Do I need to keep "cash back" apps installed on my phone in order for them to work?

I currently have a really shitty phone and I'm almost out of space. Do I need to keep apps like drop, pei, Dosh, and hooch on my phone in order for them to keep working, or can I delete them?

submitted by /u/truemyth11
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source https://www.reddit.com/r/beermoney/comments/cmct7j/do_i_need_to_keep_cash_back_apps_installed_on_my/