# Stringclime: Solar Strings — PV voltage and MPPT planner

> PV voltage and MPPT planner (iPhone/iPad app by Robert Corbin.)

- Source: https://appshunter.io/ios/app/stringclime-solar-strings/id6792646404 (this page in markdown: same URL + `.md`)
- Developer: [Robert Corbin](https://appshunter.io/developer/1890247992)
- Category: Utilities, Productivity
- Price: $2.99
- Age rating: 4+
- Requires: iOS 17.0 · 80 MB
- Released: 2026-07-29
- Data updated: 2026-09-13
- User reviews in markdown: https://appshunter.io/ios/app/stringclime-solar-strings/id6792646404/reviews.md

## What is Stringclime?

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.


## Version history (last 1 release)

### 1.0 — 2026-07-30

No release notes.

## More apps by Robert Corbin

- [Daily Word Journey](https://appshunter.io/ios/app/daily-word-journey/id6761548266)
- [Hush Secret Text](https://appshunter.io/ios/app/hush-secret-text/id6761658175)
- [Renew Guard](https://appshunter.io/ios/app/renew-guard/id6761755447)
- [Receipt to PDF](https://appshunter.io/ios/app/receipt-to-pdf/id6761782025)
- [Route Your Pay](https://appshunter.io/ios/app/route-your-pay/id6761783719)
- [Tip Arbiter](https://appshunter.io/ios/app/tip-arbiter/id6761786879)

All apps by Robert Corbin: https://appshunter.io/developer/1890247992

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-13.*