Legal

Privacy Policy

Effective Date: March 17, 2026 — Last Updated: March 17, 2026

Murm ("we," "our," or "the app") is a white noise and ambient sound application designed to help users sleep, focus, and relax. We are committed to protecting your privacy and being transparent about our data practices.

Summary

Murm does not collect, store, or share any personal data. The app operates entirely offline on your device. No information is transmitted to external servers.

Information We Collect

We Do NOT Collect

  • Personal information
  • Location data
  • Device identifiers
  • Usage analytics or crash reports
  • Advertising data
  • Audio recordings

Local Data (On Device Only)

  • Sound mix preferences
  • Volume settings
  • Tone frequency settings
  • Timer preferences
  • UI preferences

This data never leaves your device, is not accessible to us, and can be deleted by uninstalling the app. Stored using standard iOS/macOS UserDefaults.

How We Use Information

Since we don't collect any data, there is nothing to use, analyze, or share. The app's functionality is entirely self-contained:

Playback

Local on device

Synthesis

System frameworks

Visuals

Metal on device

Timers

Local device time

Third-Party Services

Murm does not use any third-party services, including:

No analytics services

No crash reporting

No advertising networks

No social media integrations

No cloud storage services

No authentication services

Data Sharing & Children's Privacy

We do not share any data because we do not collect any data.

Murm is safe for users of all ages, including children under 13. Since the app does not collect any personal information, it complies with the Children's Online Privacy Protection Act (COPPA) and similar regulations.

Your Rights

Data Access

There is no data to access, as we don't collect anything.

Data Deletion

To delete locally stored preferences, simply delete the Murm app from your device. This removes all local settings and preferences.

Opt-Out

There is nothing to opt out of, as no data collection occurs.

Security

While we don't collect data, we take security seriously:

  • The app operates in the iOS/macOS sandbox
  • All audio processing happens locally
  • No network connections are made
  • Standard iOS/macOS security protections apply

App Permissions

Audio Playback

Purpose: To play white noise and ambient sounds

Usage: Required for core app functionality

Data collected: None

Background Audio (Optional)

Purpose: Continue playing sounds when app is backgrounded

Usage: Allows sleep sounds while device is locked

Data collected: None

We Do NOT Request

Microphone Camera Location Contacts Photo library Calendar Bluetooth Network access

Transparency

We believe in radical transparency about privacy.

What Murm CAN'T Do (By Design)

  • Track how you use the app
  • Know which sounds you prefer
  • See when you use the app
  • Access your files or other apps
  • Share your data with advertisers
  • Connect to the internet
  • Identify you in any way

What Murm CAN Do

  • Play sounds locally on your device
  • Remember your preferences locally
  • Run in the background for continuous playback
  • Function completely offline

Privacy by Design

Murm was built from the ground up with privacy as a core principle.

No server infrastructure

There's nothing to connect to

No user accounts

Nothing to sign up for

No tracking code

No analytics SDK integrated

Open about permissions

Clear explanation of all access requests

Local-first architecture

Everything stays on your device

Compliance & International Users

Murm is available worldwide. Regardless of your location, we do not collect personal data and the app operates the same way everywhere.

This app complies with:

Apple App Store Guidelines GDPR (EU) CCPA (California) COPPA PIPEDA (Canada)

We don't require a legal basis for data processing because we don't process personal data. Since we don't collect data, compliance is straightforward.

Changes to This Policy

If we update this privacy policy, we will:

  • Update the "Last Updated" date at the top of this page
  • Notify users through the App Store update notes
  • Make the new policy available in the app

We will never change our fundamental commitment to not collecting user data without clear notice and consent.

Contact Us

If you have questions about this privacy policy, please contact us:

Email: ChrisJCraft@gmail.com

Website: getmurm.com

App Store: Murm for iOS/macOS

Your Consent

By using Murm, you agree to this privacy policy. Since we don't collect data, there's nothing further to consent to.

The simplest privacy policy is the one where nothing is collected. That's Murm.

Version History

v1.0 (March 17, 2026) — Initial privacy policy for Murm v1.0