Privacy Policy
We don’t sell your data, we don’t build profiles of your listening habits, and we don’t keep your personal content.
At App Lane OÜ (“we,” “us,” or “our”), we built Lyd to make controlling your Sonos system from your Apple Watch simple and delightful. We take your privacy seriously, and we want to be transparent about how we handle your information.
The short version: We don’t sell your data, we don’t build profiles of your listening habits, and we don’t keep your personal content. Most of what Lyd does happens on your device or passes through our systems only temporarily. The one thing we do collect on an ongoing basis is pseudonymous app-usage and crash diagnostics, described below, which we use only to keep Lyd working and improve it.
Information We Collect (and Don’t Collect)
What We Don’t Do
Lyd is designed with privacy at its core. We do not:
Sell your data to anyone
Build advertising or behavioral profiles of you
Store your Sonos credentials or your voice messages after they’re used
Use your information for advertising or marketing
What We Do Collect
To keep Lyd running and improve it, we collect limited diagnostic and usage data through Google’s Firebase tools (see “Who We Share Information With”). This includes a pseudonymous app-instance identifier, device and app-version information, in-app events, and crash diagnostics. This data is pseudonymous — it is not tied to your name and we do not attempt to identify you from it — but under data-protection law it may still count as personal data, so we treat it accordingly.
What Happens When You Use Lyd
Sonos Authentication
When you connect Lyd to your Sonos system, authentication is handled through a secure web service. Only short-lived, non-identifying technical logs are created during this process, and they cannot be traced back to you personally.
QR Code Login
When you use QR codes to quickly pair your Apple Watch, the login tokens are encrypted and deleted immediately after use. No record of the pairing is kept.
Voice Messages (Apple Watch)
When you record audio messages on your Apple Watch to send to Sonos, the audio is uploaded temporarily so it can be played back. Each message is protected with a one-time password and is automatically deleted after playback or within 10 minutes, whichever comes first. We do not access or listen to your messages.
Crash Reports
If Lyd crashes, we receive crash diagnostics through Firebase Crashlytics (provided by Google LLC). These reports help us fix bugs and improve stability and do not contain content such as your messages or Sonos data.
Usage Analytics
Lyd uses Firebase Analytics to understand how the app is used in aggregate — for example which features are opened and where errors occur. This relies on a pseudonymous app-instance identifier and does not identify you personally.
When You Contact Us
If you email us or otherwise reach out, we receive the information you choose to share — such as your email address and the contents of your message — so that we can respond. We use this only to handle your request, never for advertising or marketing.
How We Use Information
We use the limited information we collect solely to:
Keep Lyd running smoothly on your devices
Fix bugs and crashes
Improve features and performance
Maintain the security of our services
We do not use your information for advertising, marketing, or any purpose beyond making Lyd work better.
Who We Share Information With
We do not sell your information. Period.
We work with trusted service providers who help us operate Lyd:
Google LLC — Provides Firebase Analytics, Firebase Crashlytics, and Firebase Realtime Database for usage analytics, crash reporting, and core app functionality
Heroku (Salesforce, Inc.) — Provides application hosting
These providers are contractually required to protect any data they handle and may only use it to help us provide Lyd’s services.
International Data Transfers
Some of our service providers (including Google LLC and Salesforce, Inc.) are based in the United States, so your information may be processed outside the European Economic Area, the UK, or Switzerland. Where that happens, the transfer is covered by appropriate safeguards — such as the European Commission’s Standard Contractual Clauses and/or the providers’ certification under the EU–US Data Privacy Framework.
Cookies and Tracking Technologies
Neither our website at lyd-for-sonos.app nor the Lyd app uses cookies. The website is a static informational site that sets no tracking or advertising cookies.
Like many mobile apps, Lyd uses SDK-based diagnostics (Firebase Analytics and Firebase Crashlytics), which collect only the pseudonymous information described above.
Your Rights and Choices
Access and Deletion
We hold very little data about you, and most of it is short-lived or pseudonymous. If you have questions or want to exercise your rights, contact us at lyd@app-lane.com and we’ll help where we’re able.
Stopping Use
You can stop using Lyd at any time by deleting the app from your devices. Temporary data such as login tokens and voice messages is purged automatically as described above.
If You’re in the EEA, UK, or Switzerland (GDPR)
We process your information based on:
Contractual Necessity — to provide Lyd’s core functionality
Legitimate Interests — to maintain security, fix bugs, and improve performance (including pseudonymous analytics and crash reporting)
Your Consent — when you choose to use features such as voice messaging
You have the right to access your data, request deletion, object to or restrict processing, withdraw consent at any time, and lodge a complaint with a data protection authority:
EU users: your country’s supervisory authority
UK users: Information Commissioner’s Office (ICO)
Swiss users: Federal Data Protection and Information Commissioner (FDPIC)
We’d appreciate the chance to resolve any concern first — just email lyd@app-lane.com and we’ll respond in good faith.
Children’s Privacy
Lyd is not intended for children under 16 (or the minimum age required in your country). We do not knowingly collect information from children. If we learn that a child has provided us with personal information, we will delete it.
Security
We take reasonable measures to protect the data that passes through our systems, including:
Encryption for QR login tokens
One-time passwords for voice messages
Automatic deletion of temporary data
Secure authentication processes
No system is 100% secure, and we cannot guarantee absolute security, but we continuously work to protect your information.
Changes to This Privacy Policy
We may update this policy from time to time to reflect changes in our practices or legal requirements. When we do, we’ll post the updated policy with a new “Last Updated” date and highlight significant changes the next time you open Lyd.
Contact
Questions, concerns, or feedback about this policy? Email lyd@app-lane.com.
This policy is governed by the laws of Zurich, Switzerland.
This Privacy Policy was last updated on June 17, 2026.
