SIMMemo

SIM & eSIM Keep-Alive

$1.99 · Designed for iPad. Not verified for macOS.

SIMMemo is a private SIM and eSIM number manager for people who maintain multiple, backup, or international phone numbers. Keep each card organized and handle renewal activity before a number expires. Key features: • Save phone numbers, countries or regions, carriers, SIM types, and balances • Calculate the next deadline from the latest activity date and keep-alive cycle • Schedule local reminders 7, 5, 3, 2, or 1 day in advance • Manage service accounts and websites linked to each number • Store account passwords securely in the system Keychain • Hide full phone numbers by default • Keep data on your device by default, with optional private iCloud sync SIMMemo contains no ads, analytics SDKs, or third-party tracking.

Ratings & Reviews

  • This app hasn’t received enough ratings or reviews to display an overview.

What's New • Service account identifiers are now hidden by default for added privacy. • Improved data import and export by moving long-running work off the main thread. • Strengthened transactional protection for phone numbers and linked accounts to prevent lost credentials or relationships when a save fails. • Improved recovery from persistence errors for greater reliability. • Added localization for widgets and refined interface details.

Version 1.4

The developer, 柳生 杨, 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
    • 柳生 杨
    Size
    • 12.4 MB
    Category
    • Utilities
    Compatibility
    Requires iOS 18 or later.
    • iPhone
      Requires iOS 18 or later.
    • iPad
      Requires iPadOS 18 or later.
    • Mac
      Requires macOS 15.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 2.0 or later.
    Languages
    English and 6 more
    • English, French, German, Japanese, Korean, Simplified Chinese, Traditional Chinese
    Age Rating
    4+
    Copyright
    • © 2026 LIUSHENG YANG
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

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