Best sleep tracking apps, compared honestly
Six trackers, each with the one thing it is genuinely best at — and the catch that usually goes unmentioned.
Sleep Cycle is the strongest all-rounder. SleepTrace is the one that records and labels your snoring on its free tier. SnoreLab is built for actively reducing snoring. Sleep as Android is the pick on Android. Pillow suits people who already wear an Apple Watch. Oura gives body data no phone app can. Which is “best” depends entirely on whether you want to hear your night, measure your body, or fix your snoring.
The picks
What each one is best at
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Best all-rounderiOS · Android
Sleep Cycle
The most established phone-based tracker, with sleep stages, a well-regarded smart alarm, a large sleep-aid library and a 'Who's Snoring?' feature that separates two people in one bed.
The catch: Snore and sound detection are Premium only ($9.99/month or $29.99/year).
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Best free snoring detectioniOS
SleepTrace
Records and labels every snoring episode with a decibel reading and a playable clip on the free tier, and reads sleep stages from the same audio every 30 seconds. Everything is analysed on the device, so it works offline.
The catch: iPhone only, launched July 2026, and it cannot tell two snorers apart.
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Best for actively reducing snoringiOS · Android
SnoreLab
Built entirely around the snoring problem: a Snore Score, a remedy log so you can see what actually helped, and SnoreGym airway exercises.
The catch: Does not derive sleep stages on its own; the free version is limited after the first few sessions and carries ads.
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Best on AndroidAndroid
Sleep as Android
Uses sonar so the phone can sit on the nightstand, with a smart alarm, sleep-talk recording, snoring detection and broad wearable support (Wear OS, Fitbit, Garmin).
The catch: Android only — there is no iPhone version.
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Best if you already wear an Apple WatchiOS
Pillow
Leans on the watch's accelerometer and heart-rate sensor for stage detection and presents clear colour-coded graphs, with audio events for snoring and sleep talking.
The catch: The free tier shows last night only; trends and audio review need Premium ($39.99/year), and it is at its best with a watch.
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Best body data, if you will wear somethingHardware · iOS · Android
Oura Ring
A ring with PPG, temperature and motion sensors giving continuous heart rate, HRV, blood oxygen and skin temperature — data no microphone can produce.
The catch: Hardware purchase plus an ongoing subscription, and it hears nothing: no snoring, no sleep talking, no room noise.
A note on bias. SleepTrace is our app, so read this with that in mind. We have given ourselves exactly one category — free snoring detection — because that is the one we can actually defend. For an all-rounder, on Android, with a watch, or for body metrics, the honest answer is one of the others. Feature and pricing details were checked on 22 August 2026 against each product’s own site and App Store listing; both change often, so verify anything decision-critical at the source.
How to choose
Start with the question, not the app
“Do I snore, and how badly?” You need a microphone. Any of the phone apps here will record it; the difference is whether that costs money and whether the snoring is placed inside your sleep stages.
“How well did I actually sleep?” Sleep stages are the answer, and every app here estimates them somehow — from audio, from motion, or from a wearable's sensors. None of them matches a sleep lab.
“How is my body recovering?” That means heart rate, HRV and blood oxygen, which need a sensor on your skin. No phone app can do it. Buy a ring or a watch.
“How do I snore less?” That is a different job from measuring: you want a remedy log and exercises, which is SnoreLab's territory.
Common questions
Choosing a sleep app, answered
For most people wanting one app that does everything reasonably well, Sleep Cycle is the strongest all-rounder: sleep stages, a good smart alarm, a large sleep-aid library, and it runs on both iOS and Android. Its limitation is that snore and sound detection sit behind Premium.
SleepTrace records and labels snoring on its free tier, with a decibel reading and a playable clip per episode, plus sleep stages and a smart alarm. Sleep Cycle keeps snore detection behind Premium, and SnoreLab's free version is limited after the first few sessions and shows ads. If hearing your own snoring without paying is the goal, that is the practical difference.
Sleep as Android. It uses sonar so the phone can stay on the nightstand, includes a smart alarm, sleep-talk recording and snoring detection, and supports Wear OS, Fitbit and Garmin. SleepTrace is iPhone-only, so it is not an option on Android.
No. Phone-based apps track sleep stages and night sounds with nothing on your body. What they cannot do is measure heart rate, HRV or blood oxygen — those need a sensor touching you. If recovery metrics matter to you, a ring or watch is the right purchase; if hearing your night matters, a phone app is.
All consumer trackers produce estimates rather than clinical measurements. A 2026 study in Frontiers in Neuroscience reported 77.1% accuracy for a cardiorespiratory wearable staging sleep at home against the clinical reference standard. That is useful for spotting patterns over weeks; it is not a diagnostic instrument, phone or wearable alike.
All product names are trademarks of their respective owners and are not affiliated with SleepTrace. SleepTrace is a wellness app and does not diagnose any condition.