# Mod Solar vs Solar Panel Layout

The clearest difference is iOS requirement: Solar Panel Layout at 15.0 against Mod Solar's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Mod Solar sells 2 in-app purchases, starting at $0.99 per 7 days 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.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 14, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Mod Solar | Solar Panel Layout |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 5 MB | 27 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Savio Colombo](https://appshunter.io/developer/1840266069) | [Frederic Billon](https://appshunter.io/developer/1811407676) |

## What reviewers say

### Mod Solar

[App page](https://appshunter.io/ios/app/mod-solar-panel-project/id6763965089)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $0.99 | per 7 days |
| Monthly Subscription | $2.99 | per month |


### 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 Mod Solar free?

Mod Solar 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 Mod Solar or Solar Panel Layout have ads?

Neither Mod Solar nor Solar Panel Layout shows ads.

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

Mod Solar ships an update weekly, and Solar Panel Layout weekly. Most recently, Mod Solar was updated on September 14, 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.*