Not sure how widespread it is, but TapBots and 1Password both released separate apps for their major version updates. The 1Password subscription carried across

Not sure how widespread it is, but TapBots and 1Password both released separate apps for their major version updates. The 1Password subscription carried across to the new app, the TapBots one was a new purchase for each app, so there's 2 ways that model has been working on iOS.