Privacy Policy
Information We Collect
We follow the principle of "data minimization" and only collect information necessary to provide and improve the App's functionality. Below is a detailed explanation of the types of data we collect and how we collect them.
1.1 Information We DO NOT Collect:
- —To protect your privacy, we explicitly do not collect the following information:
- —Personal identification information: name, address, phone number, email address
- —Your game content: ROM files, game content, game save data
- —Game behavior data: game progress, playtime, operation records, statistics
- —Precise geolocation: GPS coordinates or real-time location data
- —Sensitive personal data: contact lists, photos, health data, financial information
- —User-generated content
1.2 Automatically Collected Technical and Diagnostic Information:
To ensure app stability and improve user experience, we automatically collect the following technical information:
a) Device Information:
- —Device model, OS version, and app version
- —Language, region, and screen resolution
- —IDFV (anonymized in-app identifier, cannot track across apps)
b) App Usage Data:
- —Feature usage frequency and session duration
- —Performance metrics (frame rate, memory, CPU, etc.) for diagnostics and optimization
c) Crash and Error Reports (via Firebase Crashlytics):
- —We use Google Firebase Crashlytics service to automatically collect crash and error information, including:
- —Crash occurrence time and frequency
- —Crash stack traces (technical error logs)
- —Device state at time of crash (available memory, storage space, battery level)
- —Operation sequence before crash (de-identified technical operation records)
- —Operating system and app version information
This crash data is anonymous and does not contain any personally identifiable information. Firebase Crashlytics' data collection and processing complies with Google's privacy policy:
d) Network Information:
- —IP address (used only for server communication, not for user tracking or location)
- —Network type (Wi-Fi, cellular data)
- —Network carrier information (used only for diagnosing connection issues)
1.3 User-Provided Information:
- —In the following situations, you may actively provide us with information:
- —Customer Support: When you contact our customer support, we collect information you provide (problem description, device info, error screenshots, etc.)
- —Feedback and Surveys: If you participate in in-app surveys or submit feedback, we collect opinions and suggestions you voluntarily provide
- —In-App Purchases: Purchase information is processed by Apple; we only receive purchase confirmation information (transaction ID, purchased item, purchase status), not your payment information
1.4 Locally Stored Data:
- —The following data is stored locally on your device, protected by iOS sandbox mechanisms, and we cannot access:
- —Game ROM files
- —Game saves and quick saves
- —App settings and preferences
- —Key configurations and controller mappings
- —Game history and favorites list
This local data is protected by iOS system security; other apps cannot access it. You can delete all local data at any time by deleting the app.
How We Use Information
We use collected information only for the following legitimate purposes:
- —2.1 Provide and Maintain Services:
- —Operate and support the App's core functionality
- —Process in-app purchases and subscriptions (through Apple App Store)
- —Provide customer support and technical assistance
2.2 Improve and Optimize:
- —Analyze app performance and user experience
- —Identify and fix errors, crashes, and technical issues
- —Develop new features and improve existing ones
2.3 Security and Compliance:
- —Detect and prevent fraud, abuse, or illegal activities
- —Enforce our Terms of Service and policies
- —Comply with legal obligations and legal processes
2.4 Communication (if applicable):
- —Send important notices (such as policy updates, service changes)
- —Respond to your inquiries and support requests
We DO NOT use your information for:
- —Selling or renting to third parties
- —Creating user profiles or behavioral tracking
Information Sharing and Disclosure
We do not sell, rent, or trade your personal information. We only share information in the following circumstances:
- —3.1 Service Providers:
- —We may share necessary information with third-party service providers to support App operations:
- —Apple Inc.: for app distribution, payment processing, and App Store services
- —Cloud service providers: for hosting servers and data storage (if applicable, data is encrypted)
- —Analytics services: for aggregated app usage statistics (anonymized)
- —Crash reporting services: for diagnosing technical issues (no personal identification information)
All third-party service providers are contractually bound to process data only according to our instructions and take appropriate security measures.
3.2 Legal Requirements:
- —We may disclose your information in the following circumstances:
- —Comply with laws, regulations, legal processes, or government requirements
- —Enforce our Terms of Service and policies
- —Protect our rights, property, or safety, or that of users or the public
- —Prevent fraud, security threats, or illegal activities
3.3 Business Transfers:
If we participate in a merger, acquisition, bankruptcy, or asset sale, your information may be transferred as part of the transaction. We will notify you in advance and inform you of your choices regarding information processing.
3.4 With Consent:
Except as above, we will obtain your explicit consent before sharing your information.
Data Security
We take data security very seriously and employ reasonable technical and organizational measures to protect your information:
- —4.1 Technical Measures:
- —Data encryption: data in transit is encrypted using TLS/SSL; stored data uses industry-standard encryption algorithms
- —Access controls: strictly limit access to data to authorized personnel only
- —Security audits: regular security assessments and vulnerability scanning
- —Security infrastructure: use firewalls, intrusion detection systems, and other security technologies
4.2 Local Data Protection:
- —Your game files and saves are protected using iOS sandbox mechanisms; other apps cannot access them
- —You can further protect your device using device lock screen password or biometrics (Face ID/Touch ID)
4.3 Security Limitations:
Despite our best efforts, no internet transmission or electronic storage method is 100% secure. We cannot guarantee absolute security. If you discover a security vulnerability, please contact us immediately at security@zemu.app.
Data Retention
We only retain your information as long as necessary to fulfill the purposes described in this policy:
- —Technical data (crash reports, analytics data): typically retained for 12-24 months, then automatically deleted or anonymized
- —Customer support records: retained for 3 years after issue resolution, or longer if required by law
- —Local data: you can delete all locally stored data at any time by deleting the app
When data is no longer needed, we will securely delete or anonymize it.
Your Rights
Under applicable data protection laws, you have the following rights regarding your personal information:
6.1 Right of Access: You have the right to request a copy of information we hold about you.
6.2 Right to Rectification: You have the right to request correction of inaccurate or incomplete information.
6.3 Right to Erasure ('Right to be Forgotten'): In certain circumstances, you have the right to request deletion of your personal information.
6.4 Right to Restrict Processing: You have the right to request restriction of our processing of your information.
6.5 Right to Data Portability: You have the right to obtain your data in a structured, commonly used, machine-readable format.
6.6 Right to Object: You have the right to object to our processing of your information based on legitimate interests.
6.7 Right to Withdraw Consent: If we process information based on your consent, you have the right to withdraw consent at any time.
How to Exercise Your Rights:
Please send an email to privacy@zemu.app explaining your request. We will respond within 30 days. To verify your identity, we may need you to provide additional information.
Some requests may affect your ability to use the App. For example, deleting all data may prevent you from continuing to use the app.
Children's Privacy
7.1 Age Restriction:
The App is not directed at children under 13 (or a higher age specified in your jurisdiction). We do not knowingly collect personal information from children under 13.
7.2 Parental Notice:
If you are a parent or guardian and discover that your child has provided us with personal information, please contact us at privacy@zemu.app. We will promptly delete the relevant information after verification.
7.3 COPPA Compliance (United States):
If you are located in the United States, we comply with the Children's Online Privacy Protection Act (COPPA). We do not knowingly collect personal information from children under 13 unless we obtain verifiable parental consent.
7.4 Parental Controls:
We recommend parents use iOS's 'Screen Time' feature to monitor and limit their child's app usage. You can restrict in-app purchases and content access.
International Data Transfers
8.1 Data Storage Location:
Because we use global service providers (such as cloud services), your information may be transferred to and stored and processed in countries outside your country/region. These countries/regions may have different data protection laws than your location.
8.2 Safeguards:
- —When we transfer data, we take the following safeguards:
- —Use European Commission-approved Standard Contractual Clauses (SCCs)
- —Ensure recipients adopt appropriate data protection measures
- —Use encryption technology to protect data in transit
8.3 EU/UK Users:
- —If you are located in the European Economic Area (EEA), UK, or Switzerland, we comply with GDPR (General Data Protection Regulation). Our data processing is based on the following legal bases:
- —Contract performance: to provide services you requested
- —Legitimate interests: to improve the app and prevent fraud
- —Legal obligation: to comply with legal requirements
- —Consent: when required, obtain your explicit consent
8.4 California Residents (United States):
If you are a California resident, under the California Consumer Privacy Act (CCPA/CPRA), you have additional rights, including the right to know, right to delete, and right to opt-out of sale (we do not sell personal information). For details, contact privacy@zemu.app.
Third-Party Services and Links
We use the following third-party services to support app operations. These service providers may collect and process your information, subject to their respective privacy policies.
9.1 Google Firebase (Crash Analytics and Performance Monitoring):
- —Service Provider: Google LLC
- —Purpose: Collect crash reports, error logs, and performance data to help us diagnose and fix technical issues
- —Data Collected:
- —Device information (model, OS version)
- —Crash stack traces and technical logs
- —App version and session information
- —Anonymous identifiers (cannot be used for personal identification)
- —Data Storage Location: United States (Google Cloud Platform)
- —Privacy Policy:
- —Data Retention Period: 90 days (crash data), 6 months (performance data)
Important Note: Firebase Crashlytics does not collect your personal identification information, game content, or save data. All crash data is anonymized and aggregated. You can opt out of system-level crash reporting by turning off "Share iPhone Analytics" in iOS Settings.
9.2 Apple App Store / StoreKit:
Service Provider: Apple Inc. Purpose: App distribution, in-app purchases, subscription management Data Collected: Purchase transaction information, subscription status Privacy Policy:
9.3 Cloud Storage Services (if cloud sync is enabled):
If you choose to enable cloud sync (requires separate authorization), we may use: Service Provider: iCloud (Apple Inc.) Purpose: Sync game saves and settings across devices Data Collected: Game save files, app settings (encrypted storage) Privacy Policy:
Note: Cloud sync is optional and disabled by default. We will explicitly request your consent before enabling.
9.4 Third-Party Analytics Tools (may be added in the future):
We may add third-party analytics services in the future to better understand app usage. If we add new third-party services, we will update this Privacy Policy and notify you.
9.5 External Links and Third-Party Communities:
The App may contain links to external websites or services (such as customer support, social media, and gaming community forums). When you tap these links, you will leave the App via an external browser.
Important Notice:
- —The gaming community/forum accessible from this App is operated by an independent third party and is not part of this App
- —The operation, content moderation, user data collection, and processing of such third-party forum are entirely the responsibility of its operator
- —Any accounts you register, content you post, or personal information you provide on the third-party forum are not protected by this Privacy Policy
- —We bear no responsibility for the privacy practices, data security measures, or content moderation of any third-party forum
- —We do not transmit or share any of your data from this App with third-party forums
- —We bear no responsibility for any content posted by users on third-party platforms (including but not limited to text, images, links, or files)
When you tap a link to a third-party community within the App, we will clearly notify you that you are about to leave the App. If you do not agree with the third-party platform's privacy policy or terms of service, please do not proceed, to ensure your information remains secure.
Exercise caution when visiting external links and consult their respective privacy policies and terms of service.
Tracking Technologies, Identifiers, and Cookies
10.1 Local Storage Technologies:
- —The App uses iOS local storage technologies to save your preferences and app state:
- —UserDefaults: Store app settings, user preferences
- —File System (Sandbox): Store game ROMs, saves, configuration files
- —Core Data (if applicable): Store game library information and metadata
This data is stored entirely locally on your device and is not automatically transmitted to our servers or third-party services.
10.2 Device Identifiers:
We use the following identifiers for technical purposes:
a) IDFV (Identifier for Vendors):
- —Purpose: Associate crash reports from the same device for easier technical issue diagnosis
- —Characteristics: Limited to this app only, resets after app uninstall, cannot track across apps
- —Not used for: User profiling, cross-app tracking
b) Firebase Instance ID:
- —Purpose: Identify app instances for crash report correlation
- —Characteristics: Randomly generated, anonymous, not associated with personal identity
- —Management: You can reset this ID by reinstalling the app
Regarding Device Fingerprinting and Tracking:
Aside from the anonymous technical data that may be collected by the third-party SDKs disclosed in this policy (such as Firebase), we do not proactively build device fingerprints or cross-site user profiles. Please refer to Section 9 for the specific scope of data collection. We do not use IDFA (Advertising Identifier)
10.3 Analytics and Tracking Technologies:
- —a) Firebase Analytics (if enabled):
- —We may use Firebase Analytics to collect anonymous aggregated usage statistics:
- —Content Collected: App open count, feature usage frequency, user retention rate
- —Data Nature: Completely anonymous, aggregated, cannot identify individuals
- —Opt-out: iOS Settings > Privacy & Security > Analytics & Improvements > Turn off "Share iPhone Analytics"
b) Regarding Other Tracking Technologies:
Aside from the third-party services disclosed in Section 9 (such as Firebase), we do not proactively deploy advertising tracking pixels, social media tracking plugins, or standalone user-behavior fingerprinting systems
10.4 Cookies and Web Tracking:
- —Since the App is a native iOS application (not a web app), we do not use traditional cookies. However, we may use similar technologies:
- —Session identifiers: Maintain short-term session state (valid only while app is running)
- —Persistent identifiers: Maintain app settings (stored locally, not transmitted)
10.5 iOS Privacy Controls and Opt-Out:
You can manage privacy permissions and tracking preferences through iOS system settings:
a) App Tracking Transparency (ATT) Control:
- —Path: Settings > Privacy & Security > Tracking
- —Function: Control whether to allow apps to request tracking permission
- —Note: This app does not request ATT tracking permission
b) Analytics & Improvements:
- —Path: Settings > Privacy & Security > Analytics & Improvements
- —Function: Control whether to share analytics data with Apple and third parties (including us)
- —Recommendation: Turn off "Share iPhone Analytics" and "Share iCloud Analytics" to completely opt out
c) App-Specific Permissions:
- —Path: Settings > Zeta
- —Manageable Permissions: File access, notifications, background refresh
10.6 Special Rights for EU Users (GDPR):
If you are located in the EU/EEA, under GDPR Article 21, you have the right to object to our processing of your data (including analytics) at any time. Please email privacy@zemu.app to exercise this right.
Privacy Policy Changes
We may update this Privacy Policy from time to time to reflect changes in our practices, legal requirements, or feature updates.
11.1 Notification Methods:
- —If we make material changes (such as collecting new types of data, changing data usage), we will notify you through:
- —Posting a notice in a prominent location in-app
- —Email notification (if you provided one)
- —Displaying a popup reminder at app launch
11.2 Effective Date:
The modified policy will take effect 30 days after publication. Continued use of the App during this period indicates your acceptance of the new policy.
11.3 View Historical Versions:
You can view previous versions of the Privacy Policy on our website: zemu.app/privacy-history
The last updated date is displayed at the top of this policy.
Contact Us
If you have any questions, comments, or complaints about this Privacy Policy, or wish to exercise your data rights, please contact us through:
- —Privacy inquiries: privacy@zemu.app
- —Technical support and general questions: support@zemu.app
- —Official website:
We commit to responding within 30 business days of receiving your request. To protect your privacy and security, we may need you to provide additional information to verify your identity.
Thank you for trusting Zeta Emulator! We are committed to protecting your privacy and providing transparent data processing practices.