# WingFrequency vs My Solar

The clearest difference is review sentiment: WingFrequency at 100% against My Solar's 38%. WingFrequency also leads on iOS requirement (11.0 vs 16.0). My Solar's advantage is price (Free vs $1.99). On update cadence, ads, in-app purchases and device support there is nothing between them.

My Solar is free to download; WingFrequency costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

WingFrequency ships an update every 53 months, My Solar every 57 months. The most recent releases landed on October 13, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | WingFrequency | My Solar |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | **100.0% of reviews** | 38.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 53 months** | Every 57 months |
| Monetization | Paid | **Ad-supported** |
| Size | 62 MB | 1 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Control-J](https://appshunter.io/developer/1205219823) | [Solar Analytics](https://appshunter.io/developer/1229560208) |

## What reviewers say

### WingFrequency

[App page](https://appshunter.io/ios/app/wingfrequency/id1205219824)

This app simplifies measuring glider wing frequency. Place your device on the wingtip, initiate the measurement, and gently rock the wing. The app automatically calculates and displays the resonant frequency, typically within 15 seconds and accurate to +/- 1 beat per second.

**Highlights:** Automatic frequency calculation, Uses device sensors, Stable measurement detection, Accurate to +/- 1 beat per second, Quick measurement (approx. 15 seconds)

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

**In-app purchases:** none


### My Solar

[App page](https://appshunter.io/ios/app/my-solar/id1229560209)

Track your rooftop solar system's performance and optimize your energy usage. Get personalized recommendations for energy plans, analyze your bills, and understand if a battery is a good investment. Monitor your savings and receive alerts for system attention.

**Highlights:** Personalized energy plan recommendations, Household energy usage tracking, Electricity bill analysis, Battery calculator, Solar savings monitoring, Automated alerts and notifications

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

**In-app purchases:** none


## Frequently asked questions

### Is WingFrequency free?

WingFrequency costs $1.99, with no in-app purchases.

### Is My Solar free?

My Solar is free to download, with no in-app purchases.

### Do WingFrequency or My Solar have ads?

Neither WingFrequency nor My Solar shows ads.

### Which is updated more often, WingFrequency or My Solar?

WingFrequency ships an update every 53 months, and My Solar every 57 months. Most recently, WingFrequency was updated on October 13, 2026 and My Solar on October 20, 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.*