# My Solar Panel vs Sx3App

The clearest difference is price: My Solar Panel at Free against Sx3App's $9.99. My Solar Panel also leads on device support (3 vs 1) and iOS requirement (13.2 vs 17.6). Sx3App's advantage is in-app purchases (none vs 2) and ads (none vs shown). On update cadence there is nothing between them.

My Solar Panel is free to download; Sx3App costs $9.99 up front. My Solar Panel sells 2 in-app purchases, starting at $9.99 per month. Sx3App asks for nothing beyond the download.

My Solar Panel ships an update every 2 months, Sx3App every 3 months. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | My Solar Panel | Sx3App |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.6 (110 ratings)](https://appshunter.io/ios/app/my-solar-panel/id1498356619/reviews)** | — |
| Number of ratings | **110** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 1 MB |
| Requires iOS | **13.2** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Igor Ilijovski](https://appshunter.io/developer/1492982127) | [Emtron s.r.o](https://appshunter.io/developer/1453715625) |

## What reviewers say

### My Solar Panel

[App page](https://appshunter.io/ios/app/my-solar-panel/id1498356619)

Design and analyze solar photovoltaic systems on your smartphone. Get electricity generation estimates, payback periods, and detailed financial analyses for rooftop or commercial installations. Optimize your system for maximum output and make informed investment decisions.

**Highlights:** Design solar projects on mobile, Estimate electricity generation, Calculate payback period, Generate PDF reports, 3D panel simulator, Shading analysis, Financial analysis tools

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all features | $9.99 | per month |
| Unlock all features | $39.99 | per year |


### Sx3App

[App page](https://appshunter.io/ios/app/sx3app/id6467041210)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is My Solar Panel free?

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

### Is Sx3App free?

Sx3App costs $9.99, with no in-app purchases.

### Do My Solar Panel or Sx3App have ads?

My Solar Panel shows ads; Sx3App does not.

### Which is updated more often, My Solar Panel or Sx3App?

My Solar Panel ships an update every 2 months, and Sx3App every 3 months. Most recently, My Solar Panel was updated on October 24, 2026 and Sx3App on October 16, 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.*