DocGen Guide 128 tools · prices checked 20 Oct 2026 Find my tool
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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.

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