Formstack vs pdfFiller: Which Survey Software Is Better in 2026?
Compare pricing, features, integrations, verified reviews, AI capabilities, security, and customer satisfaction — side by side, with no marketing spin.
The Short Answer
Formstack vs pdfFiller, in 15 seconds
Choose Formstack if…
- You depend on a broad integration ecosystem
- You have strict security & compliance needs
- You need the broader feature set
Choose pdfFiller if…
- You want the lower entry price
Head-to-Head Scorecard
How Formstack and pdfFiller score
Formstack leads on 3 of 9 measured dimensions.
- Even
Customer Rating
Average score from verified user reviews
FormstackNo reviewspdfFillerNo reviews - Even
Review Volume
Number of verified reviews — a proxy for adoption
Formstack0pdfFiller0 - pdfFiller
Entry Pricing
Lowest published starting price (free plan = lowest)
Formstack$83/mopdfFiller$8/mo - Even
Free Access
Availability of a free plan and/or free trial
FormstackFree trialpdfFillerFree trial - Formstack
Integrations
Number of listed third-party integrations
Formstack10pdfFiller6 - Formstack
Features
Number of listed product capabilities
Formstack12pdfFiller0 - Even
AI Features
Capabilities mentioning AI, automation or ML
Formstack—pdfFiller— - Formstack
Security & Compliance
Number of listed compliance certifications
Formstack4pdfFiller3 - pdfFiller
Platforms & Deployment
Supported platforms and deployment options
Formstack3pdfFiller5
Feature Comparison
Formstack vs pdfFiller feature breakdown
Search or filter the full feature matrix — core features, AI, integrations, APIs, security and compliance.
Formstack
pdfFillerPricing Comparison
Formstack vs pdfFiller pricing
Entry pricing, plan tiers and the cost factors that shape total cost of ownership.
Formstack
$83/mo to start- No-code form builder
- Conditional logic
- Payment collection
- Integrations
- Forms, Documents, and Sign
- Document generation
- E-signatures
- Advanced integrations
- Advanced security and SSO
- Higher limits
- HIPAA (BAA)
- Dedicated support
pdfFiller
$8/mo to start- Fillable forms
- E-signatures
- Cloud storage
- Edit and fill PDFs
- HIPAA support
- Workflow features
- Advanced integrations
- Document analytics
Total cost of ownership factors
Beyond list price, factor in implementation, training, add-ons and per-seat scaling when estimating total cost of ownership.
Pros & Cons
Formstack vs pdfFiller: strengths and trade-offs
Formstack
Pros
- Free trial offered
- Broad integration ecosystem (10)
- Compliance: SOC 2, GDPR, HIPAA
- Public API available
Cons
- No free plan
- Higher starting price ($83/mo)
pdfFiller
Pros
- Free trial offered
- Lower starting price ($8/mo)
- Compliance: SOC 2 Type II, HIPAA, GDPR
- Public API available
Cons
- No free plan
- Fewer native integrations than the alternative
Buyer Fit
Who should use Formstack vs pdfFiller?
Startups
pdfFiller
pdfFiller keeps early-stage costs lowest with its entry tier.
Small businesses
pdfFiller
pdfFiller offers the most accessible pricing for lean teams.
Agencies
Formstack
Formstack connects to more tools for multi-client workflows.
Enterprises
Formstack
Formstack leads on compliance and breadth for complex needs.
Ecommerce
Formstack
Formstack integrates with more of the commerce stack.
SaaS companies
Formstack
Formstack is the more developer- and automation-friendly choice.
Integration overlap
Shared integrations (2)
Only in Formstack (8)
Only in pdfFiller (4)
Keep Exploring
Other alternatives worth considering
Similar survey software products buyers compare alongside Formstack and pdfFiller.
Ask SIA which solution fits your business
SIA, Saaskart's AI buying assistant, weighs Formstack and pdfFiller against your team size, budget, integrations and compliance needs — then recommends the right fit and the questions to ask each vendor.
Get a personalised recommendationFormstack vs pdfFiller — Frequently Asked Questions
What is the difference between Formstack and pdfFiller?
Formstack and pdfFiller are both Survey Software solutions. Formstack is rated 0.0/5 by 0 users, while pdfFiller is rated 0.0/5 by 0 users. The main differences lie in pricing, features, and target audience.
Which is better, Formstack or pdfFiller?
Based on user ratings, Formstack scores higher at 0.0/5. The best choice depends on your team size, budget, and specific requirements.
Which is cheaper, Formstack or pdfFiller?
pdfFiller is the more affordable option, starting at $8/month.
Does Formstack or pdfFiller have a free plan?
Neither Formstack nor pdfFiller currently offers a free plan, but Formstack provides a free trial.
Can I switch from Formstack to pdfFiller?
Switching between Formstack and pdfFiller is possible. Both support data export. Check integration compatibility and plan for data migration to minimise disruption to your team.
Who should use Formstack vs pdfFiller?
Formstack is best suited for teams that prioritise enterprise features. pdfFiller works well for budget-conscious buyers.
Our Verdict
The bottom line on Formstack vs pdfFiller
Best Overall
Either
It's a tie balances user satisfaction and proven adoption.
Best for Startups
pdfFiller
pdfFiller has the friendliest entry point for new teams.
Best for Enterprise
Formstack
Formstack leads on compliance and feature breadth.
Best Value
pdfFiller
pdfFiller delivers the lowest cost to get started.
Best AI Features
Either
Comparable AI capabilities on both sides.
Highest Rated
Either
Both earn equal user ratings.