# Convertly vs Solar Panel Layout

The clearest difference is in-app purchases: Convertly at none against Solar Panel Layout's 2. Solar Panel Layout's advantage is update cadence (weekly vs every 5 months) and iOS requirement (15.0 vs 17.0). On price, 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. Convertly asks for nothing beyond the download.

Convertly ships an update every 5 months, Solar Panel Layout weekly. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Convertly | Solar Panel Layout |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Size | 2 MB | 27 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dt nova](https://appshunter.io/developer/1885201641) | [Frederic Billon](https://appshunter.io/developer/1811407676) |

## What reviewers say

### Convertly

[App page](https://appshunter.io/ios/app/convertly-unit-converter/id6761712654)

**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 Convertly free?

Convertly 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 Convertly or Solar Panel Layout have ads?

Neither Convertly nor Solar Panel Layout shows ads.

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

Convertly ships an update every 5 months, and Solar Panel Layout weekly. Most recently, Convertly was updated on October 6, 2026 and Solar Panel Layout on October 10, 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.*