White Sound Pro is the best app that can be used freely without downloading additional sound sources by collecting white noise that is known to be effective in many areas such as improving concentration, soothing baby and insomnia.

White noise is a mixture of various frequencies, and sounds of nature such as rain, waves, waterfalls, etc.

The effect stimulates hearing, relieves tension and gives a refreshing feeling that makes you feel good.

Best of all,   Easy to hear, neutralizes unwanted noise  .

Over a hundred high-quality sound sources are installed with the app and all the music sources are available without additional downloads.

You can see a good effect in the following cases.
 - When the area is too noisy for studying
 - When you don't sleep well for insomnia
 - When you are angry with the noise between floors
 - When you are having a hard time with your baby's sleep (Please play softly at least 30cm away.)

[Built-in sound list]
 - Soft rain
 - shower
 - Autumn rain
 - The sound of the rain in the car
 - Quiet rain under the roof
 - Noisy rain under the roof
 - Rain under the roof
 - Rain under an umbrella
 - Drizzle
 - Drain pipe
 - Thunder
 - The sound of rain on the car
 - The sound of the rain
 - Wind and rain
 - Heavy rain
 - Northern Ireland Rural Rain
 - Storm rain
 - The sound of the rain under the tree
 - Cool rain
 - The sound of rain outside the cafe
 - wave
 - Beach
 - Forest wind
 - Forest walk
 - Birds in the woods
 - Spring
 - summer
 - autumn
 - winter
 - water drop
 - Stream
 - Bird
 - Snow steps
 - Sound of water
 - pond
 - Ice Snow Steps
 - Ice Valley
 - bug
 - Cricket
 - Chinese Cricket
 - Fairy Tale of Autumn
 - Spring day
 - Morning in the woods 07:30
 - Morning in Bangkok
 - Firewood
 - Brazier
 - Twig firewood
 - Wet firewood
 - fireplace
 - Vacuum Cleaner Vol 1
 - Vacuum Cleaner Vol 2
 - Hair dryer
 - Sewing machine sound
 - TV
 - Street
 - Streets of Moscow
 - Match
 - spray
 - Fireworks
 - Car sound
 - office
 - Small office
 - clock
 - Mechanical watches
 - Cafe
 - Noisy cafe
 - Cafes in Toronto
 - Cafes in Vienna
 - Small cafe
 - Korean Star Cafe
 - COEX Cafe
 - Atmospheric cafe
 H eart rate (earphones)
 - coffee
 - Coffee Maker
 - typing
 R ailroad
 - subway
 - Gwangju Station
 - popcorn
 - blackboard
 - Blackboard drawing
 - Writing with a pen
 - Write quickly with the pen
 - Writing with markers
 - Write quickly with markers
 - shower
 - Tearing paper
 - Paper Play Equipment
 - Vinyl Equipment Vol .1
 - Vinyl Equipment Vol .2
 - fan
 - air conditioner
 - Mainspring
 - Kim autumn hand movements
 - Ping-pong
 - Billiards
 - basketball
 - Lazy Kim
 - Walking down the street
 - Walking the ground
 - Walking lobby
 - Fried eggs
 - Egg Fry Full Version
 - Shake the matchbox
 - Shake the dice
 - Shake the paper
 - Whisper
 - Magazine reading
 - Reading books
 - library
 - Reading Room
 - School reading room
 - Harvard University Bugs
 - Old ship
 - Scissors
 - Trimming
 - Busan Airport
 - space
 - Space
 - Deep Sea Vol1
 - Deep Sea Vol2
 - Scuba diving
 - Monotonous music box
 - Tokyo Shopping Mall Music Box
 - Music box
 - elevator
 - Grind
 - Beep
 - Iron Moonsori
 - Baby
 - coin
 - Gunshots
 - camera
 - Mix Vol.1
 - Mix Vol.2
 - PC communication
 - smile
 - owl
 - Phone vibration
 - Sincere Kim Mi-young
 - bicycle
 - Pin ring
 - Snow removal
 - Like an Indian doll ...

☞ Convenient and elegant UI
☞ Various sound mix
☞ Screen off playback