Stringclime: Solar Strings

PV voltage and MPPT planner

$2.99 · Designed for iPad. Not verified for macOS.

Find a defensible PV module-count window across cold Voc, hot Vmp, MPPT limits, array power, and inverter constraints. Stringclime: Solar Strings is a solar-array workbench for testing temperature-adjusted string voltage, inverter windows, current limits, and alternative module layouts. KEY FEATURES - Cold open-circuit voltage check - Hot operating-voltage and MPPT check - Temperature-coefficient calculations - Module-count window and selected-string verdict - DC-to-AC ratio and array comparison - Editable array records plus CSV import - Side-by-side climate scenario - Local PDF analysis packet - Forty original offline PV reference plates ONE-TIME AND PRIVATE - One paid download; no subscription or in-app purchase - No account, advertising, analytics, tracking, or developer-operated backend - Core tools and bundled reference material work offline - Work remains on device unless you deliberately import, share, or export through an Apple system interface Electrical results are planning aids. Verify current manufacturer data, site temperatures, conductor protection, and all applicable electrical codes.

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The developer, Robert Corbin, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

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    Information

    Seller
    • Robert Corbin
    Size
    • 83.4 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 and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Age Rating
    4+
    Copyright
    • © 2026 Robert Corbin
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

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

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