# WingFrequency vs Empress Restaurant

The clearest difference is review sentiment: WingFrequency at 100% against Empress Restaurant's 0%. WingFrequency also leads on device support (3 vs 1) and iOS requirement (11.0 vs 16.4). Empress Restaurant's advantage is price (Free vs $1.99) and update cadence (every 2 months vs every 53 months). On ads and in-app purchases there is nothing between them.

Empress Restaurant 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, Empress Restaurant every 2 months. The most recent releases landed on September 28, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | WingFrequency | Empress Restaurant |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 53 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 62 MB | 65 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Control-J](https://appshunter.io/developer/1205219823) | [Mango Digital Pty LTD](https://appshunter.io/developer/1781781544) |

## 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


### Empress Restaurant

[App page](https://appshunter.io/ios/app/empress-restaurant/id1605739797)

Easily browse the menu, place orders, and earn rewards with this restaurant's official app. Enjoy a seamless dining experience with exclusive access to specials and promotions.

**Highlights:** Browse menu, Place orders, Earn points, Redeem rewards, Exclusive specials, Promotions access

**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 Empress Restaurant free?

Empress Restaurant is free to download, with no in-app purchases.

### Do WingFrequency or Empress Restaurant have ads?

Neither WingFrequency nor Empress Restaurant shows ads.

### Which is updated more often, WingFrequency or Empress Restaurant?

WingFrequency ships an update every 53 months, and Empress Restaurant every 2 months. Most recently, WingFrequency was updated on September 28, 2026 and Empress Restaurant on October 8, 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.*