
About
This app analyzes your birth moment using both Korean Saju and Western astrology, offering detailed interpretations and comparisons. It allows you to explore raw chart data, compare astrological readings with MBTI types, and assess compatibility with others.
What's New in Sidera
1.5.0
October 15, 2026
Watch an optional ad to get free questions. You never have to — free questions and credits work just the same. Prices and purchase records now show the currency you actually paid in.
MoreSubscriptions & In-App Purchases
$6.99
Standard — 60 questions
Sixty questions to ask. No expiry date.
User reviews
FAQ
What is Sidera?
Sidera is a lifestyle app that computes and interprets your birth chart using both Korean Saju and Western astrology systems. It allows you to view raw data, compare astrological readings with MBTI types, and check compatibility with others.
Does Sidera have ads?
No, Sidera does not contain advertisements. The app is free to download and use, with optional in-app purchases for additional features or readings.
How does Sidera compare Saju and Western astrology?
Sidera runs both Saju (Korean birth moment reading) and Western birth charts from the same birth data. It highlights where the two systems agree and where they differ, offering a comprehensive view.
Can I see the raw data in Sidera?
Yes, Sidera allows you to open and view the raw Saju and birth charts. You can explore elements like heavenly stems, earthly branches, the balance of five elements, planetary positions, house cusps, and aspects.
How does Sidera handle compatibility?
You can register two people in Sidera to lay their charts over each other. The app then reads where the charts align and where they diverge, providing insights into relationship dynamics.
What house division methods are available in Sidera?
Sidera offers multiple house division methods, including Whole Sign, Placidus, Equal, and Porphyry. Each method comes with an explanation of its function.
What is the age rating for Sidera?
Sidera has an age rating of 4+ and is available on iPhone and iPod devices. It was last updated on September 10, 2026, with version 1.4.0.
How many free questions do I get with Sidera?
Upon signing up for Sidera, you receive five free questions. Viewing raw charts and managing profiles remains free of charge.



