| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| Plans published | 1 | 2 |
| Spec score · PDF Software | 8.0 (#14) | 8.6 (#9) |
| Spec score · PDF editors | 7.6 (#71) | 9.0 (#11) |
| Annotations | It offers text comments, sticky notes, highlighting, shapes, and freehand annotations. | Markup tools support highlights, underlining, strike-through, notes, comments, stamps, shapes and text boxes. |
| Annotation tools | Yes | Yes |
| Free plan | Yes | Yes |
| Headquarters | Limassol, Cyprus | The company lists Singapore addresses including 91 Bencoolen Street, Sunshine Plaza, Singapore 189652. |
| Integrations | PDF Bob says users can store files on its servers or upload them to Dropbox and Google Drive. | An App Store reviewer reports cloud integration for accessing documents and collaborating across locations. |
| PDF conversion | Yes | Yes |
| Support | The site provides a contact form for contacting PDF Bob. | Independent directory listings identify email/help-desk support, FAQs, documentation and videos. |
| Supported platforms | web | web,Windows,macOS,iOS,Android |