License Agreement

License usage rights and related limits.

When you buy Hang Cú video, you receive a limited right to use the app under the selected plan.

30-day license

The 30-day license is a one-time payment and expires 30 days after activation unless the plan description states otherwise. There is no automatic renewal.

Lifetime license

The lifetime license grants permanent use for the purchased app line. Major future versions may follow a separate upgrade policy unless the product page states otherwise.

Device limits

Each license may be limited to a defined number of devices. You may deactivate an old machine and transfer the license to a new machine according to the rules shown in the app or on the website.

Allowed use

  • Use the software only on the permitted devices.
  • Keep your license key private.
  • Contact support if activation fails or you need a device transfer.

Prohibited use

  • Resell, publish, or share the key publicly.
  • Reverse engineer, bypass, or abuse the license system.
  • Use automation or scripts to circumvent device limits.

Revocation

We may revoke a license if we detect fraud, chargeback abuse, repeated policy violations, or unauthorized sharing. Refund eligibility is governed by the Refund Policy.