# Solar Panel Calculator Plus vs PV Calculator Lite Version

The clearest difference is review sentiment: PV Calculator Lite Version at 100% against Solar Panel Calculator Plus's 25%. PV Calculator Lite Version also leads on price (Free vs $2.99) and rating (5.0 vs 3.3). Solar Panel Calculator Plus's advantage is ratings volume (23 vs 2). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

PV Calculator Lite Version is free to download; Solar Panel Calculator Plus costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PV Calculator Lite Version holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: Solar Panel Calculator Plus has 23 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 25% of Solar Panel Calculator Plus's written reviews are positive against 100% of PV Calculator Lite Version's.

Solar Panel Calculator Plus ships an update every 47 months, PV Calculator Lite Version every 10 days. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Solar Panel Calculator Plus | PV Calculator Lite Version |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [3.3 (23 ratings)](https://appshunter.io/ios/app/solar-panel-calculator-plus/id1358184660/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pv-calculator-lite-version/id6459019012/reviews)** |
| Number of ratings | **23** | 2 |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 47 months | **Every 10 days** |
| Monetization | Paid | **Free** |
| Size | 8 MB | 38 MB |
| Requires iOS | **12.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Sven Schwertner](https://appshunter.io/developer/1700478261) |

## What reviewers say

### Solar Panel Calculator Plus

[App page](https://appshunter.io/ios/app/solar-panel-calculator-plus/id1358184660)

Calculate custom off-grid solar home power systems. Determine the exact number of solar panels and battery capacity needed for your energy usage. Helps plan system size, inverter requirements, and battery bank specifications.

**Highlights:** Calculate solar panel requirements, Determine battery capacity, Calculate inverter size, Estimate daily energy usage, Plan days of autonomy, Optimize battery life calculations

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

**In-app purchases:** none


### 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 Solar Panel Calculator Plus free?

Solar Panel Calculator Plus costs $2.99, with no in-app purchases.

### Is PV Calculator Lite Version free?

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

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

PV Calculator Lite Version is rated higher. Solar Panel Calculator Plus averages 3.3 out of 5 from 23 ratings, while PV Calculator Lite Version averages 5.0 from 2 ratings.

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

Neither Solar Panel Calculator Plus nor PV Calculator Lite Version shows ads.

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

Solar Panel Calculator Plus ships an update every 47 months, and PV Calculator Lite Version every 10 days. Most recently, Solar Panel Calculator Plus was updated on October 29, 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.*