IdolSaju is a FREE K-Pop idol compatibility calculator that uses authentic Korean Saju (사주) astrology - the Four Pillars of Destiny - to calculate your cosmic connection with over 350 K-Pop idols including BTS, Stray Kids, SEVENTEEN, NewJeans, aespa, ENHYPEN, LE SSERAFIM, IVE, RIIZE, BOYNEXTDOOR, TWS, ILLIT, BLACKPINK, and more.

How does Korean Saju astrology work?

Saju (사주) is based on the Four Pillars of Destiny: Year, Month, Day, and Hour pillars. Each pillar contains a Heavenly Stem (천간) and Earthly Branch (지지), creating a unique cosmic profile. IdolSaju compares your Saju profile with K-Pop idols to calculate compatibility based on Five Elements (오행) harmony, zodiac combinations, and energy flow.

Which K-Pop groups are available on IdolSaju?

IdolSaju features 350+ idols from all major K-Pop groups: 4th/5th Gen (NewJeans, aespa, IVE, LE SSERAFIM, RIIZE, BOYNEXTDOOR, TWS, ILLIT, KISS OF LIFE, ZEROBASEONE), 3rd/4th Gen (Stray Kids, ENHYPEN, TXT, NMIXX, ITZY, ATEEZ), and legends (BTS, BLACKPINK, SEVENTEEN, TWICE, EXO, NCT, Red Velvet, (G)I-DLE).

Is IdolSaju free to use?

Yes! IdolSaju offers a completely FREE compatibility test showing your top idol matches with compatibility scores. Pro features (€4.99/month) include detailed Saju analysis, daily personalized horoscopes, and in-depth compatibility breakdowns.

How do I find my K-Pop soulmate?

Simply enter your birth date on IdolSaju, and our Saju algorithm will calculate your compatibility with 350+ K-Pop idols based on authentic Korean astrology. You will see your top matches ranked by cosmic compatibility percentage!

Can I test compatibility with a specific idol?

Yes! Use Bias Mode to select your favorite idol first (like Jungkook, Jimin, Felix, Hyunjin, Minji, Karina, Wonyoung, etc.), then enter your birth date to see your detailed compatibility analysis.

IdolSaju

3rd GenBoy GroupHYBE (Big Hit)

BTS

방탄소년단

Discover your Saju compatibility with BTS members! Who is your cosmic soulmate?

Members

2013

Debut

ARMY

Fandom

BTS Members

Click on any member to check your compatibility

Check Match

RM

김남준

Leader, Main Rapper

Check Match

Jin

김석진

Vocalist, Visual

Check Match

Suga

민윤기

Lead Rapper, Producer

Check Match

J-Hope

정호석

Main Dancer, Rapper

Check Match

Jimin

박지민

Main Dancer, Lead Vocalist

Check Match

V

김태형

Vocalist, Visual

Check Match

Jungkook

전정국

Main Vocalist, Maknae

How the Compatibility Test Works

1. Enter Your Birthday

Enter your birth date to calculate your Four Pillars of Destiny (Saju)

2. Saju Analysis

We analyze your Five Elements and calculate compatibility with each member

3. Find Your Soulmate

Discover which member has the strongest cosmic connection with you

About BTS Compatibility Test

IdolSaju's BTS compatibility test uses traditional Korean Saju (Four Pillars of Destiny) astrology to analyze your cosmic connection with BTS members. We examine the harmony of Four Pillars (Year, Month, Day, Hour) and Five Elements (Wood, Fire, Earth, Metal, Water) to find your perfect match.

If you're a ARMY, discover how cosmically aligned you are with your bias! Take our free test for basic compatibility, or unlock premium analysis for detailed fortune readings and personalized advice.

Try Other Groups

BLACKPINK Stray Kids SEVENTEEN TXT aespa NewJeans IVE LE SSERAFIM