# Ultrasonic Repeller vs Help Assist

The clearest difference is price: Help Assist at Free against Ultrasonic Repeller's $0.59. Help Assist also leads on rating (5.0 vs 3.6). Ultrasonic Repeller's advantage is update cadence (every 2 months vs every 21 months) and ratings volume (50 vs 2). On ads, in-app purchases, monetization model and device support there is nothing between them.

Help Assist is free to download; Ultrasonic Repeller costs $0.59 up front. Neither carries in-app purchases, so what you see is what you pay.

Help Assist holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: Ultrasonic Repeller has 50 ratings behind it against 2, so its average is the more settled of the two.

Ultrasonic Repeller ships an update every 2 months, Help Assist every 21 months. The most recent releases landed on October 26, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Ultrasonic Repeller | Help Assist |
| --- | --- | --- |
| Price | $0.59 | **Free** |
| Rating | [3.6 (50 ratings)](https://appshunter.io/ios/app/ultrasonic-repeller/id445318668/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/help-assist/id1614365987/reviews)** |
| Number of ratings | **50** | 2 |
| Positive reviews | 43.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 21 months |
| Monetization | Free | Free |
| Size | 2 MB | 3 MB |
| Requires iOS | 16.1 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aleksandr Balyberdin](https://appshunter.io/developer/336185043) | [WLADIMIR MEDINA](https://appshunter.io/developer/1519625116) |

## What reviewers say

### Ultrasonic Repeller

[App page](https://appshunter.io/ios/app/ultrasonic-repeller/id445318668)

This app uses ultrasound technology to create a protective barrier against insects, rodents, and aggressive dogs. It also offers features for personal space and experimental bat deterrence, with advanced controls and Apple Watch integration.

**Highlights:** Insect repellent, Rodent deterrent, Dog deterrent, Personal space protector, Apple Watch support, High-precision frequency generator, Background mode

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ✅ Effective on mosquitoes and insects
- ✅ Works on rodents when volume is high
- ✅ Free app with no cost
- ✅ Simple and intuitive interface
- ✅ Multiple pest settings available

**What reviewers complain about**

- ❌ Inconsistent effectiveness across different pests
- ❌ Doesn't work on dogs or older animals
- ❌ Requires high volume to be effective
- ❌ Limited range of effectiveness
- ❌ Effectiveness diminishes over time as pests adapt

**Reported bugs**

- App crashes on startup (multiple iOS versions)
- Incompatible with iOS 8 and older versions
- App force closes when screen is locked
- Crashes on iPhone 6s and later models
- No sound output on iPad 1

**Requested features**

- Add cat repeller mode
- Add bat repeller mode
- Add ant repeller mode
- Add fly repeller mode
- Add snake repeller mode


### Help Assist

[App page](https://appshunter.io/ios/app/help-assist/id1614365987)

This app helps users communicate by displaying words and phrases in various languages, which can then be spoken aloud. It's designed for travelers, those with speech difficulties, or anyone needing to bridge a language gap in everyday situations or emergencies.

**Highlights:** Display words by category, Pronounce words in chosen language, Supports English, Spanish, French, Chinese, Korean, Hindi, Intuitive tilt controls for navigation and pronunciation, Useful for travel and emergencies

**In-app purchases:** none


## Frequently asked questions

### Is Ultrasonic Repeller free?

Ultrasonic Repeller costs $0.59, with no in-app purchases.

### Is Help Assist free?

Help Assist is free to download, with no in-app purchases.

### Which has better reviews, Ultrasonic Repeller or Help Assist?

Help Assist is rated higher. Ultrasonic Repeller averages 3.6 out of 5 from 50 ratings, while Help Assist averages 5.0 from 2 ratings.

### Do Ultrasonic Repeller or Help Assist have ads?

Neither Ultrasonic Repeller nor Help Assist shows ads.

### Which is updated more often, Ultrasonic Repeller or Help Assist?

Ultrasonic Repeller ships an update every 2 months, and Help Assist every 21 months. Most recently, Ultrasonic Repeller was updated on October 26, 2026 and Help Assist 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.*