I don't know what I am doing wrong, but it seems like I've had a ton of apps just crash/freeze on me as of late (looking at you Google) and the only way to fix

I don't know what I am doing wrong, but it seems like I've had a ton of apps just crash/freeze on me as of late (looking at you Google) and the only way to fix it is to force quit apps. If an app does crash/freeze in the background how can I be certain its not draining my battery after all?