# Solar Planner vs Solar PV System Designer

The clearest difference is in-app purchases: Solar PV System Designer at none against Solar Planner's 3. Solar PV System Designer also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.0). Solar Planner's advantage is update cadence (daily vs weekly). On price and device support there is nothing between them.

Both are free to download. Solar Planner sells 3 in-app purchases, starting at $3.99 per 7 days. Solar PV System Designer asks for nothing beyond the download.

Solar Planner ships an update daily, Solar PV System Designer weekly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Solar Planner | Solar PV System Designer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Weekly |
| Size | 7 MB | 222 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sophisticated Engineering UG (haftungsbeschrankt)](https://appshunter.io/developer/1439958289) | [Cepoi Mario](https://appshunter.io/developer/1575099437) |

## What reviewers say

### Solar Planner

[App page](https://appshunter.io/ios/app/solar-planner/id6739471101)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| worldwide - 1 week | $3.99 | per 7 days |
| worldwide - 1 month | $8.99 | per month |
| worldwide - 1 year | $89.99 | per year |


### Solar PV System Designer

[App page](https://appshunter.io/ios/app/solar-pv-system-designer/id6755193110)

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

**In-app purchases:** none


## Frequently asked questions

### Is Solar Planner free?

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

### Is Solar PV System Designer free?

Solar PV System Designer is free to download, with no in-app purchases.

### Do Solar Planner or Solar PV System Designer have ads?

Solar Planner shows ads; Solar PV System Designer does not.

### Which is updated more often, Solar Planner or Solar PV System Designer?

Solar Planner ships an update daily, and Solar PV System Designer weekly. Most recently, Solar Planner was updated on October 30, 2026 and Solar PV System Designer on October 25, 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.*