vendor publishes them.
Knowster FAQ
Is there a free plan?
Yes, with no time limit or credit card: 1 website, 100 messages and 10 leads per month. source (opens in a new tab)
What happens when messages run out?
The bot invites visitors to leave an email; add a $20 pack of 1,000 messages or upgrade, with no automatic overage. source (opens in a new tab)
Is there annual billing?
Not yet; all plans are month-to-month. source (opens in a new tab)
Is there a free Knowster plan?
Yes, with no time limit and no credit card: 1 website, 100 messages and 10 leads per month.
How much is Knowster Pro?
$99 per month, billed monthly, with 10 websites, 6,000 messages and white-label.
Can I get a refund?
Paid plans have a 14-day money-back guarantee.
What happens when I run out of messages?
There is no automatic overage. You can buy a top-up pack of 1,000 messages for $20.
More about Knowster
- Full Knowster guide: features, use cases, how-to and sources.
- Knowster alternatives with their prices.
- Best chat assistants tools compared by price.
- LLM API token cost calculator if you pay per token instead of per seat.