PRIVACY POLICY
Last updated July 4, 2026
This Privacy Notice for Anna-Anastasiia Balatska (doing business as MintQuery) (“we,” “us,” or “our”), describes how and why we might access, collect, store, use, and/or share (“process”) your personal information when you use our services (“Services”), including when you:
- Download and use our mobile application (MintQuery), or any other application of ours that links to this Privacy Notice
- Use MintQuery. MintQuery is a mobile app for learning data skills through short, interactive lessons and exercises. Users create an account, track their progress, earn points, and practice concepts through guided exercises. The app uses AI to provide personalized hints and explanations.
- Engage with us in other related ways, including any marketing or events
Questions or concerns? Reading this Privacy Notice will help you understand your privacy rights and choices. We are responsible for making decisions about how your personal information is processed. If you do not agree with our policies and practices, please do not use our Services. If you still have any questions or concerns, please contact us at anna@mintquery.app.
SUMMARY OF KEY POINTS
This summary provides key points from our Privacy Notice, but you can find out more details about any of these topics by clicking the link following each key point or by using our table of contents below to find the section you are looking for.
What personal information do we process? When you visit, use, or navigate our Services, we may process personal information depending on how you interact with us and the Services, the choices you make, and the products and features you use. Learn more about personal information you disclose to us.
Do we process any sensitive personal information? We do not process sensitive personal information.
Do we collect any information from third parties? We do not collect any information from third parties.
How do we process your information? We process your information to provide, improve, and administer our Services, communicate with you, for security and fraud prevention, and to comply with law. We may also process your information for other purposes with your consent. We process your information only when we have a valid legal reason to do so. Learn more about how we process your information.
How do we keep your information safe? We have adequate organizational and technical processes and procedures in place to protect your personal information. However, no electronic transmission over the internet or information storage technology can be guaranteed to be 100% secure, so we cannot promise or guarantee that hackers, cybercriminals, or other unauthorized third parties will not be able to defeat our security and improperly collect, access, steal, or modify your information. Learn more about how we keep your information safe.
What are your rights? Depending on where you are located geographically, the applicable privacy law may mean you have certain rights regarding your personal information. Learn more about your privacy rights.
How do you exercise your rights? The easiest way to exercise your rights is by emailing us at anna@mintquery.app. We will consider and act upon any request in accordance with applicable data protection laws.
TABLE OF CONTENTS
1. WHAT INFORMATION DO WE COLLECT?
Personal information you disclose to us
In Short: We collect personal information that you provide to us.
We collect personal information that you voluntarily provide to us when you register on the Services, express an interest in obtaining information about us or our products and Services, when you participate in activities on the Services, or otherwise when you contact us.
Personal Information Provided by You. The personal information that we collect depends on the context of your interactions with us and the Services, the choices you make, and the products and features you use. The personal information we collect may include the following:
- contact or authentication data
Sensitive Information. We do not process sensitive information.
Social Media Login Data. We may provide you with the option to register with us using your existing social media account details, like your Google account. If you choose to register in this way, we will collect certain profile information about you from the social media provider, as described in the section called “HOW DO WE HANDLE YOUR SOCIAL LOGINS?” below.
Application Data. If you use our application(s), we also may collect the following information if you choose to provide us with access or permission:
- Mobile Device Data. We automatically collect device information (such as your mobile device ID, model, and manufacturer), operating system, version information and system configuration information, device and application identification numbers, browser type and version, hardware model Internet service provider and/or mobile carrier, and Internet Protocol (IP) address (or proxy server).
This information is primarily needed to maintain the security and operation of our application(s), for troubleshooting, and for our internal analytics and reporting purposes.
All personal information that you provide to us must be true, complete, and accurate, and you must notify us of any changes to such personal information.
Information automatically collected
In Short: Some information — such as your Internet Protocol (IP) address and/or browser and device characteristics — is collected automatically when you visit our Services.
We automatically collect certain information when you visit, use, or navigate the Services. This information does not reveal your specific identity (like your name or contact information) but may include device and usage information, such as your IP address, browser and device characteristics, operating system, language preferences, referring URLs, device name, country, location, information about how and when you use our Services, and other technical information. We also collect your device's timezone (e.g., "America/Lima") to display progress and streak calculations correctly in your local time. This is derived from your device settings and is not precise location data. This information is primarily needed to maintain the security and operation of our Services, and for our internal analytics and reporting purposes.
Like many businesses, we also collect information through cookies and similar technologies. You can find out more in the "DO WE USE COOKIES AND OTHER TRACKING TECHNOLOGIES?" section below.
The information we collect includes:
- Log and Usage Data. Log and usage data is service-related, diagnostic, usage, and performance information our servers automatically collect when you access or use our Services and which we record in log files.
- Device Data. We collect device data such as information about your computer, phone, tablet, or other device you use to access the Services.
2. HOW DO WE PROCESS YOUR INFORMATION?
In Short: We process your information to provide, improve, and administer our Services, communicate with you, for security and fraud prevention, and to comply with law.
We process your personal information for a variety of reasons, depending on how you interact with our Services, including:
- To facilitate account creation and authentication and otherwise manage user accounts.
- To deliver and facilitate delivery of services to the user.
- To respond to user inquiries/offer support to users.
- To send administrative information to you.
- To identify usage trends.
- To save or protect an individual's vital interest.
3. WHAT LEGAL BASES DO WE RELY ON TO PROCESS YOUR PERSONAL INFORMATION?
In Short: We only process your personal information when we believe it is necessary and we have a valid legal reason (i.e., legal basis) to do so under applicable law, like with your consent, to comply with laws, to provide you with services to enter into or fulfill our contractual obligations, to protect your rights, or to fulfill our legitimate business interests.
If you are located in the EU or UK, this section applies to you. The General Data Protection Regulation (GDPR) and UK GDPR require us to explain the valid legal bases we rely on in order to process your personal information. As such, we may rely on the following legal bases to process your personal information:
- Consent. We may process your information if you have given us permission (i.e., consent) to use your personal information for a specific purpose. You can withdraw your consent at any time.
- Performance of a Contract. We may process your personal information when we believe it is necessary to fulfill our contractual obligations to you, including providing our Services or at your request prior to entering into a contract with you.
- Legitimate Interests. We may process your information when we believe it is reasonably necessary to achieve our legitimate business interests and those interests do not outweigh your interests and fundamental rights and freedoms.
- Legal Obligations. We may process your information where we believe it is necessary for compliance with our legal obligations, such as to cooperate with a law enforcement body or regulatory agency, exercise or defend our legal rights, or disclose your information as evidence in litigation in which we are involved.
- Vital Interests. We may process your information where we believe it is necessary to protect your vital interests or the vital interests of a third party, such as situations involving potential threats to the safety of any person.
If you are located in Canada, this section applies to you. We may process your information if you have given us specific permission (i.e., express consent) to use your personal information for a specific purpose, or in situations where your permission can be inferred (i.e., implied consent). You can withdraw your consent at any time.
4. WHEN AND WITH WHOM DO WE SHARE YOUR PERSONAL INFORMATION?
In Short: We may share information in specific situations described in this section and/or with the following third parties.
Vendors, Consultants, and Other Third-Party Service Providers. We may share your data with third-party vendors, service providers, contractors, or agents (“third parties”) who perform services for us or on our behalf and require access to such information to do that work.
The third parties we may share personal information with are as follows:
Anthropic
- Allow Users to Connect to Their Third-Party Accounts
Google account
- Functionality and Infrastructure Optimization
Supabase
- User Account Registration and Authentication
Google Sign-In and Supabase
Vercel
We also may need to share your personal information in the following situations:
- Business Transfers. We may share or transfer your information in connection with, or during negotiations of, any merger, sale of company assets, financing, or acquisition of all or a portion of our business to another company.
5. DO WE USE COOKIES AND OTHER TRACKING TECHNOLOGIES?
In Short: We may use cookies and other tracking technologies to collect and store your information.
We may use cookies and similar tracking technologies (like web beacons and pixels) to gather information when you interact with our Services. Some online tracking technologies help us maintain the security of our Services and your account, prevent crashes, fix bugs, save your preferences, and assist with basic site functions.
6. DO WE OFFER ARTIFICIAL INTELLIGENCE-BASED PRODUCTS?
In Short: We offer products, features, or tools powered by artificial intelligence, machine learning, or similar technologies.
As part of our Services, we offer products, features, or tools powered by artificial intelligence, machine learning, or similar technologies (collectively, “AI Products”). These tools are designed to enhance your experience and provide you with innovative solutions.
Use of AI Technologies
We provide the AI Products through third-party service providers (“AI Service Providers”), including Anthropic. As outlined in this Privacy Notice, your input, output, and personal information will be shared with and processed by these AI Service Providers to enable your use of our AI Products.
Our AI Products
Our AI Products are designed for the following functions:
How We Process Your Data Using AI
All personal information processed using our AI Products is handled in line with our Privacy Notice and our agreement with third parties. This ensures high security and safeguards your personal information throughout the process, giving you peace of mind about your data's safety.
AI Tutor Conversations
When you use the AI Tutor feature in MintQuery, we store the messages you send and the responses generated by the AI, along with information about which exercise you were working on at the time. We use this data to improve the tutor's quality, identify common questions and sticking points, fix bugs, and design better learning experiences. Messages are stored in our database and associated with your user account. They are also processed by our AI provider, Anthropic, to generate responses. For information about how Anthropic handles this data, see Anthropic's privacy policy.
7. HOW DO WE HANDLE YOUR SOCIAL LOGINS?
In Short: If you choose to register or log in to our Services using a social media account, we may have access to certain information about you.
Our Services offer you the ability to register and log in using your third-party social media account details (specifically, Google Sign-In). Where you choose to do this, we will receive certain profile information about you from your social media provider. The profile information we receive may vary depending on the social media provider concerned, but will include your name, email address, and profile picture.
We will use the information we receive only for the purposes that are described in this Privacy Notice or that are otherwise made clear to you on the relevant Services. Please note that we do not control, and are not responsible for, other uses of your personal information by your third-party social media provider. We recommend that you review their privacy notice to understand how they collect, use, and share your personal information, and how you can set your privacy preferences on their sites and apps.
8. IS YOUR INFORMATION TRANSFERRED INTERNATIONALLY?
In Short: We may transfer, store, and process your information in countries other than your own.
Our servers are located in the United States. Regardless of your location, please be aware that your information may be transferred to, stored by, and processed by us in our facilities and in the facilities of the third parties with whom we may share your personal information (see “WHEN AND WITH WHOM DO WE SHARE YOUR PERSONAL INFORMATION?” above), including facilities in the United States, and other countries.
9. HOW LONG DO WE KEEP YOUR INFORMATION?
In Short: We keep your information for as long as necessary to fulfill the purposes outlined in this Privacy Notice unless otherwise required by law.
We will only keep your personal information for as long as it is necessary for the purposes set out in this Privacy Notice, unless a longer retention period is required or permitted by law (such as tax, accounting, or other legal requirements). No purpose in this notice will require us keeping your personal information for longer than the period of time in which users have an account with us.
10. HOW DO WE KEEP YOUR INFORMATION SAFE?
In Short: We aim to protect your personal information through a system of organizational and technical security measures.
We have implemented appropriate and reasonable technical and organizational security measures designed to protect the security of any personal information we process. However, despite our safeguards and efforts to secure your information, no electronic transmission over the Internet or information storage technology can be guaranteed to be 100% secure, so we cannot promise or guarantee that hackers, cybercriminals, or other unauthorized third parties will not be able to defeat our security and improperly collect, access, steal, or modify your information. Although we will do our best to protect your personal information, transmission of personal information to and from our Services is at your own risk. You should only access the Services within a secure environment.
11. DO WE COLLECT INFORMATION FROM MINORS?
In Short: We do not knowingly collect data from or market to children under 18 years of age or the equivalent age as specified by law in your jurisdiction.
We do not knowingly collect, solicit data from, or market to children under 18 years of age or the equivalent age as specified by law in your jurisdiction, nor do we knowingly sell such personal information. By using the Services, you represent that you are at least 18 or the equivalent age as specified by law in your jurisdiction or that you are the parent or guardian of such a minor and consent to such minor dependent's use of the Services. If we learn that personal information from users less than 18 years of age has been collected, we will deactivate the account and take reasonable measures to promptly delete such data from our records. If you become aware of any data we may have collected from children under age 18, please contact us at anna@mintquery.app.
12. WHAT ARE YOUR PRIVACY RIGHTS?
In Short: Depending on your state of residence in the US or in some regions, such as the European Economic Area (EEA), United Kingdom (UK), Switzerland, and Canada, you have rights that allow you greater access to and control over your personal information. You may review, change, or terminate your account at any time.
If you have questions or comments about your privacy rights, you may email us at anna@mintquery.app.
13. CONTROLS FOR DO-NOT-TRACK FEATURES
Most web browsers and some mobile operating systems and mobile applications include a Do-Not-Track (“DNT”) feature or setting you can activate to signal your privacy preference not to have data about your online browsing activities monitored and collected. At this stage, no uniform technology standard for recognizing and implementing DNT signals has been finalized. As such, we do not currently respond to DNT browser signals or any other mechanism that automatically communicates your choice not to be tracked online.
14. DO UNITED STATES RESIDENTS HAVE SPECIFIC PRIVACY RIGHTS?
In Short: If you are a resident of a US state with a comprehensive consumer privacy law (such as California, Texas, or Virginia), you may have the right to request access to, correct, or delete the personal information we maintain about you, and to receive details about how we have processed it. To exercise these rights, email us at anna@mintquery.app.
15. DO WE MAKE UPDATES TO THIS NOTICE?
In Short: Yes, we will update this notice as necessary to stay compliant with relevant laws.
We may update this Privacy Notice from time to time. The updated version will be indicated by an updated “Revised” date at the top of this Privacy Notice. If we make material changes to this Privacy Notice, we may notify you either by prominently posting a notice of such changes or by directly sending you a notification. We encourage you to review this Privacy Notice frequently to be informed of how we are protecting your information.
Anna-Anastasiia Balatska
Lima, Lima
Peru
17. HOW CAN YOU REVIEW, UPDATE, OR DELETE THE DATA WE COLLECT FROM YOU?
Based on the applicable laws of your country or state of residence in the US, you may have the right to request access to the personal information we collect from you, details about how we have processed it, correct inaccuracies, or delete your personal information. You may also have the right to withdraw your consent to our processing of your personal information. These rights may be limited in some circumstances by applicable law. To request to review, update, or delete your personal information, please email us at anna@mintquery.app. You can also delete your account at any time directly in the app (Profile → delete account).
7. HOW DO WE HANDLE YOUR SOCIAL LOGINS?
In Short: If you choose to register or log in to our Services using a social media account, we may have access to certain information about you.