# Solar ROI Calc — Payback & Savings

> Payback & Savings (iPhone/iPad app by Rizvan Adzhoian.)

- Source: https://appshunter.io/ios/app/solar-roi-calc/id6767838701 (this page in markdown: same URL + `.md`)
- Developer: [Rizvan Adzhoian](https://appshunter.io/developer/1891746079)
- Category: Utilities, Business
- Price: $0.99 with in-app purchases
- Age rating: 17+
- Requires: iOS 13.0 · 33 MB
- Languages: American English
- Released: 2026-05-11
- Data updated: 2026-09-08
- User reviews in markdown: https://appshunter.io/ios/app/solar-roi-calc/id6767838701/reviews.md

## What is Solar ROI Calc?

Solar ROI Calculator helps solar installers and homeowners evaluate the financial return of a residential or commercial PV system.

# Features
- System cost and size in kW
- Annual production estimate (kWh)
- Electricity rate ($/kWh) with annual escalation rate
- Federal Investment Tax Credit (ITC) and state incentives
- Annual maintenance cost
- Financing options: cash purchase or loan with custom term and interest rate
- Panel degradation rate per year
- Analysis period in years (e.g. 25-year warranty)
- Calculated outputs: net cost after incentives, year-1 savings, simple payback, total net savings, ROI %, LCOE, monthly loan payment, break-even year

# For
Solar sales reps, EPC contractors, homeowners, financial analysts, energy consultants.

# Optional Pro Upgrade - $2.99 one-time in-app purchase
Pro unlocks history, dark mode, PDF export with full financial breakdown, and removes ads. One-time purchase.

OPTIONAL PRO UPGRADE - $2.99 ONE-TIME IN-APP PURCHASE
The following features require a separate one-time in-app purchase. They are not required to use the calculator:
- Unlimited saved calculation history
- PDF export of results
- Dark theme
- Ad-free experience

## Pricing and in-app purchases

Base price: $0.99.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Pro Unlock | $2.99 | one-time |



## Version history (last 2 releases)

### 1.0.1 — 2026-05-14

- Fixed cross-app links: tapping another SolarTools app in More Tools now opens its App Store page on iPhone and iPad.
- Minor stability improvements.

### 1.0.0 — 2026-05-11

No release notes.

## More apps by Rizvan Adzhoian

- [Conduit Fill Calculator-NEC](https://appshunter.io/ios/app/conduit-fill-calculator-nec/id6761846849)
- [Electrical Load Calc NEC](https://appshunter.io/ios/app/electrical-load-calc-nec/id6763250945)
- [Transformer Calc NEC](https://appshunter.io/ios/app/transformer-calc-nec/id6763311943)
- [Voltage Drop Calc NEC](https://appshunter.io/ios/app/voltage-drop-calc-nec/id6763312448)
- [Grounding Size Calc NEC](https://appshunter.io/ios/app/grounding-size-calc-nec/id6763312724)
- [Breaker Size Calc NEC](https://appshunter.io/ios/app/breaker-size-calc-nec/id6763312865)

All apps by Rizvan Adzhoian: https://appshunter.io/developer/1891746079

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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 2026-09-08.*