Vincula

Roman numeral converter

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Vincula turns numbers into Roman numerals - and Roman numerals back into numbers - the instant you type. One field, no forms, no setup. Type 2026 and read MMXXVI, or type MMXXVI and get 2026 back. Built to be fast, calm, and completely private. Everything runs on your device. No account, no sign-in, no internet required, and nothing collected. CONVERT INSTANTLY - Type a number to get its Roman numeral, or type a numeral to get the number - Automatic detection figures out which way you are going - Tap to copy the result anywhere ROMAN DATES - Turn any date into Roman numerals for engravings, tattoos, and keepsakes - Recent conversions are saved automatically VINCULA PRO (one-time unlock) - Big numbers with vinculum notation - the classic overline that multiplies by 1000, up to 3,999,999 - Date styles: reorder day, month, and year and choose your separator - Export a clean, shareable date card - Unlimited history A single purchase unlocks Pro forever. No subscription. Whether you are decoding a clock face, a movie copyright, a book chapter, or designing a date to keep, Vincula makes Roman numerals effortless. Terms of Use (EULA): https://obelisk.club/romannumerals/terms

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The developer, 永 张, 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 Not Collected

    The developer does not collect any data from this app.

    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
    • 永 张
    Size
    • 556 KB
    Category
    • Utilities
    Compatibility
    Requires iOS 26.0 or later.
    • iPhone
      Requires iOS 26.0 or later.
    • Mac
      Requires macOS 26.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 26.0 or later.
    Languages
    • English
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    • Copyright © 2026 Peter Zhang. All rights reserved.
  • Developer Website
  • Privacy Policy

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