---
title: "NightOwl Companion — App Overview"
url: https://marlvel.ai/intel-report/medical/com-ectosense-nightowl
category: Medical
developer: Ectosense
platforms: ios, android
rating: 4.8 (63.4K ratings)
pricing: free
report_level: overview
generated: 2026-04-16
last_verified: "2026-04-18T18:32:48.494Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** The app serves as a digital interface for a medical-grade diagnostic device, requiring coordination with a healthcare provider for data interpretation and billing.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Medical |
| Rating | 4.8 ★ (63.4K) |
| Pricing | free |
| Platforms | iOS, Android |
| Latest Version (iOS) | 6.1.0 |
| Latest Version (Android) | 4.2.0 |
| Developer | Ectosense |

<!-- SECTION: Summary -->
## What is NightOwl Companion?

NightOwl Companion is a medical app by Ectosense designed to facilitate home sleep testing for breathing disorders. It pairs with a proprietary finger-worn light sensor to collect physiological data, which users can then share with their healthcare providers.

<!-- SECTION: Key Features -->
## Key Features

- **Sensor Integration**: Connects to the NightOwl light sensor to measure signals from the user's index finger during sleep.
- **In-App Instructional Videos**: Provides guided setup tutorials to help users prepare the device for testing.
- **Data Sharing**: Enables the transmission of collected sleep data to medical professionals for clinical review.

<!-- SECTION: Target Audience -->
## Who is it for?

Patients prescribed a home sleep study by their healthcare provider to monitor for breathing-related sleep disorders.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/nightowl-companion/id1397382074?uo=2)
- [Google Play](https://play.google.com/store/apps/details?id=com.ectosense.nightowl&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/medical/com-ectosense-nightowl)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/medical/com-ectosense-nightowl).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*