This security software specializes in preventing online fraud, which is difficult to detect with standard antivirus software, and protects you from financial and personal information theft caused by online fraud.
It detects various fraudulent websites you may encounter while browsing the web, including phishing scams, one-click scams, false alerts, and fake sales sites, protecting you from online fraud.

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■ About the Trial Period
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Miyaburu has a 30-day trial period.
All features are available during the trial period, but will be unavailable after the trial period ends.

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■ Main Types of Online Fraud Detected by Miyaburu
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1. Phishing Scams
Theft of IDs, passwords, and other personal information by posing as real companies

2. One-Click Fraud
Theft of fraudulent payments by falsely claiming to have signed up for a paid service

3. Fake Sales Sites
Fake products are not delivered after purchase, or inferior or counterfeit products are sent

4. Fake Warnings
Fake warning messages are displayed to encourage the purchase of fake security software or payment for virus removal

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■ Main Features
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1. Widely collects information on fraudulent and dangerous websites through collaboration with public institutions
2. Prevent online fraud with warning screens and detailed explanations
3. Blocks fraudulent and dangerous websites with a proprietary detection engine equipped with patented AI technology
4. Covers 10 types of fraudulent and dangerous websites, including phishing

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■ Miyabull's Unique Triple Block
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In addition to the traditional blacklist detection method, Miyabull also features heuristic detection and AI detection, exclusive to Miyabull. This triple block with three engines further strengthens detection capabilities.

[Blacklist Detection]
This defense uses a list of URLs confirmed through reports to public institutions and other sources. Miyabull will warn against URLs on the list. However, it cannot block different URLs, even if the site contains the same fraudulent content.

[Heuristic Detection]
Heuristic detection addresses the problem of blacklist detection, which cannot block different URLs, even if the site contains the same fraudulent content. It analyzes the characteristics of accumulated fraudulent sites and blocks them using a detection engine that automatically determines the content.

[AI Detection]
By using machine learning to automate the analysis and tuning of fraudulent sites, which is the basis of heuristic detection, we augment traditional heuristic detection and provide detection capabilities that can keep up with the rapid changes in criminal tactics.

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■ Compatible with various browsers, social media, and communication apps
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Compatible with browser apps like Chrome Browser and Y! Browser, as well as in-app browsers like Google, Gmail, Yahoo! JAPAN, LINE, X (formerly Twitter), Instagram, and Facebook.

Safely use your everyday apps.

[Support Status]

└Blacklist/Heuristic/AI Detection Supported
・Google Chrome
・Yahoo! JAPAN

└Blacklist Detection (Domain Only) Supported
・LINE
・Google
・Gmail
・Yahoo! JAPAN
・X (formerly Twitter)
・Instagram
・Facebook
・Messenger

[Note]
*Android versions prior to 10.0 are not supported.
*Due to updates to the supported apps, detection may not function properly for a certain period of time.

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■ About Usage Charges
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Miyabull is free for 30 days, but after that, a 30-day service fee of ¥210 (auto-renewing) will be charged via Google Play.
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■ Precautions for Use
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* Miyabull uses its proprietary detection technology to help determine the safety of websites. However, it does not legally determine whether a website is fraudulent or not. Please use the service at your own discretion.

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■ Operating Environment
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Supported OS: Android 10.0 or higher
Free Space: 10MB or more
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■ License Agreement
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https://miyabull.jp/rules/eula.html

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■ About Use of Accessibility Features
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This app uses the Accessibility Features to obtain the URL currently displayed in the browser in order to determine whether the web page being viewed is a dangerous site.
This Accessibility Features will not be used for any purpose other than those described below.

- Operation Monitoring
Used to monitor changes to the URL displayed in a supported browser.
- Window Content Acquisition
Used to acquire the URL displayed in a supported browser.

If the "Accessibility Features" in this app are not "ON," the function that identifies dangerous web pages will not function.
Please ensure that the "Accessibility Features" are "ON" when using the app.

*This content was created based on information current as of September 1, 2025. Future changes in price, specifications, version upgrades, etc. may result in changes in whole or in part to the content.