uMark vs Watermarker
| uMark | Watermarker | |
|---|---|---|
| Platforms | macOS, Windows | Web |
| Free plan | Yes | Yes |
| Batch watermarking | Yes | Yes |
| Logo marks | Yes | Yes |
| Watermark presets | Yes | Yes |
| Supported platforms | Windows and macOS | Web browser |
| Signature marks | Yes |
Listed together in Best Photo Watermarking Software