- Fixed an issue where the app asked you to sign in to your Apple Account every time it was opened. We apologize for the inconvenience.

- Fixed an issue where customers who purchased the app while it was a paid app did not have all sounds unlocked. Simply update and everything you paid for will be unlocked automatically. We apologize for the inconvenience.

- The app is now free to download. Try the "Ocean" sound free for 7 days. - Added "Unlock All Sounds" (one-time purchase, ¥1,000) for unlimited access to every sound. - If you previously bought the paid version, you keep full access to all sounds — no purchase needed. - Refreshed the sound library and added "Vibraphone" (9 sounds in total). - Added a wake-up timer with 15-minute steps — handy for naps. With earphones connected, a gentle chime plays through them. - Fixed an issue where the binaural beats volume and on/off switch did not work correctly. - Simplified the screen layout to help you focus on choosing a sound.

・Added a wake-up timer. It features 15-minute interval settings—convenient for naps—and plays a gentle alarm through your earphones when they are connected. ・Revamped the sound library and added "Vibraphone" (bringing the total to 9 sounds). ・Fixed an issue where volume adjustment and the "off" function for binaural beats were not working correctly. ・Simplified the screen layout to help you focus on selecting sounds.