Better way to handle notifications

Question

I am using latest android on my phone. One issue I face is that I have a lot of apps installed. Many of them generate notifications which I dont want to loose. If I leave notifications unattended for a day or two, a lot of notifications get stacked up (almost 100+). I dont want to turn off those notifications. I just want better way to handle those notifications:

• is there any way (or app) to archive notifications
• is there any way to group notification belonging to same app (so that I may decide to archive or delete all of them)
• is there any way (or app) which allows me to archive or delete all notifications at specific dates or dates older than the specified one
• For many months my phone has issue of restarting and with each restart the notifications get cleared. So I also want to know if there is any way (or app) that can periodically backup/archive notifications so even if my phones restarts I can always pull them up.

Answer 1

Multiple items of interest in this context:

• there is a built-in functionality to access your notification history, see How to get the notification history for details
• there are several apps to backup/archive notifications – e.g. Past Notifications (a notification history surviving even reboots) or Notibox
• there are apps to Filter/block notifications
• there are several more apps to control other aspects of notifications (same page as the last link goes to)

Still, I'm not sure there's a way to control aspects 2 and 3 of your list (group apps,¹ delete by date). I've not yet encountered any app for those, so chances are rather low – but one might have slipped through my net.

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^{1: Nevolution promises to "bundle notifications" – but it's not clear from its description if "bundles" cover multiple apps}