Honest comparison
Calm alternative, or the other half of the night?
Calm and Tock get filed together because both have the word sleep on the store page. They solve opposite halves of the night, and swapping one for the other usually disappoints.
In short
Tock is not a Calm replacement and does not try to be. Calm has a narrated library with named voices and licensed music that a small team cannot match. Tock wakes you, tracks the night and tells you what happened. If falling asleep is your problem, Calm is the better buy.
- fall-asleep sounds
- 63fall-asleep soundsnone of them narrated
- sounds layered at once
- 4sounds layered at oncesave the result as a mix
- sounds with distance control
- 42sounds with distance controlFar, Near or Close
What Calm does better
A meditation and relaxation app with a very large library of Sleep Stories, music and narrated wind-downs.
- The size and production quality of its narrated library is in a class of its own
- Named narrators and licensed music that a small team cannot match
- It covers daytime anxiety and focus as well as sleep
Runs on iPhone, Android. Tock is iPhone only, on iOS 26 and later.
Calm is a library, and libraries are expensive to build
Sleep Stories with named narrators, licensed music, narrated wind-downs, plus daytime work on anxiety and focus. The size and production quality of that catalogue is in a class of its own and nothing in Tock is close.
If you fall asleep to a voice telling you a story, stop reading. Keep Calm. Tock has no narration at all.
Tock's sounds are made rather than recorded
63 fall-asleep sounds, four layerable at a time and saveable as a mix. 22 are bundled recordings and the rest are generated on device sample by sample, so nothing loops, nothing downloads, and no two nights sound the same. 42 of them have a Far, Near or Close distance control.
The design goal is different. Calm's audio wants your attention for a while. Tock's audio is trying to disappear.
Only one of them is there in the morning
Calm does not wake you, track your night, or tell you anything about it afterwards. Tock is built on AlarmKit, rings on silent and through a Focus, moves up to 30 minutes earlier into a lighter moment, and asks for a wake-up mission before it stops.
Then it gives you the night back: a score, estimated stages, playable clips of snoring or sleep talking, breathing and room readings, and a morning check-in.
Tock also ships a short wind-down of six reorderable steps, but it is silent by default and takes a few minutes. It is not a guided session and it is not trying to be one.
| What we compared | Tock | Calm |
|---|---|---|
| Narrated sleep content | None at all | A very large library (stronger here) |
| Daytime use | Nothing for the daytime | Anxiety and focus too (stronger here) |
| Sound while you drift off | 63 sounds, four layered (about the same) | Stories, music, narration (about the same) |
| Downloads | Generated on device, nothing to fetch (about the same) | A streamed catalogue (about the same) |
| Waking you up | AlarmKit alarm with missions (stronger here) | No alarm |
| The morning after | Score, clips, estimated stages (stronger here) | Nothing about your night |
Which one you should actually pick
Pick Tock if
Pick Tock if the hard part is the alarm and the morning, and you want wordless sound rather than a story.
Pick Calm if
Pick Calm if the hard part is the first thirty minutes in bed, if you want a voice to follow, or if you also want something for the daytime. Tock has no narrated library and will not grow one.
Run both if
Honestly, both is the normal answer here. Calm gets you down, Tock brings you back up, and they do not fight over the same job.
Questions people ask
Can Tock replace my Calm subscription?
For most Calm users, no. If you use it purely as background noise to fall asleep to, Tock's 63 generated sounds may cover it. If you use Sleep Stories or the daytime content, nothing in Tock replaces that.
Does Tock have Sleep Stories or narration?
No. Every sound in Tock is wordless. That is a deliberate choice, not a gap we are planning to fill.
Do Tock's sounds keep playing all night?
They are generated on device sample by sample rather than looping a file, so they can run without the repeat becoming obvious. There is nothing to download first.
If Tock is not in the running
Plenty of people land here already choosing between two other apps. These go through those pairings without us in them.
Other comparisons
The same treatment, applied to the rest of the category.
- Tock vs Headspace SleepHeadspace Sleep is the better choice if you want a voice walking you through a wind-down inside a proper course structure. Tock is the choice if you want the night measured from the phone and an alarm that moves into a lighter moment. Neither one covers the other.
- Tock vs PzizzKeep Pzizz if you nap, or if your mind needs words to hold onto while you fall asleep. Tock generates its sound too, but it has no voiceover and nothing for naps. What Tock adds is the alarm, the tracking and the morning report Pzizz does not attempt.
- Tock vs Sleep CycleSwitch to Tock if you want the alarm itself to be different: a system alarm that rings on silent and through a Focus, moved up to 30 minutes earlier into a lighter moment, with a task before it stops. Stay with Sleep Cycle if you have years of history in it, or if someone in the house is on Android.
- Tock vs the iPhone Clock appIf you want an alarm and nothing else, keep the Clock app. Tock rings on the same Apple framework it does, so the reliability argument is a draw. Tock is only worth paying for if you want the night before the alarm to change when it goes off, and you want a morning report and a mission before it stops.
Elsewhere on the site
A different corner of the same problem.
- Tock for youTravellers with jet lagYou landed, you are on local time on paper, and your body is running four or eight hours behind. Wide awake at 3am, unusable at 3pm, and it lasts roughly a day per time zone.
- RoundupsThe 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.
- Wake timesWaking up at 8:30amBedtimes by sleep cycle for a 8:30am alarm.
- BedtimesGoing to bed at 10:30pmWhere to put the alarm after a 10:30pm lights-out.
- Sleep by ageHow much sleep school-age children needThe American Academy of Sleep Medicine recommends that children aged 6 to 12 years sleep 9 to 12 hours per 24 hours on a regular basis. By this age sleep has consolidated into the night, so the figure is effectively a nightly one and the bedtime has to be counted backwards from the school run.
- NapsThe 10 minute napA 10 minute nap lifts alertness without taking you into slow wave sleep, so you wake up clear rather than groggy. It is the safest nap to take close to work or driving, and it does nothing for memory consolidation, which needs considerably longer.
The alarm is the part we actually rebuilt
Tock rings on silent and through a Focus because it is a system alarm, moves earlier when it finds a lighter moment, and asks for one small task before it stops.