[The Best Apps You've Never Heard of] GalaxyA325G:
Yes. But I've been using Nova free launchers since the dawn of time on Motorola, LG, and other phones - simply because Nova did what nobody else could do - which was allow me to place any icon on any grid or no grid at all.

But now that Nova went over to the dark side - it's time for a new "best launcher" that works for more than just one brand of phones.

With batteries being five amps and more nowadays, I don't have any problem going days without a charge, but it's interesting you say that you found that one launcher uses more battery than another.

I've never tested how much battery power two different launchers use. But I've done a lot of battery power testing over the years.

The fact is that you can only use one launcher at a time - so it would be hard to test two of them side by side given only one can work at any given time frame on any one phone.

Sure you can test two launchers with two exact same phones side by side, but did you really run a test that detailed to conclude what you did?

Given that practical problem set, how could I tell if one launcher used more battery than another?

Besides putting icons on any grid (or no grid at all), what I next like best about Nova is I set up EVERY phone in the house, for years, with the same well-managed set of apps and icons.

Motorola

LG

Nexus

Samsung

They ALL have the same homescreen.

For years and years and years.

Note that what you do on a computer never changes so the organization of the homescreen never changes.

Does the Samsung OneUI launcher save a backup file to be used on any brand of phone?

Nova launcher easily saves a backup file which is imported into the new phone. It's TRIVIAL to re-install all the apps in the EXACT same place from the old phone to the new phone, even when you move from an LG phone to a Samsung phone.

There's no way any Samsung launcher could possibly do that, right?

My only experience with One UI is that I originally saw it when I got a handful of Samsung Galaxy A32-5G phones from T-Mobile for free.

I didn't like it at all but maybe it does the two most important things that Nova free does?

1. Put any icon on any grid (or no grid at all), and,

2. Save a backup file of the homescreen to load onto any other device

Note that this backup file includes all installed apps in the location that they are installed in - which - for me - is important since EVERY app icon is placed in an EXACT location for a reason.

There's a third thing I love about Nova free launcher but I don't know if it's part of the launcher or part of Android 12, which is:

3. Place a widget INSIDE any folder on the homescreen

Is THAT last feature of being able to resize a widget and then place it INSIDE a folder on the homescreen part of Android 12 or Nova launcher? (If it's part of Nova, then can One UI do that too?)

I have nothing against One UI because my only experience with it was that it was the first launcher I saw when I received my free Samsung phones from T-Mobile and the last Samsung I had was about ten years or so ago (the S3) but what I asked on the Samsung groups what apps from Samsung were worth getting just about a month ago.

Is there any app in the Samsung Galaxy Store worth the login requirements?​

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Note the screenshots show you can resize widgets and then place those resized widgets INSIDE folders on the homescreen.