Can I trust Oura?
This app did not meet two or more trust checks, has a critical issue in one, or has a red flag.
- What it means for you
- Sleep staging, HRV, and readiness scores are computed on the device by a PyTorch Mobile model, so the code keeps raw biometric sensor data on the device and contains no path to send it to the cloud. The build includes code to send usage and activity data to Segment, Amplitude, and Braze for analytics and engagement. No advertising SDK is present and no advertising identifier is collected.
- Main concern
- Unencrypted SQLite may expose health biometrics (sleep, HRV, cycle) via device backup
- The developer's description
- Oura is a health tracking app that monitors sleep cycles, heart rate variability, stress levels, and daily readiness through biometric data from your Oura Ring wearable device.
- Third-party services
- 15
- Findings rated low or higher
- 9
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Full findings
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Trust checks
Secure by Design
Items recorded, result pending reviewSecurity gaps detected
Why this result
This check looks for security issues at high severity or above in the code of this build, and at least one was recorded. Issues of this kind include a credential or token another app on the device can reach, sensitive data stored without protection, and network paths that expose information in transit.
Data Minimization
Items recorded, result pending reviewTracking lacks clear disclosure
Why this result
This build contains analytics or attribution code written to send data to companies other than the developer. No consent step was found before that code runs, and the app's disclosures do not describe the collection in full. Tracking by itself is ordinary; what this check reports is the combination of collection, recipient and absent disclosure.
Manifest Mismatch
One criterion not metDisclosure incomplete or contradicted
Why this result
The check compares the app's privacy disclosures against what the code does, and at least one claim did not match in this build. Mismatches of this kind include a data category collected but not disclosed, a recipient the disclosure omits, and an identifier attached to data the disclosure describes as anonymous.
User Control
StrongNo lock-in
Why this result
The check looks for a way to export the data an account has accumulated and a way to delete the account itself. In this build, either both were found, or the app has no account of its own and keeps its data on the device. For an app without an account, the developer has no server-side copy to export or delete, and deleting the app removes the data in its own storage.
No artificial barriers to leaving the service, proprietary data formats that trap user data, or missing account management paths were found. Oura operates as a Finnish-registered company under European data protection law, which grants users legally enforceable rights to access and delete their data. No code patterns suggesting difficult cancellation or restrictions on data portability were detected.
Truly Local
One criterion not metContains code to send personal data off the device
Why this result
This app presents itself as working offline or on the device alone, and this build contains code written to send personal data to servers. The check covers analytics, crash reporting, advertising code and any first-party endpoint the code addresses personal data to. Code of this kind is common; what this check reports is the distance between that code and how the app describes itself.
Strengths
- Login sessions are protected by DPoP token binding (RFC 9449) — stolen tokens cannot be replayed without the device's private key
- App data is protected behind a configurable biometric lock (FaceID/TouchID) with user-controlled delay
- All network traffic uses HTTPS with no ATS exceptions or cleartext allowances
- AES-256-GCM authenticated encryption is available and linked for application-layer data protection
- Core health biometric ML processing (sleep staging, HRV, readiness) happens on the device via PyTorch Mobile — raw sensor data is not sent to the cloud for computation
- No advertising identifier (IDFA) collection and no advertising SDK present
- No hardcoded API keys, OAuth secrets, or credentials in the binary
- Code for data used across app components (main app, widget, Watch) is limited to Oura's own first-party infrastructure, cryptographically gated by Team ID CC7T4AQ3E5
What the app contains
15 services
Third-party services the scan names in the build:
- Segment (analytics-ios 1.9.1 EOL + analytics-swift)
- Amplitude (via SegmentAmplitude)
- Braze / BrazeKit
- Sentry
- ZendeskCoreSDK
- SupportSDK
- IdsvrHaapiSdk (Curity HAAPI 4.7.0)
- CantabPathwayiOS
- TtcStudy
- PyTorch Mobile
- SDWebImage
- SwiftProtobuf
- ZIPFoundation
- Decagon.ai (third-party AI customer support WebView)
- Apple FoundationModels (on-device)
Libraries
| Library | Version | Advisory |
|---|---|---|
| CommonUISDK | 9.2.0 | none confirmed |
| IdsvrHaapiSdk | 4.7.0 | none confirmed |
| MessagingAPI | 6.0.2 | none confirmed |
| MessagingSDK | 6.2.0 | none confirmed |
| Oura | not recorded | none confirmed |
| SDKConfigurations | 4.0.1 | none confirmed |
| SupportProvidersSDK | 9.0.0 | none confirmed |
| SupportSDK | 9.2.0 | none confirmed |
| ZendeskCoreSDK | 5.0.5 | none confirmed |
Changes since the previous scan
- Version 7.22.0 (build 2608040626), score 77.
- Score 68 before, 77 after.
- Version 7.10.2 (Build 2603251727) before, 7.22.0 (build 2608040626) after.
- Score change since version 7.10.2 (Build 2603251727): +9 points.
- Since the previous scan: 19 findings added, 10 removed.
- Version 7.10.2 (Build 2603251727), score 68.
- First public scan of this app.
Method and limits
Static analysis: the decompiled code, manifest and resources of this build, read file by file. Network traffic at run time is established by a capture of the running app.
- Scan date
- 13 August 2026
Corrections
No correction is published for this app.
Developer response
No response is published for this app.
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