I have a new iPhone 7 and reminders are not acting consistently. Sometimes when a reminder is marked as done it won't be removed from the notifications (remains on lock screen and badge remains on).
Also, as of this morning there are 2 reminders that were set to go off at 7am this morning and didn't, and there are no notifications listed for the reminders. The badges for those reminders do show, and the app does show that there are 2 pending reminders.
The proximity functionality has also seemed to have stopped working for reminders.
The phone is 3-week-old, and the removal of completed reminders from the lock screen was a problem on the old iPhone 6 as well.
Any suggestions for how to remedy this would be greatly appreciated. Alternatively suggestions for a reminder app that is more reliable are also welcome.