Formstack vs Windmill
Side-by-side comparison of features, pricing, and integrations.
Quick Verdict
Formstack offers more features (71 vs 41) and fewer integrations (7 vs 30). Both start at $99/mo. Formstack has 71 unique features while Windmill has 41 unique features, with 0 features in common.
| Formstack | Windmill | |
|---|---|---|
| Category | Workflow Automation | Workflow Automation |
| Total Features | 71 | 41 |
| AI-Powered Features | 1 | 0 |
| Starting Price | $99/mo | $99/mo |
| Pricing Tiers | 8 | 4 |
| Integrations | 7 | 30 |
| Shared Features | 0 | |
| Shared Integrations | 4 | |
| Data Quality | 90% | 71% |
Feature Comparison by Category
AI (1 vs 0)
| Feature | Formstack | Windmill |
|---|---|---|
| AI-Powered Form Builder |
API Management (0 vs 3)
| Feature | Formstack | Windmill |
|---|---|---|
| API Documentation Generation | ||
| REST API Generation | ||
| Rate Limiting |
Accessibility (1 vs 0)
| Feature | Formstack | Windmill |
|---|---|---|
| Section 508 Compliant Forms |
Analytics (0 vs 2)
| Feature | Formstack | Windmill |
|---|---|---|
| Performance Analytics | ||
| Workflow Analytics |
Analytics & Reporting (6 vs 0)
| Feature | Formstack | Windmill |
|---|---|---|
| Analytics | ||
| Campaign Tracking | ||
| Conversion Kit | ||
| Field Bottlenecks | ||
| Partial Submissions | ||
| Workflow Dashboard |
Automation (0 vs 1)
| Feature | Formstack | Windmill |
|---|---|---|
| Job Scheduling |
Collaboration (0 vs 1)
| Feature | Formstack | Windmill |
|---|---|---|
| Team Collaboration |
Configuration (0 vs 2)
| Feature | Formstack | Windmill |
|---|---|---|
| Resource Management | ||
| Variable Management |
Data Management (3 vs 0)
| Feature | Formstack | Windmill |
|---|---|---|
| Field Validation | ||
| Form Importer | ||
| Import/Export |
Data Processing (0 vs 2)
| Feature | Formstack | Windmill |
|---|---|---|
| Data Transformation | ||
| File Upload Handling |
DevOps (0 vs 1)
| Feature | Formstack | Windmill |
|---|---|---|
| Deployment Management |
Development (0 vs 5)
| Feature | Formstack | Windmill |
|---|---|---|
| Code Editor | ||
| Custom Operators | ||
| Multi-language Support | ||
| Script Library | ||
| Version Control Integration |
Document Automation (5 vs 0)
| Feature | Formstack | Windmill |
|---|---|---|
| Build Documents in Salesforce | ||
| Document Generation | ||
| Documents for Salesforce | ||
| One-Click Salesforce Documents | ||
| Reusable Templates |
Form Building (16 vs 0)
| Feature | Formstack | Windmill |
|---|---|---|
| Advanced Branding | ||
| Advanced Prefill | ||
| Conditional Logic | ||
| Custom Branding | ||
| Drag and Drop Builder | ||
| Dynamic Prefill | ||
| Field Prefill | ||
| File Uploads | ||
| Mobile-Friendly Forms | ||
| One Question at a Time | ||
| Progressive Data Capture | ||
| Save and Resume | ||
| Saved Fields | ||
| Smart Lists | ||
| Subdomains |
Hosting (0 vs 2)
| Feature | Formstack | Windmill |
|---|---|---|
| Custom Domain Support | ||
| Self-Hosted Deployment |
Integration (5 vs 4)
| Feature | Formstack | Windmill |
|---|---|---|
| API Connector | ||
| Advanced Integrations | ||
| Database Connections | ||
| Forms API and Webhooks | ||
| Forms for Salesforce | ||
| GraphQL Support | ||
| OpenAPI Schema Support | ||
| Salesforce Experience Cloud Sites | ||
| Webhook Triggers |
Localization (1 vs 0)
| Feature | Formstack | Windmill |
|---|---|---|
| Multiple Languages |
Monitoring (0 vs 3)
| Feature | Formstack | Windmill |
|---|---|---|
| Advanced Filtering | ||
| Execution History | ||
| Flow Monitoring Dashboard |
Notification (0 vs 2)
| Feature | Formstack | Windmill |
|---|---|---|
| Email Notifications | ||
| Notification Channels |
Payment (4 vs 0)
| Feature | Formstack | Windmill |
|---|---|---|
| Calculating Fields | ||
| Discount Codes | ||
| PCI Compliant Forms | ||
| Payment Processors |
Performance (0 vs 2)
| Feature | Formstack | Windmill |
|---|---|---|
| Bulk Operations | ||
| Parallelization |
Reliability (0 vs 1)
| Feature | Formstack | Windmill |
|---|---|---|
| Error Handling |
Security (6 vs 4)
| Feature | Formstack | Windmill |
|---|---|---|
| Access Management and SSO | ||
| Audit Logs | ||
| Encrypted Fields Support | ||
| Enhanced Data Security Add On | ||
| Password Protected Documents | ||
| RBAC | ||
| SSO Authentication | ||
| Salesforce Shield Support | ||
| Session Management | ||
| Webhook Signatures |
Support (0 vs 1)
| Feature | Formstack | Windmill |
|---|---|---|
| Enterprise Support |
UI (0 vs 1)
| Feature | Formstack | Windmill |
|---|---|---|
| User Forms |
Workflow Automation (8 vs 0)
| Feature | Formstack | Windmill |
|---|---|---|
| Data Routing | ||
| Dynamic Task Assignment | ||
| Email Confirmations and Notifications | ||
| Form to Form Prefill | ||
| Group Approvals | ||
| Intellistack Streamline | ||
| Step Logic | ||
| Workflow Automation |
Workflow Design (0 vs 4)
| Feature | Formstack | Windmill |
|---|---|---|
| Branching Logic | ||
| Loops and Iteration | ||
| Visual Workflow Builder | ||
| Workflow Templates |
Workspace Management (1 vs 0)
| Feature | Formstack | Windmill |
|---|---|---|
| Workspace |
eSignature (14 vs 0)
| Feature | Formstack | Windmill |
|---|---|---|
| Auto-Reminders via SMS and Email | ||
| Certificate of Completion | ||
| Electronic Record Disclosure | ||
| Electronic Signatures | ||
| Email Integrations for Signer Assignment | ||
| In-Person Signing | ||
| In-Session Signing | ||
| International SMS Signature Requests | ||
| Mobile-Responsive Signing | ||
| Multi-Participant Signing | ||
| SMS Text Signing | ||
| Sign API | ||
| Signature Audit Trail | ||
| eSignature Solution |
Unique Features
Only in Formstack (71)
Section 508 Compliant Forms
AI-Powered Form Builder
Analytics
Campaign Tracking
Conversion Kit
Field Bottlenecks
Partial Submissions
Workflow Dashboard
Field Validation
Form Importer
Import/Export
Build Documents in Salesforce
Document Generation
Documents for Salesforce
One-Click Salesforce Documents
Reusable Templates
Auto-Reminders via SMS and Email
Certificate of Completion
Electronic Record Disclosure
Electronic Signatures
+ 51 more unique features
Only in Windmill (41)
Performance Analytics
Workflow Analytics
API Documentation Generation
Rate Limiting
REST API Generation
Job Scheduling
Team Collaboration
Resource Management
Variable Management
Data Transformation
File Upload Handling
Code Editor
Custom Operators
Multi-language Support
Script Library
Version Control Integration
Deployment Management
Custom Domain Support
Self-Hosted Deployment
Database Connections
+ 21 more unique features
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