Fillout vs Formstack Documents
Two tools that read built-in forms directly, compared field by field from their records. Prices are the cheapest paid plan per month, as each vendor publishes it.
| Field | Fillout fillout.com ↗ |  Formstack Documents formstack.com ↗ |
|---|---|---|
| Sources | built-in forms, Airtable, Notion, Google Sheets, HubSpot, Salesforce | Salesforce, HubSpot, Airtable, built-in forms, JSON API, CSV upload, Zapier, Make or n8n |
| Connects to built-in forms | Direct connection | Direct connection |
| Outputs | PDF, e-sign documents | PDF, DOCX, PPTX, e-sign documents |
| Use cases | Contracts, Onboarding packs, Certificates | Contracts, Reports, Proposals, Onboarding packs |
| Template editor | Visual builder | Word, PDF form, Visual builder |
| Pricing model | Usage tiers | Flat monthly |
| Starting price | $15/mo | $250/mo |
| Free tier | Yes | No |
| Deployment | Cloud | Cloud |
| Integrations | Zapier, Make, Slack, Google Drive | Zapier, DocuSign |
| Proof | None recorded | G2 4.5 (148) |
| Price checked | 20 Oct 2026 | 20 Oct 2026 |
What differs
Fillout starts at $15 a month and Formstack Documents at $250, a difference of $235. Fillout writes 2 formats and Formstack Documents 4; only Formstack Documents lists DOCX and PPTX. Both connect to built-in forms directly, without Zapier or Make in between. Fillout has a free tier; Formstack Documents does not.
More on each
Fillout profile · Fillout pricing · Fillout alternatives
Formstack Documents profile · Formstack Documents pricing · Formstack Documents alternatives
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