**Effective Date: May 22, 2026**
Welcome to **Smart Calculator** (hereinafter referred to as "this App").
We attach great importance to the protection of your personal information and privacy. This Privacy Policy is designed to explain how we collect, use, store, protect, and process your information. Please read and fully understand the contents of this policy before using this App.
By downloading, installing, using, or continuing to use this App, you signify that you have read, understood, and agreed to this Privacy Policy.
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# I. Basic App Information
App Name: Smart Calculator
Developer Email: [stardometech@gmail.com](mailto:stardometech@gmail.com)
App Type: Utility / Calculator App
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# II. Information We Collect
Smart Calculator is a basic calculation utility app. We adhere to the principle of "minimum necessity," collecting information only to the extent required to enable the App's functionality.
## 1. Information You Voluntarily Provide
Generally, this App does not require you to register an account, nor does it ask you to provide sensitive personal information such as your name, mobile phone number, or national ID number.
When you contact us via email, we may collect:
* Your email address
* The feedback content you send
* Other information you voluntarily provide
This information is used solely for the following purposes:
* Responding to your inquiries
* Processing user feedback
* Improving the App experience
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## 2. Automatically Collected Information
To ensure the proper functioning and stability of the App, we may automatically collect certain device information, including but not limited to:
* Device model
* Operating system version
* App version number
* Device language
* Crash logs
* Basic performance data
The aforementioned information is primarily used to:
* Fix software bugs
* Enhance stability
* Optimize user experience
* Prevent abnormal behavior
This information typically cannot be used to directly identify your personal identity. ---
# III. How We Use Information
The information we collect will be used solely for the following purposes:
* To provide and maintain application functionality
* To enhance application stability and performance
* To analyze application operational status
* To process user feedback and provide technical support
* To prevent abuse, fraud, or illegal activities
* To comply with legal and regulatory requirements
We will not use your personal information for any purposes unrelated to this application.
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# IV. Permissions Explained
In accordance with Android system requirements, this application requests only the following necessary permissions:
| Permission | Purpose |
| ---------------------- | -------------------------------------------------------------------- |
| Network Access (INTERNET) | Used for normal network connectivity, uploading error logs, and supporting related functions |
This application will not request permissions unrelated to its core computing functions—such as access to storage, contacts, the camera, the microphone, or location services.
Furthermore, this application will not access personal data stored on the user's device without the user's explicit authorization.
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# V. Third-Party Services Explained
During its operation, this application may utilize certain third-party technical services to support:
* Application stability analysis
* Crash log statistics
* Performance optimization
* Advertisement display (if included in future versions)
* Application distribution and updates
These third-party services may collect necessary device information in accordance with their own respective policies.
We will make reasonable efforts to ensure that such services comply with applicable privacy and security requirements.
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# VI. Information Storage and Security
We prioritize information security and implement reasonable measures to protect your data, including but not limited to:
* Data encryption
* Access controls
* Secure storage mechanisms
* Prevention of unauthorized access
Nevertheless, as no method of internet transmission or electronic storage is 100% secure, we cannot guarantee absolute security.
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# VII. Information Sharing and Disclosure
We will not sell, rent, or trade your personal information.
We will not disclose your information to third parties, except in the following circumstances:
## 1. With Your Explicit Authorization
We may share relevant information after obtaining your explicit consent.
## 2. As Required by Law or Regulation
We may disclose necessary information in accordance with the law, or when required by judicial authorities or government agencies.
## 3. For Security and Legitimate Purposes
We may disclose relevant information when necessary to protect the personal safety or property of users, developers, or the general public. ---
# VIII. Child Privacy Protection (Ages 13 and Up)
This application is intended for use by **users aged 13 and older**.
We do not knowingly collect personal information from children under the age of 13. If you are a child under the age of 13, please do not use this application.
If a guardian discovers that a child under the age of 13 has provided us with personal information, please contact us immediately via the following email address:
[stardometech@gmail.com](mailto:stardometech@gmail.com)
Upon verifying the situation, we will delete the relevant information as soon as possible.
For minor users aged 13 to 18, we recommend reading and using this application under the guidance of a guardian.
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# IX. User Rights
Subject to applicable laws and regulations, you may have the following rights:
* Access your information
* Correct your information
* Delete your information
* Withdraw authorization
* File complaints and provide feedback
To exercise any of the above rights, please contact us via email.
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# X. Updates to the Privacy Policy
We may update this Privacy Policy from time to time to reflect business developments, changes in laws and regulations, or adjustments to product features.
The updated policy will be published within the application or on relevant web pages.
If the updates involve significant changes, we will notify you through appropriate means.
Your continued use of this application constitutes your agreement to the updated Privacy Policy.
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# XI. Contact Us
If you have any questions, suggestions, or complaints regarding this Privacy Policy, please contact us via the following channels:
Email: [stardometech@gmail.com](mailto:stardometech@gmail.com)
We will respond to your inquiries within a reasonable timeframe.
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# XII. Governing Law
This Privacy Policy applies to the Smart Calculator application and its related services, and shall be interpreted and enforced in accordance with applicable laws and regulations.