# PV Calculator. vs Solar Panel Layout

The clearest difference is update cadence: Solar Panel Layout at weekly against PV Calculator.'s every 7 months. PV Calculator.'s advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PV Calculator. sells 1 one-off in-app purchase and Solar Panel Layout sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

PV Calculator. ships an update every 7 months, Solar Panel Layout weekly. The most recent releases landed on August 20, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | PV Calculator. | Solar Panel Layout |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pv-calculator/id6758427564/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 52 MB | 27 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nanjibhai Gorasiya](https://appshunter.io/developer/1834066312) | [Frederic Billon](https://appshunter.io/developer/1811407676) |

## What reviewers say

### PV Calculator.

[App page](https://appshunter.io/ios/app/pv-calculator/id6758427564)

This tool simplifies solar photovoltaic system design and analysis for professionals and students. It offers a comprehensive Energy Hub with multiple calculators, providing instant results, visual charts, and clear insights for efficient PV system planning and optimization.

**Highlights:** Energy Hub with multiple solar calculators, Calculate solar panel power output, Analyze energy generation (daily, monthly, yearly), Design solar array size, Calculate system voltage and configuration, Instant calculation results, Visual charts and performance summaries

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime premium | $9.99 | one-time |


### Solar Panel Layout

[App page](https://appshunter.io/ios/app/solar-panel-layout/id6785808578)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $2.99 | per month |
| Pro | $17.99 | per year |


## Frequently asked questions

### Is PV Calculator. free?

PV Calculator. is free to download, with in-app purchases available.

### Is Solar Panel Layout free?

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

### Do PV Calculator. or Solar Panel Layout have ads?

Neither PV Calculator. nor Solar Panel Layout shows ads.

### Which is updated more often, PV Calculator. or Solar Panel Layout?

PV Calculator. ships an update every 7 months, and Solar Panel Layout weekly. Most recently, PV Calculator. was updated on August 20, 2026 and Solar Panel Layout on September 23, 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.*