Side by side
Fill Genius vs Instafill
Compare what each tool does, what it costs, and how it fits your workflow.
Designed for
Auto-fill forms with AI in one click.
AI-powered PDF form filler for swift, accurate paperwork.
Primary task
Form filling
Form filling
Pricing
Paid · from $14/mo
Freemium · Free + from $19.99/mo
Pricing details
from $14/mo
Free + from $19.99/mo
Billing cycle
Monthly
Monthly
API access
Not documented
Not documented
Platforms
Web
Web
Integrations
Not documented
Chrome
Source rating
No rating recorded
5.0 / 5 · 7 ratings
Catalog views
3.2k
2.5k
Estimated monthly traffic
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Catalog imported
30 Aug 2026
30 Aug 2026
Listed strengths
- Single click form filling
- Reduces form filling errors
- Versatile form support
- Available as browser extension
- Data protected with encryption
- Automatic data population
- Swift document completion
- Elimination of human errors
- Suitable for various sectors
- Handles complex documents
Listed limitations
- Only a browser extension
- Limited capabilities for free
- Works on 90% forms
- Error handling not specified
- Doesn't support all browsers
- Only works with PDFs
- No mention of API
- No offline functionality
- Focused on form filling only
- No document creation capabilities