I’d suggest checking out SliceWin.
You can run Americano, Mexicano, brackets, round robins, and leagues over weeks or months.
It’s also flexible for player management: players don’t have to download the app, you can create them.
If they join later, they can claim their profile to keep their stats and history, follow the tournaments, report matches, add match pictures.
It handles real-life situations : uneven amount of players, sit-outs, late joiners, early-leaver, etc.
https://preview.redd.it/h96zop1yg93h1.png?width=1464&format=png&auto=webp&s=d449aa480f882c35fff70aca17201c65ed4fafd7
It's completely free and available on the stores :
Apple: [https://apps.apple.com/app/slicewin/id6739847140](https://apps.apple.com/app/slicewin/id6739847140)
Android: [https://play.google.com/store/apps/details?id=com.miroir.elobuddy](https://play.google.com/store/apps/details?id=com.miroir.elobuddy)
Let me know what you think, I founded it 2 years ago and keep improving it based on user feedbacks!
*Just downloaded it, looks promising! Will try it out at my next one and let you know*
Sure, feel free to DM if you have any question