# Grid Zero vs Solar Panel Layout

The clearest difference is in-app purchases: Grid Zero at none against Solar Panel Layout's 2. On price, update cadence, ads and device support there is nothing between them.

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

Grid Zero ships an update every 5 days, Solar Panel Layout weekly. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Grid Zero | Solar Panel Layout |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Size | 55 MB | 27 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gridzero](https://appshunter.io/developer/1896484252) | [Frederic Billon](https://appshunter.io/developer/1811407676) |

## What reviewers say

### Grid Zero

[App page](https://appshunter.io/ios/app/grid-zero/id6767530347)

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

**In-app purchases:** none


### 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 Grid Zero free?

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

### Is Solar Panel Layout free?

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

### Do Grid Zero or Solar Panel Layout have ads?

Neither Grid Zero nor Solar Panel Layout shows ads.

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

Grid Zero ships an update every 5 days, and Solar Panel Layout weekly. Most recently, Grid Zero was updated on September 24, 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.*