# どこから？花火 vs Animal Deterrent

The clearest difference is ads: Animal Deterrent at none against どこから？花火's shown. Animal Deterrent also leads on update cadence (weekly vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

どこから？花火 ships an update every 3 weeks, Animal Deterrent weekly. The most recent releases landed on October 25, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | どこから？花火 | Animal Deterrent |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | — | Free |
| Size | 63 MB | 86 MB |
| Requires iOS | **14.0.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [ITSolutionZ Inc.](https://appshunter.io/developer/1625041772) | [诗琴 杨](https://appshunter.io/developer/1895174809) |

## What reviewers say

### どこから？花火

[App page](https://appshunter.io/ios/app/id6749356366)

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

**In-app purchases:** none


### Animal Deterrent

[App page](https://appshunter.io/ios/app/animal-deterrent/id6779087767)

This app provides science-based sound deterrents to keep dangerous animals away. It features a rich sound library, sound mixing capabilities, and smart recommendations based on animal sensory traits. Ideal for outdoor activities and home defense.

**Highlights:** Science-based sound deterrents, Rich sound library with 6 animal categories, Sound mixer for layered deterrents, Pro volume control with decibel estimation, Flexible continuous and interval play modes, Smartwatch integration for remote control

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

**In-app purchases:** none


## Frequently asked questions

### Is どこから？花火 free?

どこから？花火 is free to download, with no in-app purchases.

### Is Animal Deterrent free?

Animal Deterrent is free to download, with no in-app purchases.

### Do どこから？花火 or Animal Deterrent have ads?

どこから？花火 shows ads; Animal Deterrent does not.

### Which is updated more often, どこから？花火 or Animal Deterrent?

どこから？花火 ships an update every 3 weeks, and Animal Deterrent weekly. Most recently, どこから？花火 was updated on October 25, 2026 and Animal Deterrent on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*