I've found 'one sec' [0] to be one of the most valuable apps on my phone. Its concept is refreshingly simple – it uses an iOS Shortcut to introduce a customizable delay whenever you attempt to open a chosen app. In my case, I didn't even have to delete or hide the app I wanted to quit. Over time, my brain associated the extra seconds with a tad bit of boredom, naturally curbing the impulse to open it frequently and after a couple of months, I just completely forgot this app existed.

Surprisingly, 'one sec' is free, even though I remember paying for it around ~4 years ago, at some point the developer shifted to a subscription-based model, though it is entirely optional. There might be similar apps on the market too, or you can even try crafting your own iOS Shortcut. Overall, I highly recommend giving this a shot before diving in and uninstalling apps outright.

[0]: https://one-sec.app