Connect has the ability to block instances.
It’s the best app that I have tried so far to replace Relay for reddit.
90% of that page is revenue generation, they’d be happy to increase that number! You only need a few pixels to see what you actually want to do.
Those things are great because they also act as USB condoms meaning that no data lines are connected when you plug into a public USB port. Quite a benefit when out and about.
You do lose out on fast charging though.