Plain explanations
We introduce unfamiliar terms with meanings that make them easier to follow.
SkySaju organizes the year, month, day, and hour of birth into a Four Pillars chart, then explains the pattern in plain language for your own reflection.
Available in South Korea. U.S. launch is coming soon.


SkySaju does not treat a birth time as a verdict on a life. We use the language of seasons, time, and the Five Elements to help you reflect on the pattern in front of you.
We introduce unfamiliar terms with meanings that make them easier to follow.
You can see the Four Pillars and Five Elements before moving into an interpretation.
We describe tendencies and conditions; we do not guarantee an outcome or predict a fixed future.
Start with today, then read your chart and Five Elements before exploring the full reading. These are screens from the current Korean app.

See the overall flow for health, love, money, work, and relationships, then open the detail that matters to you.

Find date and monthly readings, Tojeong Bigyeol, and longer reports under the profile you choose.

Check the Four Pillars and the balance of wood, fire, earth, metal, and water before reading an interpretation.
Korean language collection
Our Korean library has 230 articles on Saju and face reading. Face-reading articles distinguish traditional ideas, limits of observation, and actions you can examine in daily life.
Open the Korean libraryThe English edition is not a 230-article translation of this Korean library.
We do not lead with a prediction. We start with the chart, make the scope of an interpretation clear, and leave room for your own choice.
Organize the year, month, day, and hour of birth under one standard.
Read wood, fire, earth, metal, and water by name and value.
Describe tendencies and conditions without presenting health, money, or timing as certainties.
Use the reading as one way to consider the next action you can take.
You do not need an email address or password. Profiles and opened results are stored on the device. The app does not keep birth details in its database after a reading request.
No email, password, or social login is required.
Return to an opened reading later on the same device.
Health, money, and timing are never presented as certainties.
Available in South Korea on iOS and Android.