Ultrasonic Repeller vs Shutter Safe
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ultrasonic Repeller
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.
- Insect repellent
- Rodent deterrent
- Dog deterrent
- Personal space protector
- Apple Watch support
- High-precision frequency generator
- Background mode
Read full descriptionHide full description
Discover the power of ultrasound technology right in your pocket! Ultrasonic Repeller is a revolutionary app that transforms your iPhone into the ultimate protection device against a wide range of unwanted encounters. Key Features: Insect Repellent: Say goodbye to pesky mosquitoes and other bothersome insects. Rodent Deterrent: Keep mice and rats at bay with powerful ultrasonic frequencies. Dog Deterrent: Safely discourage aggressive dogs without harm. Personal Space Protector: Maintain your personal bubble in crowded spaces. Experimental Bat Repellent Mode: Test our cutting-edge technology designed to deter flying mammals. Advanced Functionality: EXCLUSIVE! Apple Watch Support: Take your protection to the next level with our Apple Watch app, allowing for quick and discreet activation right from your wrist! NEW! High-Precision Frequency Generator: Fine-tune your deterrent signals with our advanced, newly implemented frequency control system. Background Mode: Continuous protection even when your phone is locked. Live Activity Support: Quick access to controls from your lock screen. Dynamic Island Integration: Seamless monitoring on compatible iPhone models. Ultrasonic Repeller is incredibly user-friendly and absolutely ad-free! No need to invest in expensive hardware devices. Your iPhone, combined with our app, provides all the protection you need. Experience the future of personal safety and pest control. Download Ultrasonic Repeller now and take control of your environment!
Shutter Safe
This app helps photographers catalog and manage their camera gear. Securely store details like make, model, and serial numbers for all your equipment. Keep a reliable record of your cameras, lenses, and accessories for insurance and safekeeping.
- Catalog gear with make, model, and type
- Save serial numbers for insurance
- Organize cameras, lenses, and accessories
- Quickly search and update collection
- Lightweight, fast, and intuitive design
Read full descriptionHide full description
Shutter Safe is a lightweight inventory app designed for photographers. Whether you’re a hobbyist or a professional, this app makes it easy to securely manage your collection of cameras, lenses, and accessories. Add make, model, and serial numbers for each item so you always have a reliable record of your gear.vCatalog your gear with make, model, and type. Save serial numbers for insurance and safekeeping, organize cameras, lenses, and accessories in one place, quickly search and update your collection, lightweight, fast, and intuitive design, your gear, always at your fingertips.
Screenshots
Verdict
The clearest difference is price: Shutter Safe at Free against Ultrasonic Repeller's $0.59. Shutter Safe also leads on rating (5.0 vs 3.6) and update cadence (every 4 weeks vs every 2 months). Ultrasonic Repeller's advantage is ratings volume (51 vs 1) and iOS requirement (16.1 vs 27.0). On ads, in-app purchases, monetization model and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Shutter Safe is free to download; Ultrasonic Repeller costs $0.59 up front. Neither carries in-app purchases, so what you see is what you pay.
Shutter Safe holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: Ultrasonic Repeller has 51 ratings behind it against 1, so its average is the more settled of the two.
Ultrasonic Repeller ships an update every 2 months, Shutter Safe every 4 weeks. The most recent releases landed on October 18, 2026 and October 11, 2026 respectively.
| Parameter | Ultrasonic Repeller | Shutter Safe |
|---|---|---|
| Price | $0.59 | Free — better |
| Rating | 3.6 (51 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 43.6% of reviews | — |
| Number of ratings | 51 — better | 1 |
| Update frequency | Every 2 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, Apple Watch — better | iPhone |
| Requires iOS | 16.1 — better | 27.0 |
| Further details — not scored | ||
| Size | 2 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Aleksandr Balyberdin | Calvin Fraites |
Customer experience
Ultrasonic Repeller
Shutter Safe
Bugs and requests
Ultrasonic Repeller
Reported bugs
9 issues- 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
Show 4 moreShow fewer
- App doesn't open or loads to grey screen
- Volume controls not accessible in app
- Flickers and immediately closes
- Compatibility issues with various iOS versions
Requested features
10 requests- Add cat repeller mode
- Add bat repeller mode
- Add ant repeller mode
- Add fly repeller mode
- Add snake repeller mode
Show 5 moreShow fewer
- Background operation when screen locked
- Better volume control interface
- External speaker integration
- Continuous operation mode
- User instructions and support documentation
Shutter Safe
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Ultrasonic Repeller
No in-app purchases
Shutter Safe
No in-app purchases
Questions
Is Ultrasonic Repeller free?
Is Shutter Safe free?
Which has better reviews, Ultrasonic Repeller or Shutter Safe?
Do Ultrasonic Repeller or Shutter Safe have ads?
Which is updated more often, Ultrasonic Repeller or Shutter Safe?
Other comparisons
