It's a stand-alone product, different from Hipstersound membership, so the functionality will be different.
✓ 30+ different sounds to mix
✓ 8 presets
✓ Sleep timer
✓ Offline use: no internet connection required
✓ System requirements: Windows, display 1000x700 or higher
Lifetime license: $19
30 Days Money-Back Guarantee if not satisfied.