# SolarCalc ROI vs Solar Setup

The clearest difference is in-app purchases: SolarCalc ROI at none against Solar Setup's 1. Solar Setup's advantage is update cadence (every 2 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Solar Setup sells 1 one-off in-app purchase. SolarCalc ROI asks for nothing beyond the download.

SolarCalc ROI ships an update every 2 weeks, Solar Setup every 2 days. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SolarCalc ROI | Solar Setup |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/solar-setup-off-grid-calc/id6771114823/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | — | Freemium |
| Size | 22 MB | 46 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Muhammed Celik](https://appshunter.io/developer/1885092121) | [Ammar Khatib](https://appshunter.io/developer/1613990135) |

## What reviewers say

### SolarCalc ROI

[App page](https://appshunter.io/ios/app/solarcalc-roi/id6762481553)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Solar Setup

[App page](https://appshunter.io/ios/app/solar-setup-off-grid-calc/id6771114823)

Effortlessly plan your off-grid solar system. This tool calculates panel, battery, and inverter needs based on your location, power usage, and desired backup days, providing cost and payback estimates.

**Highlights:** Off-grid solar sizing, Appliance catalog, Real sun-hours data, Battery science calculations, Inverter surge load handling, Cost and payback estimates, Save and compare setups

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solar Setup Pro | $6.99 | one-time |


## Frequently asked questions

### Is SolarCalc ROI free?

SolarCalc ROI is free to download, with no in-app purchases.

### Is Solar Setup free?

Solar Setup is free to download, with in-app purchases available.

### Do SolarCalc ROI or Solar Setup have ads?

Neither SolarCalc ROI nor Solar Setup shows ads.

### Which is updated more often, SolarCalc ROI or Solar Setup?

SolarCalc ROI ships an update every 2 weeks, and Solar Setup every 2 days. Most recently, SolarCalc ROI was updated on October 31, 2026 and Solar Setup on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*