Many (most?) apps don't do it, but the useful feature for me that's not possible with a web page is reliable, unobtrusive, background updates.
Things like weather (with or without current coarse location), sports scores, headline news benefit from up to the minute data fetches, but older data is still useful.
For communication apps, often people would like notifications on inbound messages, so that can fit with web push apis to get data; but if you don't want notifications, you can't consistently make messages available to read offline.
Things like weather (with or without current coarse location), sports scores, headline news benefit from up to the minute data fetches, but older data is still useful.
For communication apps, often people would like notifications on inbound messages, so that can fit with web push apis to get data; but if you don't want notifications, you can't consistently make messages available to read offline.