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Fitness · head to head

Sleep Cycle vs Sweat

Sleep Cycle logo

Sleep Cycle

Fitness

Phone based sleep tracking app that uses the microphone or accelerometer to detect sleep phases and wake you in a light sleep window

From
Free
Rated
-
Full reviewWebsite
Sweat logo

Sweat

Fitness

Fitness app for women

From
$19.99/month
Rated
-
Full reviewWebsite

The short version

  • Only Sleep Cycle has a free tier, so it costs nothing to try first.
  • Each has a real cost: Sleep Cycle sleep stage detection is inferred from sound and motion rather than measured with dedicated physiological sensors, so accuracy is lower than a ring or watch based tracker like Oura.; Sweat pricing details are not published on the website; only promotional discount mentioned
  • They diverge on capability: Sleep Cycle covers Sound and motion sleep analysis, Sweat covers Trainer-led programs.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Sleep Cycle and Sweat actually diverge.

Attributes where Sleep Cycle and Sweat differ
AttributeSleep CycleSweat
Starting priceFree$19.99/month
Pricing modelFree with a Premium subscriptionsubscription
Free tierYesNo
PlatformsiOS, AndroidIos, Android, Web
FoundedUnknown2015

Identical on both: user rating (Not yet rated), category (Fitness).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Sleep Cycle

  • Sound and motion sleep analysis
  • Smart alarm
  • Sleep quality trends
  • Snore and sleep talk recording
  • Sleep aid sounds and stories
  • Apple Health and wearable integration

Only in Sweat

  • Trainer-led programs
  • BBG, PWR, BUILD
  • Meal planning
  • Progress tracking
  • Community challenges
  • Apple Health
  • Apple Watch
  • Spotify

What people use each for

The jobs each tool is most often brought in to do.

Sleep Cycle

  • Someone who wants sleep tracking without buying a ring or watch, using a phone they already ownnot Sweat
  • A person who struggles with grogginess from alarms and wants to be woken during a light sleep window insteadnot Sweat
  • Someone who wants to check whether they snore or talk in their sleep, which requires the Premium subscriptionnot Sweat
  • A buyer comparing upfront cost against Oura or a smartwatch before deciding whether hardware-free tracking is good enoughnot Sweat

Sweat

  • Workout trackingnot Sleep Cycle
  • Nutrition managementnot Sleep Cycle
  • Health monitoringnot Sleep Cycle
  • Fitness coachingnot Sleep Cycle
  • Wellness improvementnot Sleep Cycle

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Sleep Cycle

  • Sleep stage detection is inferred from sound and motion rather than measured with dedicated physiological sensors, so accuracy is lower than a ring or watch based tracker like Oura.
  • The app needs to run overnight with the microphone active or the phone on the mattress, which raises its own privacy consideration for anyone uncomfortable with a phone microphone recording an entire room overnight.
  • Most of the features that make the sleep data actionable, detailed trends and snore analysis, are behind the Premium subscription rather than included free.
  • Battery drain overnight from continuous microphone or motion sensing is a real practical issue for anyone who also wants to use the phone as a normal alarm without charging it.
  • Detection can be disrupted by a shared bed, a partners movement or snoring, or ambient household noise, all of which reduce accuracy for the primary user.

Sweat

  • Pricing details are not published on the website; only promotional discount mentioned

Pricing, plan by plan

Sleep Cycle

Free
  • Sleep Cycle Premium$39.99/year
    • Basic sleep tracking and the smart alarm are free, no hardware required
    • Premium unlocks detailed trends, snore recording playback and most sleep sounds
    • Annual Premium commonly around $39.99, with a higher effective rate if billed monthly

Sweat

$19.99/month
  • Monthly$19.99/month
    • All programs
    • Meal plans
    • Progress photos
  • Annual$119.94/year
    • All programs
    • Meal plans
    • Progress photos

Which should you pick?

Choose Sleep Cycle if

  • You need sound and motion sleep analysis.
  • You want to start without paying.
  • You work on iOS, Android.
  • You also want smart alarm.
Sleep Cycle review

Choose Sweat if

  • You need trainer-led programs.
  • You work on Ios, Android, Web.
  • You also want bbg, pwr, build.
Sweat review

Questions people ask

Is Sleep Cycle or Sweat better?
Neither clearly leads. Sleep Cycle starts at Free and Sweat at $19.99/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Sleep Cycle or Sweat?
Sleep Cycle has a free tier; the other does not. Paid plans start at Free for Sleep Cycle and $19.99/month for Sweat.
Does Sleep Cycle or Sweat run on more platforms?
Sleep Cycle runs on iOS, Android. Sweat runs on Ios, Android, Web.
Can I use Sleep Cycle for free?
Yes. Sleep Cycle has a free tier, so you can try it without paying. Sweat starts at $19.99/month.
What is Sleep Cycle best used for?
Sleep Cycle is most often used for someone who wants sleep tracking without buying a ring or watch, using a phone they already own, a person who struggles with grogginess from alarms and wants to be woken during a light sleep window instead, someone who wants to check whether they snore or talk in their sleep, which requires the premium subscription, a buyer comparing upfront cost against oura or a smartwatch before deciding whether hardware-free tracking is good enough. Of those, someone who wants sleep tracking without buying a ring or watch, using a phone they already own and a person who struggles with grogginess from alarms and wants to be woken during a light sleep window instead are not what Sweat is typically brought in for.
What can Sleep Cycle do that Sweat cannot?
Sleep Cycle covers Sound and motion sleep analysis, Smart alarm, Sleep quality trends, Snore and sleep talk recording. Sweat covers Trainer-led programs, BBG, PWR, BUILD, Meal planning, Progress tracking.

Answered from the vendors’ own pages

Sleep Cycle: Do I need to buy any hardware for Sleep Cycle?

No. It uses your phones microphone or accelerometer, placed on the nightstand or mattress, with no separate device to buy.

Sweat: How much does Sweat cost?

Sweat does not publish specific pricing on its website. The site promotes a temporary offer of 25% off, but the base pricing and plan structure are not disclosed on the homepage.

Source
Sleep Cycle: Is Sleep Cycle free?

Basic tracking and the smart alarm are free. Detailed trends, snore recording and most sleep sounds require Sleep Cycle Premium.

Sweat: Does Sweat offer a free trial?

The website mentions a free trial option in the FAQ section, but specific terms and trial duration are not detailed. Further information requires visiting the sign-up page or subscription management section.

Source
Sleep Cycle: How accurate is phone based sleep tracking compared with a ring or watch?

Less accurate, since it infers sleep stages from sound and motion rather than measuring heart rate or temperature directly, which dedicated wearables like Oura do.

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