# My Solar Panel vs Clarity

The clearest difference is ads: Clarity at none against My Solar Panel's shown. Clarity also leads on update cadence (every 2 days vs every 2 months). My Solar Panel's advantage is iOS requirement (13.2 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. My Solar Panel sells 2 in-app purchases, starting at $9.99 per month and Clarity sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

My Solar Panel ships an update every 2 months, Clarity every 2 days. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | My Solar Panel | Clarity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (110 ratings)](https://appshunter.io/ios/app/my-solar-panel/id1498356619/reviews)** | — |
| Number of ratings | **110** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 22 MB |
| Requires iOS | **13.2** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Igor Ilijovski](https://appshunter.io/developer/1492982127) | [Moon Shard Ltd](https://appshunter.io/developer/1892102269) |

## What reviewers say

### My Solar Panel

[App page](https://appshunter.io/ios/app/my-solar-panel/id1498356619)

Design and analyze solar photovoltaic systems on your smartphone. Get electricity generation estimates, payback periods, and detailed financial analyses for rooftop or commercial installations. Optimize your system for maximum output and make informed investment decisions.

**Highlights:** Design solar projects on mobile, Estimate electricity generation, Calculate payback period, Generate PDF reports, 3D panel simulator, Shading analysis, Financial analysis tools

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all features | $9.99 | per month |
| Unlock all features | $39.99 | per year |


### Clarity

[App page](https://appshunter.io/ios/app/clarity-second-brain-and-notes/id6788356314)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Clarity Plus Monthly | $4.99 | per month |
| Clarity Plus | $39.99 | per year |


## Frequently asked questions

### Is My Solar Panel free?

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

### Is Clarity free?

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

### Do My Solar Panel or Clarity have ads?

My Solar Panel shows ads; Clarity does not.

### Which is updated more often, My Solar Panel or Clarity?

My Solar Panel ships an update every 2 months, and Clarity every 2 days. Most recently, My Solar Panel was updated on October 24, 2026 and Clarity on October 15, 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.*