# 防犯ボイス vs Stalker Deterrent

The clearest difference is in-app purchases: Stalker Deterrent at none against 防犯ボイス's 1. 防犯ボイス's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 防犯ボイス sells 1 in-app purchase, starting at $0.29 per month. Stalker Deterrent asks for nothing beyond the download.

## The numbers

| Metric | 防犯ボイス | Stalker Deterrent |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | — |
| Size | 14 MB | 7 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Takahiko Inada](https://appshunter.io/developer/1749186118) | [satoshi amasaki](https://appshunter.io/developer/1891268722) |

## What reviewers say

### 防犯ボイス

[App page](https://appshunter.io/ios/app/id6742489235)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム版 | $0.29 | per month |


### Stalker Deterrent

[App page](https://appshunter.io/ios/app/stalker-deterrent/id6771247559)

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

**In-app purchases:** none


## Frequently asked questions

### Is 防犯ボイス free?

防犯ボイス is free to download, with in-app purchases available.

### Is Stalker Deterrent free?

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

### Do 防犯ボイス or Stalker Deterrent have ads?

Stalker Deterrent shows ads; 防犯ボイス does not.

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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.*