Retain cycles, timers, big images, caching. These are a few reasons why your app might be using more memory than it should.
It might be a good time to audit your app and see how much memory it’s really using.
Lazy loading, implementing memory warning methods, using NSCache, autorelease pools. These are a few ways to deal with it.
Also, let’s say, just make a clean, focused software design. 🤷🏻♂️