Memento Mori for Your Phone: Why Watching Time Pass Can Be Motivating
Memento mori, “remember that you will die”, is an old practice of keeping a reminder of mortality somewhere you will see it. Putting a live age counter on your phone is a modern version of the same idea, and it works for the same reason: the reminder interrupts autopilot at the moment you are most likely to be on it.
This article is about why that can be motivating, why it sometimes is not, and how to set one up so it helps rather than nags.
The old version
The practice has a long history and appears in several traditions. Roman Stoics wrote about it explicitly. Seneca’s letters return again and again to the point that we treat time as if it were abundant when it is the one thing we cannot recover. Marcus Aurelius told himself, in his private notebook, to act as if each action might be his last. Medieval and Renaissance Europe produced skulls on desks, hourglasses in paintings, and clocks with mottos about the passing hour.
The common thread is not morbidity. It is attention. The reminder exists to bring you back to the present moment and ask whether what you are doing is what you would choose to be doing.
Why a phone is the right place for it
Your phone is where autopilot lives. Most people unlock theirs many dozens of times a day, and a large share of those unlocks have no purpose beyond the unlock itself: a check, a scroll, a reflex.
The home screen is the one surface every one of those unlocks passes through. A reminder there is seen more often than any note on a mirror or object on a desk, and it is seen precisely at the moment of habit.
A moving number is a particularly effective form of the reminder because it is not static. A skull on a desk becomes furniture within a week. A number that reads 34.2071 today and 34.2098 tomorrow, and whose last digits visibly flow if you set the precision high, keeps demonstrating its point instead of just stating it.
What people report
Anecdotally, people who keep an age counter on their home screen tend to describe one of three effects. We are not going to dress these up as research findings; they are patterns from the way people talk about it.
The pause. Unlocking the phone, seeing the number, and closing it again without opening whatever app you were about to open. The counter functions as a small friction step, like a lock on a cabinet.
The reframe. Seeing “36.5” instead of “36” changes how the year feels. Half of it is gone. That is not information you did not have, but it is information you were not looking at.
The calm. This one surprises people. At high precision the number moves too fast to read, and after a while you stop trying. It becomes a kind of visual white noise, a reminder that time is passing that you do not have to do anything about. Several people describe it as more soothing than a clock.
When it does not work
It would be dishonest to claim this suits everyone.
If you are already anxious about time, a counter can feed that rather than settle it. If that is you, either use a very low precision, so the number barely moves, or skip the idea entirely. There is no virtue in a reminder that makes you feel worse.
It also fades. Any reminder becomes background after long enough, and an age counter is no exception. People who get lasting value from it tend to change something periodically: the face, the position, the precision. A different look re-triggers the noticing.
And it is not a productivity system. It does not tell you what to do with the time. It only points out that the time is going. Whether that leads anywhere useful depends on what you already care about.
Using one well
A few practical suggestions, from people who have kept one for a while:
- Start at moderate precision. Four to six decimals gives a number that visibly changes each time you look without being a blur. Go higher later if you like the flow.
- Put it where you will see it, not where it shouts. A small counter in a quiet corner of a photo you like is seen just as often as a huge one across the middle, and it wears better.
- Pick a face that suits the mood you want. A nixie tube or an editorial rule reads as contemplative. A seven-segment or CRT reads as a readout. Both are fine; choose deliberately.
- Pair it, if you want, with a low-precision widget showing the same number in a calmer form. The wallpaper flows; the widget just states.
- Revisit it every few months. Change the face or the photo. The novelty is part of the mechanism.
The tool for it
TimeBorn was built for this use, with the flexibility above in mind: twenty-four faces spanning quiet editorial styles to mechanical readouts, precision from 2 to 10 decimals on the wallpaper, and free placement anywhere on your photo. It keeps nothing but your birth date, on your device, and has no network permission, so the only thing it is watching is the clock. See it on the home page.