# Frequency Sound Generator App vs Pest Shield

The clearest difference is monetization model: Pest Shield at free with in-app purchases against Frequency Sound Generator App's subscription. Pest Shield also leads on update cadence (fortnightly vs every 2 months). Frequency Sound Generator App's advantage is ratings volume (5.2K vs 3). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Frequency Sound Generator App sells 2 in-app purchases, starting at $5.99 per 7 days and Pest Shield sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Frequency Sound Generator App holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: Frequency Sound Generator App has 5.2K ratings behind it against 3, so its average is the more settled of the two.

Frequency Sound Generator App ships an update every 2 months, Pest Shield fortnightly. The most recent releases landed on November 1, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Frequency Sound Generator App | Pest Shield |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (5.2K ratings)](https://appshunter.io/ios/app/frequency-sound-generator-app/id1238160553/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/pest-shield/id6764494953/reviews) |
| Number of ratings | **5.2K** | 3 |
| Positive reviews | 66.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 36 MB | 136 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Min Ku](https://appshunter.io/developer/1204192873) | [Big East Technologies Inc.](https://appshunter.io/developer/1895806513) |

## What reviewers say

### Frequency Sound Generator App

[App page](https://appshunter.io/ios/app/frequency-sound-generator-app/id1238160553)

Generate sound frequencies from 1Hz to 25,000Hz with a simple interface. Features include wave visualization, adjustable sensitivity, and multiple waveform options. Use it for hearing tests, pet training, or as a prank tool.

**Highlights:** Frequency range 1Hz to 25,000Hz, Wave visualization, Adjustable sensitivity, Multiple waveforms (Sine, Square, Sawtooth, Triangle), Custom frequency range, Logarithmic and Linear slider modes

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access Weekly Plan | $5.99 | per 7 days |
| Unlimited Access Yearly Plan | $19.99 | per year |

**What reviewers like**

- 👍 Helpful for tinnitus
- 🚀 Accurate frequency generation
- 🎉 Great for meditation and relaxation
- 💡 Useful for testing speaker systems
- 🔍 Ability to test hearing range

**What reviewers complain about**

- 🐛 Difficulty adjusting precise frequencies
- 🔊 Extremely high frequencies can be painful
- 🔋 Stops playing when screen is locked
- 📢 Excessive ads
- 🤔 Mosquito repellent feature not effective

**Reported bugs**

- Frequency slider is overly sensitive
- Displayed frequency doesn't match actual output
- Inconsistent behavior between 'Play' and 'Mode' buttons

**Requested features**

- Option to save favorite frequencies
- Ability to type in specific frequency values
- Background playback support
- Paid ad-free version


### Pest Shield

[App page](https://appshunter.io/ios/app/pest-shield/id6764494953)

This app helps you manage unwanted mouse visitors using ultrasonic frequencies and realistic cat sounds. It also provides practical tips and a supportive community for users dealing with pest issues.

**Highlights:** Ultrasonic repellent sounds, Realistic cat sounds, Practical pest management tips, Supportive user community, Ad-free experience (Premium), All-night playback (Premium), Background playback (Premium)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pest Shield Premium Weekly | $4.99 | per 7 days |
| Pest Shield Premium Monthly | $11.99 | per month |
| Pest Shield Premium 3 Month | $23.99 | per 3 months |


## Frequently asked questions

### Is Frequency Sound Generator App free?

Frequency Sound Generator App is free to download, with in-app purchases available.

### Is Pest Shield free?

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

### Which has better reviews, Frequency Sound Generator App or Pest Shield?

Frequency Sound Generator App is rated higher. Frequency Sound Generator App averages 4.5 out of 5 from 5.2K ratings, while Pest Shield averages 4.3 from 3 ratings.

### Do Frequency Sound Generator App or Pest Shield have ads?

Both Frequency Sound Generator App and Pest Shield show ads.

### Which is updated more often, Frequency Sound Generator App or Pest Shield?

Frequency Sound Generator App ships an update every 2 months, and Pest Shield fortnightly. Most recently, Frequency Sound Generator App was updated on November 1, 2026 and Pest Shield on October 22, 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.*