VidUp is free of charge and open source! Nevertheless I would be happy about a donation, if the program is a help for you. You don’t have any advantage or disadvantage if you donate or not! If you want to support this app and further development you can donate a voluntary amount if you want:
One time tip:
Patreon (U.S. platform)
Steady (German platform)
You can find the support links also in the app when you press the button „Donate“ in the tab „VidUp“. Thank you!