Android - Netlimiter

: Available on the Google Play Store, this app requires a VPN setup and allows you to set specific rate limits for Wi-Fi and cellular connections.

You may not even need a third-party app for basic network management. Android includes built-in features to manage app "appetites": YouTube·PhoneBuffhttps://www.youtube.com How To Set A Data Usage Limit On Android netlimiter android

Don't want to install third-party apps? Android has a built-in "Data Saver." : Available on the Google Play Store, this

While you cannot install NetLimiter itself, you can replicate its primary features—traffic monitoring, bandwidth limiting, and application blocking—using these methods: netlimiter android

NetGuard is the gold standard for non-rooted Android users who want traffic control. It works by creating a local VPN connection to filter traffic—no root required.