Maskbox: Masked Email

Manage Fastmail masked emails

$4.99 · Designed for iPad. Not verified for macOS.

The fastest way to use Fastmail masked email on iOS. Create, block, or delete an alias from a widget, Control Center, or Siri. Private by design, by default. Maskbox is the fast, private way to manage your Fastmail masked email aliases, all without digging through settings. Fastmail's masked email lets you give every website a different address, so you can block the spammers and see exactly who leaked your info. Maskbox makes that effortless on iPhone and iPad. CREATE AND MANAGE IN A TAP • Create a new masked alias and copy it instantly • Activate, block, or delete any alias • Search and favorite the ones you use most RIGHT WHERE YOU NEED IT • Home Screen widgets for your aliases at a glance • A Control Center / Lock Screen button to copy a new alias in a single tap • Siri & Shortcuts: "create a masked email" • Your aliases are cached on device, so widgets and Shortcuts work offline PRIVATE BY DESIGN • You sign in directly with Fastmail • Maskbox talks only to Fastmail, directly over HTTPS • No accounts, no analytics, no trackers, no ads WHAT YOU NEED • A Fastmail account Maskbox is an independent app and is not affiliated with or endorsed by Fastmail.

Ratings & Reviews

  • 5.0
    out of 5
    1 Ratings

Quick fixes and optimizations. Thanks for trying Maskbox! Feedback is very welcome at maskboxapp@kojya.co.

Version 1.2

The developer, Kojya, LLC, 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
    • Kojya, LLC
    Size
    • 4.8 MB
    Category
    • Productivity
    Compatibility
    Requires iOS 26.0 or later.
    • iPhone
      Requires iOS 26.0 or later.
    • iPad
      Requires iPadOS 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+
    Copyright
    • © 2026 Kojya, LLC
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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