There are a few different ways to stop apps on your Mac from downloading a bunch of data when you need the bandwidth for other tasks. The easiest one is to use the built-in low-data mode on your Mac.

When looking at the Wi-Fi network your iPhone is connected to, look to the right and click on the information icon. The toggle button for low data mode will be underneath the auto-join and ...

Tap on “Cellular Data Use” and then switch “Use Less Data” to the on position. In the Twitter app, head to settings by tapping your profile icon and then Settings and privacy.

The iPhone makes it easy to save data and battery power by turning on the Low Data and Low Power modes. Here's how to find and use them — and what happens when they're on.

The options you see alongside Low Data Mode are going to vary depending on your network. For example, you might see an option to allow more data on 5G, which means your iPhone will use a faster 5G ...

That's why in iOS 13, Apple has included a Low Data Mode for apps that use cellular and Wi-Fi connections. ... Tap the info button (an encircled 'i' icon) alongside the Wi-Fi network in question.