Reminders tied to a place or moment instead of a clock
A clock-based reminder assumes you'll be in the right place when it fires, which often isn't true for errands or anything tied to a location. A context reminder attaches to a place, a phone location trigger, or a routine moment like leaving the house, so it arrives when you can actually act, not at a guessed time.
A location reminder is an alert triggered by arriving at or leaving a place, rather than by a fixed clock time.
Some tasks don't care what time it is
"Buy stamps" doesn't have a natural time attached to it. It has a place: the post office, or really any store that sells them. A reminder that fires at 3 p.m. on Tuesday is guessing that you'll be near a place that sells stamps at 3 p.m. on Tuesday, which is often wrong. The task was never really about the clock. It was about being in the right location, and a clock-based reminder is a clumsy stand-in for that.
This mismatch, tasks that are really about place fitted awkwardly into time-based tools, explains a lot of errands that get reminded about repeatedly and still don't happen, because the reminder keeps firing at times you're nowhere near where the task can be done.
What a location trigger actually solves
A location-based reminder flips the logic: instead of guessing when you'll be near the right place, it waits until you actually are, then fires. Apple's built-in Reminders app has supported this for a long time, letting you attach a reminder to a location and have it go off when you arrive at or leave that spot. It's worth checking your current Settings and the Reminders app itself for exactly how this works on your phone, since Apple has adjusted the details across iOS versions, but the general capability, a reminder tied to a place rather than a time, has been part of iPhone for years.
A worked example: the errand that never gets done at home
Say returning a package is on your list. A reminder at 10 a.m. Saturday assumes you'll be heading somewhere with a return drop-off point at 10 a.m. Saturday, and if your Saturday actually goes a different direction, the reminder just becomes another thing you dismiss.
A location-based version instead fires the moment you're near a shipping store, whenever that happens to be, whether it's Tuesday afternoon on your way to lunch or Saturday morning after all. The task attaches itself to the right context instead of a guessed time, which matters a lot for errands you'd otherwise batch together anyway; see batching errands so they happen for more on grouping this kind of task.
Context beyond GPS
Not every context is a physical place. "Right before I leave the house" is a context too, and it doesn't need GPS, it needs a routine you build on purpose: a checklist by the door, or a habit of checking your task list during the two minutes you're putting on shoes. This is a different kind of context reminder, one you construct through repetition rather than technology, and it's often more reliable for something like "grab the library book" than any app trigger, because it happens at a moment you're already stopping anyway. A leaving-the-house routine built this way is covered in more depth in a leaving the house checklist that ends the keys hunt.
Where this approach has limits
Location triggers depend on your phone's GPS and location settings working correctly, and they're not perfectly reliable: battery settings, how precisely a location is defined, or simply passing through an area at a different time of day than the trigger expects can all affect whether the alert fires when you think it should. Treat a location reminder as a helpful layer on top of a task list, not the only thing standing between you and forgetting something. For anything with a real consequence if missed, pairing it with a scheduled check on your actual task list is worth the redundancy.
What Drifta does and doesn't do here
Drifta's reminders run on time windows, an earliest start time, a deadline, or both, not on your phone's location. If a task is really about a place rather than a time, Apple's own location-based reminders in the Reminders app, or a manual routine like a leaving-the-house checklist, are the better tool for that specific job. Drifta is still useful for holding the task on your list and making sure it doesn't get buried, even if the exact moment to act is something location, not the clock, will tell you.
Common questions
How do I set a reminder that fires when I arrive somewhere on iPhone?
Apple's built-in Reminders app supports location-based alerts, where you attach a reminder to a location and it fires when you arrive or leave. Check Settings and the Reminders app itself for the current options, since exact steps can shift between iOS versions.
What's the difference between a location reminder and a context reminder?
A location reminder uses your phone's GPS to trigger at a physical place. A context reminder is broader: it could be tied to a routine moment, like right before you leave the house, rather than a specific coordinate, and can be built manually with checklists or habits rather than GPS.
Why do location reminders sometimes not fire?
GPS-based triggers can be affected by phone settings, battery optimization, or how precisely a location is defined, so they're not always perfectly reliable. Treating them as a helpful layer rather than the only safeguard for something important is the safer approach.
This article shares practical organizing ideas. It is not medical advice. For diagnosis or treatment questions, talk with a qualified clinician.