Please post here if you know ways to use user scripts on mobile smart phones.
Confirmed working setups
Android
-
Firefox finally supports Violentmonkey and Stylus (and Tampermonkey), now again!!
More details (Violentmonkey and Stylus)
More details (Tampermonkey)
-
Kiwi browser can install all extensions from the Chrome store, including Violentmonkey (Tampermonkey also OK) and Stylus
More details (Violentmonkey and Stylus)
Unfortunately, the developer abandoned Kiwi on 2025-04-08 and advised to use Edge Canary (untested), instead.
Additional cool stuff when editing MB:
- Link context menu (long touch): Copy link text
- Link context menu (long touch): Open in tab group
- Does not pause scripts in background tab
Additional cool stuff when debugging userscripts:
- Complete DevTools
iOS
Untested, I donât have an iPhone. Please someone interested and with an iPhone correct this:
- iOS 14.2+
- Web Browser for Geek â untested
- iOS 15.1+
- Macaque â untested
- quoid/userscripts â tested ok on 1 userscript by @sanojjonas
Windows Mobile 
None yet.
I think Microsoft completely abandoned their mobile OS.