Side by side
Avidemux vs Diffract
Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Open source LinuxMacWeb+1
Visit Avidemux 
Free plan LinuxMacWindows
Diffract offers broad file comparison in a desktop app and CLI, with the free tier covering unlimited file and directory diffs. Pro is a one-time per-seat purchase for document comparison, Git tools and three-way merging; check its version ceiling and support terms before buying.
Visit DiffractThe facts
| Avidemux | Diffract | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Yes | Not published |
| Runs on | Linux, Mac, Web, Windows | Linux, Mac, Windows |
| Lowest paid plan | Free or on request | Pro: $34 per seat, paid once |
| Plans published | 2 | 2 |
| Maker | Not published | Not published |
| Website | avidemux.sourceforge.net | getdiffract.com |
| Best place | #1 on text-to-speech software | #5 on file comparison software |
Avidemux: what it does well
Diffract: what it does well
- Free tier allows commercial use
- Highlights syntax for more than 30 languages
- Free edition includes CLI and three diff algorithms
- Pro includes three-way merge and Git history tools
- Comparisons run locally, according to the maker
What to know first
- Pro costs $34, paid once per seat
- Pro license keys have a version ceiling
- Maker is not obligated to provide maintenance or technical support
- Redistribution of the free tier is not permitted