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Head-to-head · Sleep Tracking Apps for Apple Watch

Sleep Cycle vs Pillow

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Sleep Cycle #2 in Sleep Tracking Apps for Apple Watch 7.9/10 Free plan Free plan✓ 0 of 5 features Visit Sleep Cycle
Pillow #3 in Sleep Tracking Apps for Apple Watch 7.9/10 Free plan Free plan✓ 5 of 5 features Visit Pillow

Sleep Cycle leads on 0 checks, Pillow on 5, and 1 is even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Free planboth
  • Most featuresPillow · 5 of 5

Sleep Cycle and Pillow score identically on our rubric (7.9 out of 10) for sleep tracking apps for apple watch; Sleep Cycle sits at #2 and Pillow at #3 in our editorial ranking, so the choice comes down to fit.

Pillow offers sleep-stage analysis; Sleep Cycle doesn't publish it. Pillow offers sleep score; Sleep Cycle doesn't publish it. Pillow offers sleep schedule tools; Sleep Cycle doesn't publish it. Pillow offers apple health sync; Sleep Cycle doesn't publish it. Pillow offers watch app; Sleep Cycle doesn't publish it.

Sleep Cycle is the better fit for users prioritizing smart alarms and sleep schedules. Pillow is the better fit for apple Watch users seeking detailed sleep insights.

  • Sleep Cycle fits best

    Users prioritizing smart alarms and sleep schedules

  • Pillow fits best

    Apple Watch users seeking detailed sleep insights

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature Sleep Cycle 7.9/10 Visit ↗ Pillow 7.9/10 Visit ↗
At a glance
Editor score 7.9 7.9
Ranking #2 in Sleep Tracking Apps for Apple Watch #3 in Sleep Tracking Apps for Apple Watch
Best for Users prioritizing smart alarms and sleep schedules Apple Watch users seeking detailed sleep insights
Pricing model Free plan + paid Free plan + paid
Starting price Not published Not published
Free plan ✓ ✓
Free trial — —
Deployment Mobile Mobile
Platforms Android, iOS iOS, macOS
Support Email, Docs Email, Docs
Compliance GDPR GDPR
Integrations 3 integrations 4 integrations
Built for Solo, Small business Solo
Features Sleep Cycle 0/5 · Pillow 5/5
Sleep-stage analysis Not published ✓ (best)
Sleep score Not published ✓ (best)
Sleep schedule tools Not published ✓ (best)
Apple Health sync Not published ✓ (best)
Watch app Not published ✓ (best)
Specs
Tracking mode Not published Both
Our review
Pros
  • Smart alarm targets a lighter sleep phase within a wake-up window
  • Nightly graphs, sleep stages, statistics and trends support sleep review
  • Sleep goals let users select active days and bedtime and wake-up times
  • Tracks sleep automatically or through manually started sessions
  • Combines sleep stages, scores, heart and respiratory metrics, and trends
  • Adds smart alarms, sound recordings, and Apple Health comparisons
Cons
  • Sleep analysis is phone-based, not Apple Watch-based
  • Wear OS integration is a remote for the phone app, not watch-based tracking
  • Some analysis and personalization features are part of Premium
  • Premium features and content require a subscription
  • Designed for Apple platforms rather than a broad device ecosystem
  • Detailed insights may be more than users seeking basic sleep logs need
Our verdict

Sleep Cycle is a mobile sleep-tracking app for people who want nightly analysis alongside an alarm timed to a lighter sleep phase. Its wake-up window is intended to make waking less abrupt, while sleep stages, graphs, statistics and trends…

Read the review →

Pillow is a sleep-tracking app for Apple Watch users who want more than a record of when they went to bed and woke up. It supports automatic detection through Apple Watch sensors as well as manually started sessions, then presents light,…

Read the review →
  1. Sleep CycleSleep Tracking Apps for Apple Watch 7.9Free plan
  2. PillowSleep Tracking Apps for Apple Watch 7.9Free plan

Strengths and trade-offs

  • Sleep Cycle — where it wins

    • Smart alarm targets a lighter sleep phase within a wake-up window
    • Nightly graphs, sleep stages, statistics and trends support sleep review
    • Sleep goals let users select active days and bedtime and wake-up times

    Where it doesn't

    • Sleep analysis is phone-based, not Apple Watch-based
    • Wear OS integration is a remote for the phone app, not watch-based tracking
    • Some analysis and personalization features are part of Premium

  • Pillow — where it wins

    • Tracks sleep automatically or through manually started sessions
    • Combines sleep stages, scores, heart and respiratory metrics, and trends
    • Adds smart alarms, sound recordings, and Apple Health comparisons

    Where it doesn't

    • Premium features and content require a subscription
    • Designed for Apple platforms rather than a broad device ecosystem
    • Detailed insights may be more than users seeking basic sleep logs need

More comparisons

All sleep tracking apps for apple watch comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update