Head-to-head · Sleep Tracking Apps for Apple Watch
Lunomia vs Somno
Lunomia leads on 1 check, Somno on 0, and 5 are 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 featuresLunomia · 5 of 5
Lunomia and Somno score identically on our rubric (7.9 out of 10) for sleep tracking apps for apple watch; Lunomia sits at #5 and Somno at #8 in our editorial ranking, so the choice comes down to fit.
Lunomia offers sleep schedule tools; Somno doesn't publish it.
Lunomia is the better fit for users wanting free sleep scores, stages, and trends. Somno is the better fit for users wanting naps, noise analysis, and sleep insights.
- Lunomia fits best
Users wanting free sleep scores, stages, and trends
- Somno fits best
Users wanting naps, noise analysis, and sleep insights
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Side by side
| Feature | Lunomia 7.9/10 Visit ↗ | Somno 7.9/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 7.9 | 7.9 |
| Ranking | #5 in Sleep Tracking Apps for Apple Watch | #8 in Sleep Tracking Apps for Apple Watch |
| Best for | Users wanting free sleep scores, stages, and trends | Users wanting naps, noise analysis, and sleep insights |
| Pricing model | Free plan + paid | Free plan + paid |
| Starting price | Not published | Not published |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Mobile | Mobile |
| Platforms | iOS | iOS, macOS |
| Support | ||
| Integrations | 1 integrations | 2 integrations |
| Built for | Solo | Solo |
| Features Lunomia 5/5 · Somno 4/5 | ||
| Sleep-stage analysis | ✓ | ✓ |
| Sleep score | ✓ | ✓ |
| Sleep schedule tools | ✓ (best) | Not published |
| Apple Health sync | ✓ | ✓ |
| Watch app | ✓ | ✓ |
| Specs | ||
| Tracking mode | Automatic | Automatic |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | Lunomia turns sleep and health data in Apple Health into nightly sleep stages, efficiency readings, trends, and a score from 0 to 100. It is aimed at Apple Watch and iPhone users who want automatic sleep analysis, including a free starting… Read the review → |
Somno is an iPhone and Apple Watch sleep-tracking app from Remix Design Studio for people who want automatic sleep recording alongside interpretation tools. It can detect sleep while the watch is worn, including short naps, and presents… Read the review → |
Strengths and trade-offs
Lunomia — where it wins
- Free plan includes nightly analysis, sleep stages, and a nightly score
- Tracks sleep debt, consistency, naps, and overnight health readings
- Apple Watch app displays sleep stages on the wrist
Where it doesn't
- Pro is needed for full score history, trends, goals, and Sleep Shield
- Sleep analysis relies on data from Apple Health
- Sleep Shield blocks apps only during the sleep schedule
Somno — where it wins
- Automatically detects sleep and records short naps with Apple Watch
- Combines sleep stages, scores, regularity, and noise analysis
- Adds sleep reports, journaling, a smart alarm, and bedtime app lock
Where it doesn't
- Sleep-stage analysis depends on supported Watch models and OS versions
- Insights depend on available Apple Health data
- Available on iOS and macOS, with mobile deployment
- Lunomia7.9/10 · Free plan
A useful free sleep tracker for Apple Watch, with deeper history and Sleep Shield in Pro.
Visit LunomiaFull verdict → - Somno7.9/10 · Free plan
Automatic sleep tracking pairs nap detection with stages, noise insights, and a sleep journal.
Visit SomnoFull verdict →
More comparisons
- Apple Sleep vs Lunomia
- Apple Sleep vs Somno
- Sleep Cycle vs Lunomia
- Sleep Cycle vs Somno
- Pillow vs Lunomia
- Pillow vs Somno
- SleepWatch vs Lunomia
- SleepWatch vs Somno
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