Top Tip to save battery for those using Gmail on the iPhone
Perhaps something a little niche, but one thing that has always bugged me about the iPhone is that, even though all my email is in Google/Gmail, and even though I'm using the Gmail app for iOS to get the full Google experience, every time I hit an email link in a web page, Apple's Mail client (which I don't use at all) got launched.
I put up with it until this week, but after seeing that 'Mail' was listed under the iPhone's Settings/Battery as having used 10% of my battery power in the last 24 hours, I reckoned enough was enough. Time to knock Mail around a little…
With that in mind, here are my two recommendations:
1. Stop Mail from grabbing email at all and thus duplicating what the Gmail app is doing
Now, one has to be careful here, as 'Mail' in the context of a computer system of any kind in 2025 is what also brings along what is probably your main contact store and your main calendar. So in the case of an iPhone, we want Gmail to be accessed by iOS, but only for its contacts, calendar, and notes.
Head into Settings/Apps/Mail/Mail accounts/Gmail and deselect Mail syncing. This isn't needed, since the dedicated Gmail app will 'do' email and so much better. But leave the other toggles set!
By not having Mail needlessly syncing email in the background, I clawed back all of the 10% of battery that I was losing every day! (Contacts and Calendar ‘push’ only happens when a change is made to either, so at most a few times a day and with trivial compute power needed. )
2. Make Gmail iOS's default email app
I believe this was a recent addition to iOS - you'll find it under Settings/Apps/Default apps - in my case, set 'Email' to 'Gmail'.
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