4tuneHacker

Map your relationships

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

Explore the chemistry between you and your people in one relationship map. 4tuneHacker maps you and your people through birth details, turning pair chemistry and group dynamics into an easy relationship map. Explore today's chemistry, your own reading, pair insights, and the roles and connections within a group. Relationship graph — add people and see connections at a glance Pair chemistry — read a score and the qualities behind it Group reading — explore roles, rankings, connections, and days to meet Today's reading — check today's view of you and your relationships What to say — pick a situation and a tone for phrasing that fits one person Sharing — use result cards and links, the “Add a friend” web relay, or “Tell a friend my birthday” local sharing as separate flows Birth details for your own chart are stored on your phone. The optional “Add a friend” web relay delivers a friend's entered details to the app and then deletes them. “Tell a friend my birthday” local sharing includes the display name, Gregorian birth date, time if known, and South Korean local-time basis for recipient review. Optional usage statistics are initially off; choose during onboarding and change them in Settings. Korean, English, Japanese, Traditional Chinese, Simplified Chinese, and Spanish are supported. Readings are for entertainment and self-reflection, and are not medical, financial, legal, or other professional advice.

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The developer, EUNJI LEE, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Location
    • Contact Info
    • User Content
    • Identifiers
    • Usage Data
    • Other Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
EUNJI LEE
Size
122 MB
Category
Lifestyle
Compatibility
Requires iOS 16.4 or later.
  • iPhone
    Requires iOS 16.4 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English and 5 more
  • English, Japanese, Korean, Simplified Chinese, Spanish, Traditional Chinese
Age Rating
4+
Copyright
© 2026 EUNJI LEE
  • Developer Website
  • Privacy Policy