Sounva Privacy Policy

Updated: November 8, 2026

Sounva is provided by Hui Wang.

Music and projects on your device

Imported music, lyrics, images, visual settings, projects and exported videos are processed and stored on this device. Music analysis for spectra and beat effects runs locally. Playing and exporting do not upload your music, lyrics or images to the account service. Automatic cloud backup and cross-device sync are not included. Removing the app may remove its local files; save important videos first.

Optional AI music

If you use AI Music, the account service sends your text prompt to Mureka, a third-party music generation provider, after you explicitly agree. Imported music, images, lyrics and projects are not sent to Mureka. Avoid personal or confidential information in the prompt. You can decline by leaving the consent switch off. A submitted request may continue to run after you close the screen.
The app can keep the pending prompt in the device Keychain to retry the same request until the service acknowledges it. The service keeps a keyed prompt fingerprint and job status linked to your account and makes the generated audio available for up to 24 hours after completion, with encrypted storage. Account deletion removes these records from the active account database. Music you choose to keep is saved in your local library. Mureka handles its own copies under its privacy policy: https://platform.mureka.ai/privacy_policy.pdf.

Cloud templates

When you open Cloud, the app downloads the catalog and covers from https://sounva.shipstatic.com/templates/manifest.json and the resource addresses listed there. Selecting a template downloads its settings and backgrounds. These are requests for public resources without app account credentials. Your imported audio, images, lyrics and projects are not uploaded with template requests. Downloaded catalogs, covers and template data are cached on your device for reopening. The hosting provider processes network information needed to serve these requests, such as your IP address.

Photos and files

System pickers give the app access to the files you select. Saving a video to Photos requests permission to add that video, not access to your entire photo library. If you decline, you can save to Files through sharing. Exported videos may contain your music, lyrics and images.

Optional sign-in

Local playback and customization do not require sign-in. Video export requires an active monthly subscription or a Lifetime purchase. The account service determines which methods are available: Apple, Google, email verification code or an existing-account password.

Apple sign-in sends an identity token, one-time code and verification nonce to the first-party account service. With your authorization, Sounva requests the name Apple provides to initialize your display name; Apple may not return it on later sign-ins. It does not request your Apple email address. Google sign-in opens Google’s authorization page and uses a one-time code with PKCE. It requests openid and profile to obtain your verified account identity and available display name, without Google Drive, contacts or offline access.

Email verification sends your email address to the account service and Resend, its email delivery provider. The service uses a keyed identifier for your email identity. Existing-account password sign-in sends your email and password over HTTPS; the password service verifies a salted hash rather than storing the password in plaintext. Apple and Google handle data entered on their pages under their own policies. Resend processes email delivery.

Account records

The service stores account identifiers, sessions, provider identity records and authentication challenges. Apple refresh credentials needed to revoke authorization are encrypted. The app keeps its session in the system Keychain. Sessions last up to 30 days; that expiry does not mean logs or backups are erased after 30 days. Identities are not automatically merged by matching email addresses.

Your display name is saved with your account and cached on this device for display when reconnecting. A provider name initializes an unset profile only; your own edits take priority. You can change or clear the name in account settings. Account deletion removes it from the active account database and clears this account’s name cache on the device performing deletion.

Purchases

Apple processes Monthly and Lifetime purchases and restores through StoreKit. The app does not receive your payment card details. It checks verified transactions and subscription status for video export access. Monthly renews unless canceled; Lifetime is a one-time purchase. Preview and editing are free; every video export requires an active monthly subscription or a Lifetime purchase. The revised policy does not use a Sounva product watermark. Signing in alone does not unlock export. Required third-party music credits still apply. Apple handles billing records under its own privacy policy.

Sign-out and account deletion

Account settings provide sign-out and deletion with fresh verification using the original sign-in method. Password accounts verify the existing email and password; this does not create or switch accounts. When you sign out with a session that has not expired, the app first requests sign-out from the service. It clears the local signed-in state after the service confirms sign-out, or if the session has expired or the service rejects it as no longer valid. Other network failures do not complete sign-out. Account deletion completes only after the service confirms success. Signing out or deleting an account does not remove copies saved to Photos, Files or other apps. Account deletion does not cancel an Apple subscription; manage it in Apple Account settings.

Tracking and diagnostics

The music player has no advertising or analytics integration and does not track you across apps for advertising. Development diagnostics stay local and are not automatically uploaded. Account requests pass through the service and its hosting infrastructure. This does not mean infrastructure logs or backups are absent.

Sharing and rights

The system share sheet sends videos to the recipient or app you choose. They manage their copies. Only import and share content you are entitled to use; the app does not grant third-party content rights.

Feedback and support

Feedback text and the optional reply email you enter are saved as a draft on this device. Continue in Mail prepares an email to caochengzhou1715@gmail.com for you to review and send. The app does not automatically attach music, projects or logs. When you send an email, its contents and sender address are processed by your email provider and the support mailbox provider, Gmail. Opening an external mail app does not confirm delivery to support.

The Discord link opens the Sounva community at https://discord.gg/a7vqKH9Tr. Your Discord account and messages are handled by Discord; message visibility depends on the channel where you post. Opening the invite does not upload your music, projects or feedback draft.

Retention and deletion

Records needed to maintain an active account are kept while that account is active. Once the service confirms deletion, the active account and its linked authentication records are removed from our active account database. Separate security fingerprints used to prevent replay or reactivation of revoked identities may remain; these records do not have a fixed automatic deletion period. A session or verification code expiring does not immediately erase stored records or infrastructure logs. The account service is hosted on Fly.io. Hosting infrastructure processes connection information, including IP addresses and request metadata, to deliver and secure the service; infrastructure logs follow the hosting provider's retention rules and are not erased immediately when you delete an app account. Support correspondence is kept in the support mailbox to answer and follow up on your request. Deleting your app account does not delete email or Discord messages held by those services; use their controls or contact support for help.

Contact

For support or privacy questions, email caochengzhou1715@gmail.com. You can also open the Sounva Discord community at https://discord.gg/a7vqKH9Tr.