PDFOptim vs Smallpdf
| PDFOptim | Smallpdf | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | Yes | No |
| Paid from | $0.58/mo | $10/mo |
| Open source | No | No |
| Platforms | iOS, macOS, Windows | Android, iOS, Web, Windows |
| Free plan | Yes | Yes |
| Batch compression | Yes | — |
| Offline desktop app | Yes | — |
| Supported platforms | macOS, iOS, Windows | web, windows, ios, android, chrome_extension |
Both are listed in Best PDF Compression Software, Best PDF Merger Software. On Everything Xiaomi, Smallpdf scores higher on our published basis.