If you have located a Snaptube IPA file (such as a 2021 archived version), you cannot simply click "install." You must use a side-loading tool.
Official is primarily an Android-only application, and no official .ipa file exists for iOS. While you may find mentions of "Snaptube for iOS" from 2021 or later, these are typically different apps using the name or unofficial workarounds. The Reality of Snaptube on iOS snaptube ios ipa 2021
The search for an official "Snaptube iOS IPA" from 2021 reveals that a native, official version of the popular Android downloader did not exist for iOS during that period . While recent "Snaptube" applications have appeared on the If you have located a Snaptube IPA file