Best Sleep Tracking Apps for iPhone (2025)
You don’t need a wearable to track sleep. iPhone apps use your phone’s sensors to monitor sleep patterns. Here are
the best options.
For wearable sleep trackers, see: Best Smart Rings for Sleep Tracking.
Top Sleep Tracking Apps
| App | Price | Best For |
|---|---|---|
| Apple Health | Free | Basic built-in tracking |
| Sleep Cycle | Free / $40/yr | Smart alarm, analysis |
| AutoSleep | $6 (one-time) | Apple Watch users |
| Pillow | Free / $5/mo | Detailed analytics |
| SleepWatch | Free / $6/mo | Health insights |
Apple Health (Built-in)
iOS has native sleep tracking—most users don’t realize it exists.
- Price: Free
- Features: Bedtime schedule, time asleep, focus modes
- With Apple Watch: Sleep stages, heart rate, respiratory
- Without Watch: Phone usage patterns only
Pros
- Free and built-in
- Integrates with Apple ecosystem
- Sleep stages with Apple Watch
Cons
- Limited features without Watch
- Basic analytics
- No smart alarm
Sleep Cycle (Best Free Option)
Uses phone microphone/accelerometer to track sleep phases and wake you at optimal time.
- Price: Free (basic) / $40/year (premium)
- Method: Phone on mattress or nightstand
- Features: Smart alarm, snore detection, trends
Pros
- Smart alarm wakes at optimal phase
- Snore detection
- Clean interface
- Works without wearable
Cons
- Accuracy depends on phone placement
- Premium required for best features
- Not as accurate as wearables
AutoSleep (Best for Apple Watch)
The most comprehensive Apple Watch sleep app.
- Price: $6 (one-time purchase)
- Requires: Apple Watch
- Features: Detailed sleep stages, HRV, trends, readiness
Pros
- One-time purchase (no subscription)
- Excellent Watch integration
- Detailed analytics
- HRV tracking
Cons
- Apple Watch required
- Learning curve
- Interface can be overwhelming
Pillow
Premium sleep analysis with detailed breakdowns.
- Price: Free (basic) / $5/month premium
- Works with: iPhone alone or Apple Watch
- Features: Heart rate, audio recording, trends
Phone-Only vs Apple Watch Apps
| Feature | Phone Only | With Apple Watch |
|---|---|---|
| Sleep detection | Movement/sound | Heart rate + movement |
| Sleep stages | Estimated | More accurate |
| HRV | ❌ | ✅ |
| Heart rate | ❌ | ✅ |
| Convenience | No device to wear | Must wear Watch |
Accuracy Reality Check
Phone-only apps are significantly less accurate than wearables:
- Detect when you’re in bed, not necessarily asleep
- Movement detection is indirect
- No biometric data (heart rate, HRV)
Best for: General patterns, smart alarms, people who don’t want wearables.
Not suitable for: Serious optimization, HRV tracking, clinical use.
Recommendation by Situation
| Situation | Best App |
|---|---|
| No Apple Watch, want free | Sleep Cycle (free tier) |
| Have Apple Watch, one-time payment | AutoSleep |
| Have Apple Watch, detailed analysis | Pillow |
| Just want basic built-in | Apple Health |
Verdict
Best without wearable: Sleep Cycle—smart alarm feature is genuinely useful.
Best with Apple Watch: AutoSleep—one-time $6 purchase, excellent data.
For more accurate tracking with HRV and temperature, wearables like Oura are superior. But apps are free/cheap
starting points.
For wearable options, see: Best Smart Rings for Sleep Tracking.