Rope Rescue Calculator2026

Pulley

Only for iPhone

$0.29 · Designed for iPhone. Not verified for macOS.

iPhone

Rope Rescue Calculator is a local utility for rope rescue training, outdoor teams, and high-angle work scenarios. It helps users quickly estimate common pulley ratios, forces, and angles. Key features include: 1. Pulley ratio calculation: supports common 2:1, 3:1, 5:1 systems and estimates theoretical pull force and efficiency loss. 2. Anchor angle force: enter angle and load to view dual-anchor force distribution and risk tips. 3. Stretcher slope and hauling distance: calculate slope, rope length, and transport references from height difference and horizontal distance. 4. Equipment checklist templates: save training plans, rope length, pulley count, carabiners, and protection gear. 5. Local record archive: save calculation results by project for training review and offline lookup. All data is stored only on the device. No login, no internet connection, and no personal information collection are required. It is designed for users who need a stable, low-maintenance, ready-to-use professional utility.

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Added a feedback feature.

Version 1.1

The developer, Nanjing Yunxiaochuang Technology Co., Ltd, 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
    • Nanjing Yunxiaochuang Technology Co., Ltd
    Size
    • 1 MB
    Category
    • Utilities
    Compatibility
    Requires iOS 15.6 or later.
    • iPhone
      Requires iOS 15.6 or later.
    • iPod touch
      Requires iOS 15.6 or later.
    • Mac
      Requires macOS 12.5 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English and 8 more
    • English, French, German, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish
    Age Rating
    4+
    Copyright
    • © ropeRescueCalc-dh-2026
  • Privacy Policy

    • Supports

    • Family Sharing

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

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