MARLVEL
528 Hz Sound Therapy icon

528 Hz Sound Therapyv1.2

Released January 14, 2026Major

iOS

What changed

  • ContentAdded 528 Hertz music content
  • ContentAdded The Book of Life
  • ContentAdded The Book of Intention

Original release notes

New features, including additional content: 528 Hertz music, The Book of Life and The Book of Intention

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by 528 Hz Sound Therapy, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

See methodologyContact support

Data licensed under CC-BY-NC 4.0