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 GenGirl GroupJYP Entertainment

TWICE

트와이스

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

Members

2015

Debut

ONCE

Fandom

TWICE Members

Click on any member to check your compatibility

Check Match

Nayeon

임나연

Lead Vocalist, Center

Check Match

Jeongyeon

유정연

Lead Vocalist

Check Match

Momo

히라이 모모

Main Dancer, Vocalist

Check Match

Sana

미나토자키 사나

Vocalist

Check Match

Jihyo

박지효

Leader, Main Vocalist

Check Match

Mina

묘이 미나

Main Dancer, Vocalist

Check Match

Dahyun

김다현

Lead Rapper

Check Match

Chaeyoung

손채영

Main Rapper

Check Match

Tzuyu

쯔위

Vocalist, Visual, 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 TWICE Compatibility Test

IdolSaju's TWICE compatibility test uses traditional Korean Saju (Four Pillars of Destiny) astrology to analyze your cosmic connection with TWICE 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 ONCE, 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

BTS BLACKPINK Stray Kids SEVENTEEN TXT aespa NewJeans IVE