Roundup
The best alarm apps for shift workers
Rotating shifts break the one assumption nearly every sleep app is built on, which is that you go to bed at roughly the same time each night. No app fixes a night shift. Some of them stop making it worse.
In short
For shift workers the most reliable alarm is still the iPhone Clock app, because it makes no assumptions about your schedule and lets you keep a saved alarm for every shift pattern. Tock is the better pick if you also sleep in the daytime and need something that will not let you turn it off half asleep at 4pm.
What decided the order
- Whether it copes with a wake time that moves by eight hours from one week to the next.
- Whether it treats a daytime sleep as a real night or as a nap it can ignore.
- How quickly you can switch between saved alarms for different shifts, half asleep, in the dark.
- Whether the alarm survives silent mode and a Focus, since a shift worker is often sleeping while the world is awake.
- Whether it nags you about a schedule it thinks you should be keeping.
The iPhone Clock app
Best for the alarm you cannot afford to miss
It has no opinion about your schedule, which is exactly what you want when your schedule changes every week. Save an alarm for each shift, toggle the one you need, and rely on the fact that the system rings it whether or not any app is running. Nothing else here is more dependable, and dependability is the entire job on the morning of a handover.
The catchIt will not ask you to prove you are awake, and it knows nothing about the fact that you slept four hours in daylight.
More on The iPhone Clock appTock
Best for getting up when your body thinks it is bedtime
Waking at 4pm for a night shift is the hardest version of getting up, and it is the case a task alarm is built for: Tock keeps ringing until you finish a mission, and it rings on the AlarmKit alert, so a Focus or a silent switch you set at 8am does not quietly cancel your afternoon. It tracks daytime sleep as a real stretch of sleep, and a night broken in two still counts as one night rather than two failures.
The catchThe 30-minute wake window is far less useful on a rotating roster, because it needs a settled pattern to have anything to work with, and there is no free tier: a 3-day trial, then from $39.99 a year.
More on TockRise
Best for managing the debt across a rotation
Sleep debt is the right unit for shift work. You are not going to have good nights, you are going to have a deficit that builds across a block and gets paid back on your days off, and an app organised around that is more honest than one scoring individual nights out of a hundred.
The catchIt is not your alarm, so it runs alongside one, and it is another subscription on top of whatever wakes you.
More on RiseBlackout blinds and a sunrise lamp
Best fix that is not an app at all
Sleeping in daylight is a light problem before it is a software problem. Proper blackout, an eye mask, and a lamp that comes up gradually before your alarm will change more about a day shift block than any app on this page, and none of it needs charging.
The catchIt costs real money up front, it only helps at home, and it does nothing for the nights you sleep somewhere else.
Pzizz
Best for the pre-shift nap
The nap module is the best-designed thing of its kind and shift work is full of naps: the two hours before a night shift, the twenty minutes in a break room. The audio is assembled fresh each time from music, voiceover and effects, and it is shaped around a session that ends rather than one that runs all night.
The catchIt is audio only. It will not wake you reliably for the shift itself, so you still need a real alarm underneath it.
More on Pzizz
Every sleep app assumes a life you do not have
Scores, streaks, bedtime reminders and weekly averages all quietly assume you sleep at night, on a repeating pattern, and that a bad week is unusual. On a four-on four-off rotation, none of that holds, and an app built on those assumptions spends its time telling you that you are failing at something that is not your choice.
What survives contact with a rotating roster is short: an alarm that rings no matter what, saved alarms you can switch between quickly, and a record that treats daytime sleep as sleep. Everything else is decoration, and some of it is actively annoying at 3am.
We wrote the longer version of this for nights at /for/night-shift-workers, and for three-shift rotations at /for/shift-rotating-nurses.
What no app is going to fix
Being awake when your body expects to be asleep is not a settings problem. A rotating roster is hard on people, and there is no configuration of any app on this page that makes a 3am shift feel like a 9am one.
What an app can do is narrower and still worth having. It can make sure you get up. It can show you how much you actually slept in a block rather than how much you think you did. It can keep the room dark and quiet on the days you get to choose. Judge these apps on that, and be suspicious of any of them implying more.
Set it up once so the switch is quick
The failure mode on a rotation is not usually the alarm, it is setting the wrong one at the end of a long shift. Ten minutes of setup removes most of that risk.
- Create and name one saved alarm per shift pattern: earlies, lates, nights. Never edit the time, just switch which one is on.
- Set the alarm for the next shift before you sleep, not after you wake up. The version of you at the end of a night shift should not be making decisions.
- Keep a second alarm on a different device for the first shift of any new block. Belt and braces for the day the pattern changes.
- Turn off anything that reminds you about bedtime. On a rotation those reminders are noise, and noise gets you into the habit of dismissing notifications from the app that also wakes you.
Questions people ask
What is the best alarm app for night shift workers?
Start with the Clock app, because it makes no assumptions and never fails, and keep a saved alarm for each shift pattern. Add Tock if the hard part is getting up at 4pm when your body wants to keep sleeping, since it will not stop ringing until you finish a task and it treats daytime sleep as real sleep.
Do smart alarms work for shift workers?
Less well than they do for everyone else. A wake window needs a reasonably settled pattern before it has much to go on, and a rotating roster does not give it one. The wake-up task and the reliability of the ring matter far more here than the window does.
Can a sleep app track daytime sleep?
The better ones can. Tock treats a daytime stretch as a real sleep session rather than a nap to discard, and a night split into two pieces still counts as one night. Apps that assume a fixed nightly window tend to under-record shift sleep, which makes their numbers useless to you.
How do I sleep during the day between shifts?
The room matters more than the app. Proper blackout, a cool room, a steady sound to cover daytime noise, and a phone that will not light up. Then set the alarm before you go to sleep rather than after you wake, because the end of a shift is the worst time to be making decisions.
Other roundups
Same treatment, different question.
- The best alarm apps for heavy sleepersTock is the best alarm app for heavy sleepers: it rings on AlarmKit, so it gets through silent mode and a Focus, and it keeps ringing until you finish a small task. Alarmy is the real rival and the better pick if you want the widest set of dismissal tasks or a free tier to test the idea on.
- The best alarm clock apps for iPhoneFor most iPhone owners the best alarm clock app is the one already installed. The Clock app is free, reliable and enough. Tock is the upgrade worth paying for once the Clock app stops working, which usually means you dismiss it without remembering or you wake up feeling wrecked every morning.
- The best free alarm apps for iPhoneThe best free alarm app for iPhone is the Clock app that came with it. It is free forever, it rings through silent mode and a Focus, and it has never failed. Alarmy is the best free option if you need an alarm that is hard to turn off. Tock is not free and is listed last for that reason.
- The best sleep trackers that don't need a watchTock is the best sleep tracker without a watch. Leave the phone on the nightstand and it uses the microphone and accelerometer all night, classifies snores, coughs and sleep talking on device, and hands you a report plus the audio in the morning. SleepScore is the strongest alternative if you would rather nothing listened to the room.
Elsewhere on the site
A different corner of the same problem.
- Wake tonesGentle alarm soundsA gentle alarm works when it catches you at a light moment and fails when it lands in the heaviest part of your night, which is a timing problem rather than a volume one. Tock watches movement and sound across the 30 minutes before your alarm and rings early at a lighter moment if it finds one, with your set time as the fallback.
- Head to headSleepScore vs SnoreLabIf snoring is the complaint and you want to find out whether the mouthguard made a difference, SnoreLab. If you want the whole night measured without wearing anything, SleepScore.
- FeaturesSleep scoreThe sleep score is a single number for a night, sitting at the top of that night detail view. Underneath it are the parts that produced it, and across nights the insights cover 21 metrics in 7 groups plus long-run measures like sleep regularity and sleep debt.
- Sleep soundsSleeper trainA sleeper train bed is a low broadband rumble with a slow, regular rail rhythm over it and the closed-in quality of a cabin, and that combination masks well while giving your attention something gentle to rest on. The rhythm is also the catch: a regular pattern is something you can start tracking again if you surface at 3am.
- Tock for youNight shift workersYou finish at 7am and try to sleep while the sun is up, the neighbours are drilling and your phone is on silent so nothing wakes you. Then you have to get up on time anyway, in the middle of what your body still thinks is the afternoon.
- AlternativesTock vs AlarmyIf all you need is a harder alarm, Alarmy has more dismissal tasks than Tock and a free tier, so it is the sensible pick. Tock is worth paying for when you want the night tracked and the ring moved earlier into light sleep, with a mission still standing between you and the off button.
Every pick on this page has a catch listed, including ours
Tock is iPhone only, has no free tier and no Apple Watch app. What it does have is an alarm that rings on silent and waits for a lighter moment.