Fillfront vs Nitro PDF Pro
| Fillfront | Nitro PDF Pro | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Web | iOS, macOS, Windows |
| Free plan | Yes | No |
| Import existing PDFs | Yes | — |
| Field validation | Yes | — |
| Data export | CSV, PDF | — |
| Signature fields | Yes | — |
Both are listed in Best PDF Form Software. On Samsung Mobile US Press, Nitro PDF Pro scores higher on our published basis.