# Solar Panel Layout vs SolarCalc

The clearest difference is in-app purchases: SolarCalc at none against Solar Panel Layout's 2. SolarCalc also leads on update cadence (every 2 days vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Solar Panel Layout sells 2 in-app purchases, starting at $2.99 per month. SolarCalc asks for nothing beyond the download.

Solar Panel Layout ships an update weekly, SolarCalc every 2 days. The most recent releases landed on October 10, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Solar Panel Layout | SolarCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Size | 27 MB | 31 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Frederic Billon](https://appshunter.io/developer/1811407676) | [Mustafa CALISKANOZTURK](https://appshunter.io/developer/6791932527) |

## What reviewers say

### 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 |


### SolarCalc

[App page](https://appshunter.io/ios/app/solarcalc-pv-panel-and-battery/id6797648664)

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

**In-app purchases:** none


## Frequently asked questions

### Is Solar Panel Layout free?

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

### Is SolarCalc free?

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

### Do Solar Panel Layout or SolarCalc have ads?

Neither Solar Panel Layout nor SolarCalc shows ads.

### Which is updated more often, Solar Panel Layout or SolarCalc?

Solar Panel Layout ships an update weekly, and SolarCalc every 2 days. Most recently, Solar Panel Layout was updated on October 10, 2026 and SolarCalc on October 19, 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.*