# My Solar Panel vs PV Calculator Lite Version

The clearest difference is review sentiment: PV Calculator Lite Version at 100% against My Solar Panel's 43%. PV Calculator Lite Version also leads on in-app purchases (none vs 2) and ads (none vs shown). My Solar Panel's advantage is ratings volume (110 vs 2). On price, device support and iOS requirement there is nothing between them.

Both are free to download. My Solar Panel sells 2 in-app purchases, starting at $9.99 per month. PV Calculator Lite Version asks for nothing beyond the download.

PV Calculator Lite Version holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: My Solar Panel has 110 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 43% of My Solar Panel's written reviews are positive against 100% of PV Calculator Lite Version's.

My Solar Panel ships an update every 2 months, PV Calculator Lite Version every 10 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | My Solar Panel | PV Calculator Lite Version |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (110 ratings)](https://appshunter.io/ios/app/my-solar-panel/id1498356619/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pv-calculator-lite-version/id6459019012/reviews)** |
| Number of ratings | **110** | 2 |
| Positive reviews | 42.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 12 MB | 38 MB |
| Requires iOS | **13.2** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Igor Ilijovski](https://appshunter.io/developer/1492982127) | [Sven Schwertner](https://appshunter.io/developer/1700478261) |

## 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 |


### PV Calculator Lite Version

[App page](https://appshunter.io/ios/app/pv-calculator-lite-version/id6459019012)

Estimate the potential of solar energy generation at your location. This tool offers detailed calculations for electricity fed into the grid, purchased electricity, annual savings, and payback time. It features site-specific solar irradiance and hourly resolution for accurate production and storage planning.

**Highlights:** Calculate electricity fed into grid and purchased, Estimate annual savings and payback time, Site-specific solar irradiance data, Hourly resolution for production and storage, Define PV modules, inverters, and load profiles, Automatic optimal orientation determination, Roof area measurement and panel positioning

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

**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 PV Calculator Lite Version free?

PV Calculator Lite Version is free to download, with no in-app purchases.

### Which has better reviews, My Solar Panel or PV Calculator Lite Version?

PV Calculator Lite Version is rated higher. My Solar Panel averages 4.6 out of 5 from 110 ratings, while PV Calculator Lite Version averages 5.0 from 2 ratings.

### Do My Solar Panel or PV Calculator Lite Version have ads?

My Solar Panel shows ads; PV Calculator Lite Version does not.

### Which is updated more often, My Solar Panel or PV Calculator Lite Version?

My Solar Panel ships an update every 2 months, and PV Calculator Lite Version every 10 days. Most recently, My Solar Panel was updated on October 24, 2026 and PV Calculator Lite Version on October 24, 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.*