Last updated July 29, 2026

Terms

License

A $4.99 USD Serein lifetime purchase grants one person a perpetual, non-transferable license for one Mac they own or control. License keys may not be shared, resold, published, or used to bypass activation limits.

Trial

New installations include a fully functional seven-day trial. No payment method is required to begin the trial.

Updates and compatibility

Lifetime access includes available updates. Serein requires macOS 14 or later and Spotify for Mac. Platform or Spotify changes may affect future compatibility.

Payments and refunds

Polar processes purchases, taxes, receipts, and refunds. Refund requests are handled through Polar under the policy shown at checkout.

Acceptable use

You may not reverse engineer licensing protections, distribute modified copies as Serein, or use the software unlawfully.

Warranty and liability

Serein is provided as available without warranties beyond those required by law. To the extent permitted by law, liability is limited to the amount paid for Serein.

Support

Contact support@serein.edwarddiesta.com.