| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | Yes |
| Plans published | 1 | 1 |
| Spec score · Screenshot Annotation Software | 8.6 (#6) | 8.3 (#21) |
| Capture | It can capture custom or previously selected areas, screens, and windows, with configurable delay. | It captures full screens, regions, and active windows, and supports annotation on the selection overlay before capture. |
| Distribution | The README lists Linux packages including RPM, DEB, APT, Snap, Flatpak, and AppImage, plus Windows and macOS downloads. | The site lists Ubuntu, Debian, Fedora, openSUSE, Arch, Nix, and AppImage installation options. |
| Export formats | PDF, PS | PNG, JPG, WebP |
| Free plan | Yes | Yes |
| License | The GitHub project lists Ksnip under the GPL-3.0 license. | Unisic is free software under GNU GPL v3, including commercial use, with distributed derivatives required to release source under GPL v3. |
| OCR | OCR is available through a separately installed plugin using Tesseract on Windows and Linux/Unix. | It can copy OCR text from a screen region, select words in the editor to copy, highlight, or redact, and decode QR codes. |
| Product | Ksnip is a Qt-based cross-platform screenshot tool with annotation features. | Unisic is an open-source screenshot tool and screen recorder for Linux, built for Wayland. |
| Redaction tools | Yes | Yes |
| Support | The project directs users to GitHub issues for bugs and feature requests and offers Discord and IRC for community discussion. | The maker directs users to report bugs and request features through GitHub Issues, including desktop, compositor, GPU, and logs for problem reports. |