description Pillow Overview
Pillow is arguably the best-designed sleep app for the Apple ecosystem. It leverages the Apple Watch's advanced sensors to provide deep insights into heart rate, blood oxygen, and respiratory rate during sleep. The UI is stunning and integrates perfectly with the Apple Health app. It offers a great balance between automated tracking and manual input, making it ideal for users who are already invested in the Apple Watch.
Its smart alarm feature is reliable, and the data visualization is among the best in the industry.
info Pillow Specifications
| Privacy | Ondevice processing, endtoend encryption, no thirdparty sharing |
| Platform | iOS, watchOS |
| Data Export | CSV, PDF, Apple Health |
| Integrations | Apple Health, HealthKit, iCloud sync |
| Data Recorded | Sleep stages, heart rate, respiratory rate, blood oxygen, snoring events |
| Languages Supported | English, Spanish, French, German, Japanese, Chinese (Simplified) |
| Minimum Ios Version | iOS15.0 |
| Device Compatibility | iPhone, iPad, Apple Watch (Series1 and later) |
| Version (As Of 2026) | 3.5.1 |
| Minimum Watchos Version | watchOS8.0 |
balance Pillow Pros & Cons
- Accurate sleep tracking using Apple Watch sensors for heart rate, blood oxygen, and respiratory rate
- Seamless integration with Apple Health and HealthKit for data syncing
- Beautiful, intuitive UI that displays detailed sleep stages, trends, and charts
- Smart alarm feature that wakes you during light sleep for a refreshed feeling
- Free version available with basic tracking, no credit card required
- Privacy-focused design with on-device processing and no third-party data sharing
- Exclusive to Apple ecosystem; not available on Android or other platforms
- Some advanced features (e.g., unlimited history, snoring detection) require a premium subscription
- Depends on Apple Watch hardware, limiting users without a compatible device
- Sleep data accuracy can be affected by watch fit and sensor placement
- No web dashboard; all data and settings are accessible only via the mobile app
help Pillow FAQ
Does Pillow work without an Apple Watch?
Pillow primarily uses Apple Watch sensors for automatic heart rate, blood oxygen, and motion tracking. Without a paired Watch, you can manually log sleep, but detailed metrics and automatic tracking are not available.
How does Pillow track sleep stages?
Pillow analyzes heart rate variability, breathing patterns, and movement data from Apple Watch to classify light, deep, and REM sleep, then displays trends over time to help you understand your sleep quality.
Can I export my sleep data from Pillow?
Yes, Pillow syncs data to Apple Health and allows you to export sleep logs as CSV or PDF directly from the app for personal records or sharing with a healthcare provider.
Is Pillow's premium subscription worth it?
Premium unlocks unlimited history, advanced insights, snoring detection, and custom smart alarms. If you rely heavily on detailed sleep analytics, the subscription adds significant value.
What is Pillow?
How good is Pillow?
How much does Pillow cost?
What are the best alternatives to Pillow?
What is Pillow best for?
Apple Watch owners who want detailed, beautifully visualized sleep insights and a seamless health data integration.
How does Pillow compare to Sleepio?
Is Pillow worth it in 2026?
What are the key specifications of Pillow?
- Privacy: Ondevice processing, endtoend encryption, no thirdparty sharing
- Platform: iOS, watchOS
- Data export: CSV, PDF, Apple Health
- Integrations: Apple Health, HealthKit, iCloud sync
- Data recorded: Sleep stages, heart rate, respiratory rate, blood oxygen, snoring events
- Languages supported: English, Spanish, French, German, Japanese, Chinese (Simplified)
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