Utilities

Stringclime: Solar Strings

PV voltage and MPPT planner

iOSfor iPhone and iPad

  • $2.99 one-time purchase
  • No account
  • No ads or app telemetry

View on the App Store

About Stringclime: Solar Strings

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.

A Shadowfetch app. Published on the App Store by Robert Corbin.