Sub Luna - Safari Dark Mode

Zero-Flash, No White Flicker

Free · In‑App Purchases

Limited launch price — $1.99 lifetime unlock. Zero-flash dark mode for Safari. No white flicker — pages load dark instantly. 10 themes, per-site control, iCloud sync. Sub Luna brings instant, zero-flash dark mode to every website in Safari. Unlike other dark mode tools, Sub Luna injects styles before the first paint — so you never see a white flash when loading pages. It just works. FEATURES • Zero-Flash Technology — Dark mode is applied at document_start, before the page renders. No flicker, no white flash, ever. • 10 Beautiful Themes — Pure Dark, Dark Gray, Warm Gray, Night Blue, Sepia Dark, Violet Night, Frost Blue, Mocha, Forest, and Slate. Find the perfect look for your eyes. • Per-Site Customization — Set different themes, brightness levels, or disable dark mode entirely for specific websites. Your rules, your control. • Smart Detection — Automatically skips websites that already have their own dark theme (like YouTube or Twitter), so native dark modes stay untouched. • Floating Toggle — Optional draggable button on every page for instant on/off control without leaving Safari. • Schedule Mode — Set dark mode to activate automatically between specific hours (e.g., sunset to sunrise). • Home Screen Widget — Toggle dark mode with one tap, right from your Home Screen. • iCloud Sync — Your themes, settings, and per-site rules sync seamlessly across all your Apple devices. • Privacy First — No analytics, no tracking, no ads, no account required. All data stays on your device. Period. BUILT FOR SAFARI Sub Luna is a native Safari Web Extension, built with Swift and optimized for iOS. It integrates deeply with Safari and iOS — not a web wrapper, not a VPN, not a proxy. Just clean, fast, private dark mode. CUSTOMIZABLE FOR 135+ POPULAR SITES Hand-tuned CSS fixes for Google, GitHub, Reddit, Wikipedia, Stack Overflow, and 130+ other popular websites ensure dark mode looks great everywhere — not just "good enough."

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The developer, 玮迪 黄, 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
    • 玮迪 黄
    Size
    • 3.7 MB
    Category
    • Utilities
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English and 8 more
    • English, French, German, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Traditional Chinese
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    • © 2026 James Huang Studio
  • Privacy Policy

    • Supports

    • Family Sharing

      Some in-app purchases and subscriptions may be shareable with your family group when Family Sharing is enabled. Learn More

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