These forums are specific to the Waze mobile app. Post here if you experienced a problem while using the app, have a question about the app functionality or a feature such as navigation or search.
iOS does have a native "Low Power Mode" option for iOS 10+. You are however not alone in wanting this feature in Waze as well. A good place to go for this is the Waze Suggestion Box. Here you will find multiple suggestions for this and you can help by up-voting them
Re: Battery saving mode on iOS