Calendar and Reminders on One iPhone Lock Screen

Why Apple keeps them in different apps

An event occupies time. It has a start, an end and usually a place, and once it exists you cannot do very much about it except attend. A task has none of that: it has a decision attached to it and, at most, a date by which the decision has to be made. They look similar written down and they behave completely differently, which is why merging them into one list has been tried repeatedly and keeps producing something worse than either.

The Lock Screen inherits that split. You can add a Calendar widget and a Reminders widget, and each gets its own small system-defined slot, which is genuinely useful for one next event and one actionable task. It stops being useful the moment you want the context around either of them, because there is nowhere for that context to go.

Build it with fewer sources than you think you need

The instinct is to include every calendar and every list, since they are all yours and they all seem important. In practice one or two calendars and a single reminder list produce a far better Lock Screen than the full set, because the screen is read in a second and every extra row costs the others space.

In Calendarly, choose a combined layout, select the sources, then look at it with your real events and tasks rather than the sample content. That preview is where the decision actually gets made: if the event titles are long, the schedule needs the larger half, and if your tasks carry dates or notes that matter, the reminders do. Nothing is being merged or rewritten, so the original items stay exactly as they are in Apple Calendar and Reminders.

1. 1
   Pick the calendars that change where you have to be

   Work and personal usually. Subscribed holiday and sports feeds almost never earn their space here.

2. 2
   Pick one reminder list

   Today, Work or Errands. An unfiltered inbox mixes next week’s admin with this morning’s decision.

3. 3
   Cap the visible items

   Four or five reminders is plenty. The Lock Screen is a plan, not a backlog viewer.

4. 4
   Add the morning refresh

   One run before your day starts. The guided automation takes about two minutes to add.

What happens when you finish something

Ticking a reminder in the Reminders app changes the source immediately, and the wallpaper carries on showing it, because the wallpaper is a picture taken earlier. It disappears at the next render, either on schedule or when you run the shortcut by hand.

For most people that lag is fine and occasionally even pleasant, since a completed item staying visible until the evening is a small record of the day. If it bothers you, the fix is to keep a Reminders widget as well: interactive widgets let you tick an item off from the Lock Screen and reflect it straight away. The widget handles the tap, the wallpaper handles the overview, and neither is trying to be the other.

The wallpaper does not know what you did. It shows the state at the moment it was generated. Run the shortcut manually when you want the screen to catch up now.

Keeping both halves readable

• Write reminders as verbs

  “Send slides” is a decision you can act on in ten seconds. “Slides for Friday meeting” is a label, and your eye has to translate it every time.

• Do not duplicate the schedule as tasks

  If something is already an event with a time, it does not need a reminder as well. Duplicates are the fastest way to fill a combined layout with nothing.

• Let finished work leave

  Complete or archive things instead of carrying them as history. A list that only grows stops being read.

• Match the refresh to your rhythm

  One morning run suits a stable day. Add an afternoon run only if both the meetings and the tasks genuinely churn.