Pick Fillout when
your forms read from or write to Airtable or Notion and a thousand responses a month is enough.
A capable form builder with a generous free response limit and strong ties to Airtable, Notion and other databases.
Pick Formkit when
you want unlimited responses, partial responses on the free plan, and a custom domain without the top plan.
A complete workspace for designing the form, shaping the journey, and using what comes back. Free to start.
Feature by feature
Based on each product’s own pricing page, help centre and developer docs, October 2026, and the free plan unless a row says otherwise. A dash means the feature exists but is narrower. Plans change, so check theirs before you decide.
| Capability | Fillout3 yes · 2 partly · 4 no | 6 yes · 3 partly |
|---|---|---|
| Responses | Partly1,000 a month | YesUnlimited |
| Conditional logic | YesIncluded | YesSkip, show, hide |
| People working on a form | YesUnlimited seats | YesUnlimited members, 3 guests per form |
| Partial responses kept | NoPaid plans | YesOn every plan |
| Publish under your own link | NoShared domain | Yesformkit.app/your-name |
| Custom domain | PartlyBusiness plan, $75 a month | PartlyPro, $6 a seat a month |
| Works in Claude and ChatGPT (MCP) | NoNot offered for forms | YesEvery plan |
| Pay what you want | YesIncluded | PartlyPro, with a minimum |
| Tax worked out for you | NoNo automatic VAT | PartlyStripe Tax, on Pro |
- ResponsesFillout: Partly1,000 a monthFormkit: YesUnlimited
- Conditional logicFillout: YesIncludedFormkit: YesSkip, show, hide
- People working on a formFillout: YesUnlimited seatsFormkit: YesUnlimited members, 3 guests per form
- Partial responses keptFillout: NoPaid plansFormkit: YesOn every plan
- Publish under your own linkFillout: NoShared domainFormkit: Yesformkit.app/your-name
- Custom domainFillout: PartlyBusiness plan, $75 a monthFormkit: PartlyPro, $6 a seat a month
- Works in Claude and ChatGPT (MCP)Fillout: NoNot offered for formsFormkit: YesEvery plan
- Pay what you wantFillout: YesIncludedFormkit: PartlyPro, with a minimum
- Tax worked out for youFillout: NoNo automatic VATFormkit: PartlyStripe Tax, on Pro
What a table can’t show
A tick says a feature exists. These show how it works in Formkit.
Try a theme, a font and your own domain
Questions people ask
Which is better with Airtable or Notion?
Fillout. It is built around those tools. Formkit connects to Notion, Airtable, HubSpot, Google Sheets and Slack on Pro, and to anything else through signed webhooks.
What happens after 1,000 responses?
On Fillout's free plan, that is the monthly limit. Formkit does not cap responses on any plan.
Can I use my own domain?
On Formkit, a domain like forms.acme.com is on Pro from $6 a seat a month. On Fillout, custom domains are on the Business plan.
Does Formkit do one question at a time?
Yes. Conversational mode shows one question per screen, and classic mode shows the whole page. It is a setting on each form.
Choose the tool that fits the job. Choose Formkit when the form is part of how people see you.
Build a form