Fillout vs Formstack
Updated June 2026 · A structured head-to-head comparison.
The verdict
Both Fillout and Formstack are credible forms surveys tools, and the right pick comes down to your priorities.
Choose Fillout if you want a lower starting price (free – $15/mo), a free plan to start on and a higher overall rating (4.8/5). Powerful forms, generous free tier.
Choose Formstack if you'd rather have a longer free trial (14 days). Forms, documents, and signatures.
Fillout vs Formstack: side by side
| Dimension | Fillout | Formstack |
|---|---|---|
| Starting price | Free – $15/moWinner | From $83/mo |
| Free plan | YesWinner | No |
| Free trial | — | 14 daysWinner |
| Pricing model | Freemium | Subscription |
| Best for | Startups, Operations | Smb, Healthcare |
| Platforms | Web, Api | Web, Api |
| Rating | 4.8/5Winner | 4.4/5 |
Fillout key facts
- Vendor
- Fillout
- Pricing
- Freemium — Free – $15/mo
- Free tier
- Yes
- Platforms
- Web, Api
- Best for
- Startups, Operations
- Editor rating
- 4.8 / 5
- Founded
- 2022
- Headquarters
- New York, NY, USA
Formstack key facts
- Vendor
- Formstack
- Pricing
- Subscription — From $83/mo
- Free tier
- Free trial (14 days)
- Platforms
- Web, Api
- Best for
- Smb, Healthcare
- Editor rating
- 4.4 / 5
- Founded
- 2006
- Headquarters
- Fishers, IN, USA
Frequently asked questions
Is Fillout better than Formstack?
Neither is universally better — Fillout edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.
Is Fillout or Formstack cheaper?
Fillout is the more affordable of the two to get started, at free – $15/mo. Fillout starts at free – $15/mo; Formstack starts at from $83/mo.
Can Fillout replace Formstack?
Yes for most teams — both are forms surveys tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.