Privacy Policy

1. Introduction

This Privacy Policy ("Policy") informs you about your choices and our practices regarding your personal data ("Information"). In this Policy, "Persie0", "we", "us", or "our" refers to Marvin Perzi, an individual developer based in Austria, operating under the brand name "Persie0".

This Policy applies to all iOS and Android mobile applications published by Persie0 (collectively the "Apps"), as well as all associated services, websites, or features that we may offer. By downloading, accessing, and/or using our Apps, you acknowledge that you have read and understood this Policy and agree to the collection, processing, use, and storage of your Information as described herein.

If you do not agree with this Policy, you must not use any of our Apps. If you change your mind in the future, you must stop using the Apps and can exercise your rights regarding your Information as set out in this Policy.

We are always striving to improve the information we provide to our users. If you have feedback on this Privacy Policy, please let us know via the contact details in Section 22.

2. Data Controller

Within the meaning of applicable data protection laws (including, but not limited to, the General Data Protection Regulation 2016/679 — the "GDPR" — and the Austrian Data Protection Act ("DSG")), the controller for your personal data is:

We decide why and how your Information is used and are therefore considered a "controller" under the GDPR and equivalent legislation. For certain third-party services integrated into our Apps (e.g., Appodeal for advertising), the third-party providers may act as independent controllers for the data they collect. Please consult their respective privacy policies for further details.

3. Information We Collect

We collect various types of information to provide and improve our Apps. The data we collect depends on the context of your interactions with us, your choices (including your privacy settings), and the features you use. Most data we collect comes directly from you or your device when you use our Apps.

3.1 Automatically Collected Information

When you install, access, or use our Apps, we may automatically collect or generate the following information about you and your device:

3.2 Information from Third Parties

We may receive information about you from third-party services integrated into our Apps, including:

• Advertising Partners (Appodeal and its demand partners): Advertising ID, information about your interactions with ads shown in our Apps (impressions, clicks, conversions), and inferred interest segments for ad personalization.
• App Store / Platform Providers (Google Play, Apple App Store): Transaction data for in-app purchases, including transaction ID, item purchased, currency, value, and timestamp.
• Analytics Providers: Aggregated or pseudonymized usage reports that help us understand user behavior and optimize features.

3.3 Information Provided Directly by You

We may collect information that you provide directly to us, including:

• Support and Feedback: When you contact us (e.g., via email), we collect your email address, name (if provided), and any other information you provide in your correspondence. We use this data solely to respond to your inquiry.
• User-Contributed Images (Optional): In certain apps (such as Resistor Scanner), you can explicitly choose to share images of recognized resistors with us or manually select an image from your gallery to send to us. We use these images to improve our recognition models and app accuracy.

3.4 Third-Party API Keys (Optional)

Some of our apps may require (for optional parts of the app) you to provide your own API keys from third-party providers (e.g., OpenWeatherMap, Google Gemini, or NVIDIA) to unlock specific features. If you decide to use these features:

• The API keys are stored locally on your device or only used for the duration of the session, depending on the App.
• Communication using these keys occurs directly between your device and the third-party service provider.
• We do not receive or collect any data from these third-party providers. Your interaction is exclusively between you and the respective third-party service.

4. Use of Your Information

We use the collected information for the following purposes:

4.1 Providing and Maintaining Our Apps

We use your Information to provide the core functionality of our Apps, including processing GPS data for location-based features, maintaining your settings, and ensuring technical compatibility with your device.

4.2 Improving and Optimizing Our Apps

It is in our legitimate interest to improve our Apps for our users. We analyze usage patterns, feature engagement, session data, and performance metrics to identify areas for improvement, develop new features, and optimize existing functionalities. We may also use anonymized and aggregated data for product development and research.

4.3 Personalized Advertising

Our Apps are advertising-funded. Subject to your consent (where required by law), we serve personalized advertising through our advertising partner Appodeal. This involves sharing certain device identifiers (GAID/IDFA), IP address, and usage data with Appodeal and its demand partners so they can show you interest-relevant ads and measure ad performance. You can object to personalized advertising at any time — see Section 6 for details.

4.4 Diagnostics, Stability, and Troubleshooting

We use Sentry to collect crash reports and diagnostic data in real-time. This helps us quickly identify, investigate, and fix bugs, crashes, and performance issues, ensuring a stable and reliable experience for all users.

4.5 Security and Fraud Prevention

We process information such as IP addresses and device identifiers to detect, prevent, and address fraud, unauthorized access, and other illegal or harmful activities that may affect our Apps or users.

4.6 Legal Compliance

We may process your Information as necessary to comply with applicable laws, regulations, legal processes, or enforceable governmental requests; enforce our terms of use and other agreements; protect our rights, property, or safety, or the rights, property, or safety of our users or the public.

4.7 Communication

If you contact us, we use the information you provide to respond to your questions, inquiries, or complaints. We do not use your email address for marketing or unsolicited communication.

5. Legal Bases for Processing (GDPR)

If you are located in the European Economic Area (EEA), the United Kingdom (UK), or Switzerland, we rely on the following legal bases under the GDPR to process your personal data:

6. Advertising

Our Apps are free to download and use. To support development and maintenance, our Apps display advertisements served by our advertising partner Appodeal.

6.1 How Advertising Works in Our Apps

When you use our Apps, non-personal identifiers such as the Google Advertising ID (GAID) on Android and/or the Identifier for Advertisers (IDFA) on iOS, along with other device and usage data, may be collected and shared with Appodeal and its network of demand partners (including, but not limited to, AdMob, Meta Audience Network, Unity Ads, ironSource, and others integrated via the Appodeal mediation platform).

6.2 Personalized vs. Non-Personalized Ads

With your consent (where required), Appodeal and its partners may use the collected data to create a profile of your preferences based on your activity and show you ads tailored to your interests ("personalized ads"). If you do not provide consent or withdraw it, you will still see ads in our Apps, but these will be non-personalized (i.e., not based on your behavioral profile or interests).

6.3 How to Opt Out of Personalized Advertising

You can opt out of personalized advertising at any time by adjusting your device settings:

• Android: Settings → Privacy → Ads → "Delete advertising ID" or "Opt out of Ad Personalization."
• iOS: Settings → Privacy & Security → Tracking → disable "Allow Apps to Request to Track", or Settings → Privacy & Security → Apple Advertising → disable "Personalized Ads."

You can also reset your Advertising ID in the settings mentioned above. Please note that opting out does not reduce the number of ads but only their relevance to you.

6.4 Appodeal Privacy Policy

Appodeal acts as an independent controller for the personal data it collects via its SDK integrated into our Apps. For detailed information on how Appodeal collects, uses, processes, and shares your data, please read the Appodeal Privacy Policy.

7. Third-Party Services

We rely on trusted third-party service providers to support us in operating and improving our Apps. These third parties may collect information used to identify you. Each third-party provider operates under its own privacy policy.

8. Data Sharing

We do not sell your personal Information. We share your Information only as described in this Policy or at the time of collection. Your data may be shared with:

• Service Providers: We share data with third parties that perform services on our behalf (e.g., ad mediation, analytics, crash reporting).
• Legal/Safety: We may disclose Information if required by law or to protect rights and safety.
• Business Transfer: If we sell or transfer our business, user Information may be among the assets transferred.

9. Cookies and Similar Technologies

Our Apps do not use traditional browser cookies. However, we and our partners (like Appodeal) use similar technologies such as Advertising IDs (GAID/IDFA) and local storage to store device-specific information and preferences. You can manage these identifiers in your mobile device settings as described in Section 6.3.

10. International Data Transfers

We are based in Austria. However, the third-party services we use (like Appodeal, Sentry, and RevenueCat) are headquartered in the United States and other countries outside the EEA/UK. This means your Information may be transferred to, stored, and processed in a country that may not provide the same level of data protection as your home country.

Where we transfer personal data outside the EEA, we ensure that appropriate safeguards are in place, such as:

• Adequacy Decisions: Transfers to countries recognized by the European Commission as providing an adequate level of data protection.
• Data Privacy Framework (DPF): Using the EU-U.S. Data Privacy Framework for certified American providers.
• Standard Contractual Clauses (SCCs): Using standard data protection clauses approved by the European Commission.

11. Data Retention

We retain your Information for as long as necessary to fulfill the purposes for which it was collected, as described in this Policy, or as required by law (e.g., for tax or accounting purposes). When the processing purpose no longer exists or the retention period expires, data is either deleted or anonymized.

11.1 In-App Account Deletion & Platform Requirements (Apple / Google)

In compliance with Apple's strict guidelines, we provide a direct, in-app function to delete your account for any App that offers account creation. When you trigger this deletion, we do not merely delete your profile on our end; we also instruct our data processors (specifically RevenueCat and Sentry) to permanently erase all associated user data.

Furthermore, the statements made in this Privacy Policy mirror precisely the information provided in the "Data Safety" form on the Google Play Console. This ensures complete transparency regarding data storage for analytics and advertising, thereby preventing any risk of App suspension.

12. Entire Agreement

This Privacy Policy constitutes the entire agreement between you and Persie0 regarding the processing of your personal data. Any previous agreements or understandings are superseded by this Policy.

13. Data Security & TLS/HTTPS Encryption

The security of your data is important to us. We strive to protect your personal information from loss, theft, misuse, unauthorized access, disclosure, alteration, and destruction.

13.1 Measures We Take

We implement appropriate technical and organizational measures (in accordance with Art. 25 GDPR) and follow industry-standard best practices to protect the confidentiality and integrity of your Information. These include:

• TLS Encryption with HTTPS: To ensure that data transmitted over the internet is secure from eavesdropping, we use state-of-the-art encryption. You can recognize this by the "https://" prefix and the padlock icon in your browser bar. This ensures that no third party can read confidential information.
• Access Controls: We restrict access to personal information to those who have a legitimate business need for it.
• Secure Infrastructure: Our third-party service providers (Sentry, Appodeal) maintain SOC 2 compliant or equivalent security programs.
• Minimization: We only collect the minimum data required for the purposes stated in this Policy.

13.2 Limitations

While we make every effort to protect your Information, no method of transmission over the internet or mobile networks is 100% secure. We cannot guarantee the absolute security of your data transmitted to our Apps, and any such transmission is at your own risk. Once we have received your Information, we use strict procedures and security features to prevent unauthorized access.

14. Your Data Protection Rights (GDPR)

If you are located in the European Economic Area (EEA), the United Kingdom (UK), or Switzerland, you have the following rights regarding your personal data under the GDPR and equivalent legislation. You can exercise these rights at any time by contacting us at persie0@protonmail.com.

We will respond to all legitimate requests within one month. Occasionally it may take longer if your request is particularly complex or you have made multiple requests. In this case, we will notify you and keep you updated. We may request information required to confirm your identity before responding to requests.

15. California Privacy Rights (CCPA/CPRA)

The provisions of this section apply to California residents under the California Consumer Privacy Act of 2018 (as amended by the California Privacy Rights Act of 2020) ("CCPA"). For the purposes of this section, "Personal Information" has the meaning defined in the CCPA and does not include publicly available, de-identified, or aggregated information.

15.1 Categories of Personal Information Collected

In the past 12 months, we may have collected the following categories of personal information through your use of our Apps:

15.2 Use of Personal Information

We collect personal information for the purposes described in Section 4 of this Policy: to operate the Apps, serve advertising, perform diagnostics, prevent fraud, and comply with legal obligations.

15.3 Sale / Sharing of Personal Information

We do not "sell" your personal information in the traditional sense (i.e., for money). However, under the broad definition of the CCPA, sharing identifiers (such as Advertising IDs) with advertising partners for the purpose of serving targeted advertising may be considered a "sale" or "sharing" of personal information. You have the right to opt out of this practice — instructions for adjusting your device settings can be found in Section 6.3.

15.4 Your Rights Under CCPA

If you are a California resident, you have the following rights:

• Right to Know: You can request disclosure of the categories and specific pieces of personal information we have collected about you, the sources from which they were collected, the business purpose for collection, and the categories of third parties with whom we share it.
• Right to Delete: You can request the deletion of your personal information collected by us, subject to certain exceptions (e.g., legal compliance, security).
• Right to Correct: You can request the correction of inaccurate personal information.
• Right to Opt-Out of Sale/Sharing: You can object to the "sharing" of your personal information for cross-context behavioral advertising by adjusting your device privacy settings.
• Right to Non-Discrimination: We will not discriminate against you for exercising your CCPA rights (e.g., by charging a different price, providing a different level of service, or denying goods or services).

15.5 Exercising Your Rights

To make a verifiable request for access, deletion, or correction of your personal information, please send us an email at persie0@protonmail.com. We will verify your identity by asking you to provide information that we can match with our records (e.g., device information, approximate date of first use). We strive to fulfill all verified requests within 45 days, with an extension of up to 45 additional days if necessary, accompanied by an explanation of the delay.

15.6 Do Not Track

There is no generally accepted standard for responding to "Do Not Track" browser signals. We currently do not respond to such signals.

15.7 Shine the Light

We do not rent, sell, or share personal information with non-affiliated companies for their direct marketing purposes within the meaning of California's "Shine the Light" law (Civil Code § 1798.83), unless you have given your consent.

16. Children's Privacy

Our Apps are not directed to children under 16 years of age (or 13 years in jurisdictions where this is the applicable age limit), and we do not knowingly collect personal data from them. We do not knowingly serve interest-based advertising to individuals under the age of 13.

If you are under 16 years of age, we strongly recommend that you obtain permission from a parent or guardian before using our Apps. You should also read this Policy together with your parents so that they can help you understand anything you may not understand.

If we learn that we have inadvertently collected personal data from a child under the appropriate age (16 in the EEA; 13 in the USA), we will take steps to delete that information as quickly as possible.

If you are a parent or guardian and believe your child may have submitted personal information to us without your consent, please contact us at persie0@protonmail.com and we will delete such data immediately.

17. Webhosting and Server Log Files

In order to provide our online presence and the web pages integrated into the Apps (such as this Privacy Policy) securely and with high availability, we use specialized hosting services.

18. Data Processing Agreement (DPA)

We often do not provide our services in isolation, but for reasons of efficiency and security, we rely on highly specialized service providers (for example, in the areas of cloud infrastructure, payment processing, or analytics). However, we never give up full control.

If such a service provider processes your personal data for us as instructed, it is referred to as a Processor according to the GDPR. We may only carry out this data transfer and external processing if a so-called Data Processing Agreement (DPA) according to Art. 28 GDPR has been signed. This contract forces the processor to apply identical security standards as we do, to fully guarantee data protection, and not to misuse your data for their own purposes.

19. Communication

If you wish to contact us, you generally have email or – depending on the offer – telephone or online forms at your disposal. In this context, you voluntarily transmit data to us such as your name, your email address, your telephone number, or other content contained in the message.

We store and use this information provided by you exclusively for the purpose of answering your inquiry, being able to process follow-up questions, or providing support. After completion of your request, the data will be deleted in a timely manner, unless we are legally forced to keep it longer (for example, for tax or commercial purposes).

The legal bases for this communication, depending on the situation, are your consent (Art. 6(1)(a) GDPR), the performance of a contract or pre-contractual measures (Art. 6(1)(b) GDPR), and our legitimate interest in a careful and complete response to your request (Art. 6(1)(f) GDPR).

20. Definitions

• Personal Data: Any information relating to an identified or identifiable natural person.
• Processing: Any operation performed on personal data, such as collection, storage, adaptation, or disclosure.
• Controller: The natural or legal person who determines the purposes and means of the processing of personal data.
• Processor: A natural or legal person who processes personal data on behalf of the controller.

21. Changes to this Policy

We may update this Privacy Policy from time to time to reflect changes in our practices or for other operational, legal, or regulatory reasons. We will notify you of any material changes by posting the new Policy in the Apps or on our website. You are advised to review this Policy periodically for any changes. Changes to this Policy are effective when they are posted on this page.

22. Contact & Complaints

If you have any questions or concerns about this Policy or our data practices, please contact us:

If you are located in the EEA, you also have the right to lodge a complaint with your local data protection authority. In Austria, the competent authority is the:

Österreichische Datenschutzbehörde
Barichgasse 40-42, 1030 Vienna, Austria
Email: dsb@dsb.gv.at
Website: www.dsb.gv.at

We will endeavor to resolve any issue you have directly, and we encourage you to contact us first.