Side by side
uMark vs wmk
Both stand on photo watermarking software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan MacWindows
uMark provides batch watermarking with varied mark types, positioning, customization, and EXIF support. The free mode and computer-based license tiers let users choose according to their needs.
Visit uMark Free plan LinuxMacWindows
wmk offers batch watermarking, placement controls, and local processing for users comfortable with a command line. Its Python requirement and first-frame-only GIF handling are important limits to check.
Visit wmkThe facts
| uMark | wmk | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Mac, Windows | Linux, Mac, Windows |
| Lowest paid plan | uMark Photo Watermarker for Mac — Personal License (1 Computer): $29, paid once | Free or on request |
| Plans published | 6 | 1 |
| Maker | Not published | Not published |
| Website | uconomix.com | github.com |
| On photo watermarking software | #18 of 33 | #22 of 33 |
uMark: what it does well
- Processes hundreds of photos at once
- Supports text, image, shape, and QR marks
- Detailed watermark customization controls
- EXIF details can become watermark text
- Free mode available forever
What to know first
- Each license applies to one platform
- Personal license covers one computer
- Paid features start at $29, paid once
- Refunds deduct payment gateway fees
wmk: what it does well
- Batch processing supports folders and glob patterns.
- Opacity ranges from 0 to 100.
- Dry runs show planned outputs without writing files.
- The README describes offline processing.
What to know first
- Requires Python 3.10 or newer.
- GIF processing handles only the first frame.
- The primary interface is command-line based.