Is there a way to backup the ".ipa" file on ios?

Posted 23rd Nov 2020
I want to update few apps on my ipad and iPhone but want to create copy of the app (ipa file) so if dont like it i can downgrade. I dont care about app data just the app file itself. I know latest itunes doesnt let you but it doesnt seem to work with older ones either ( i still have older itunes running on mac)

There is that iMazing app but i dont really trust it. Seems off for some reason
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