Privacy Policy

For Castora (Android, package com.exo.castora) · Published by EXO Technologies Global Limited · Effective date: October 2, 2026 · Last updated: October 2, 2026

Summary

Castora is a free Android app that casts photos, videos and your screen from your phone to a TV on the same local network, using Google Cast (Chromecast, Android TV) and DLNA. It has no accounts, no sign-in and no in-app purchases.

The photos and videos you cast are streamed directly from your phone to your TV over your local network. They are never uploaded to our servers, and we never see them.

The app is supported by advertising (Google AdMob and its mediation partners). To show ads, measure how the app is used, and fix crashes, the app uses third-party SDKs from Google (AdMob, Firebase Analytics, Crashlytics, Remote Config), AppMetrica, Meta (Facebook) and TikTok. These SDKs collect device identifiers (including the Android advertising ID), approximate location derived from your IP address, app interactions, ad events, crash logs and diagnostics. In the EEA, UK and Switzerland we ask for your consent before personalized ads, and you can change your choice at any time in the app.

1. Who We Are

Castora (“the app”, “we”, “us”) is developed and published by EXO Technologies Global Limited, Suite C, Level 7, World Trust Tower, 50 Stanley Street, Central, Hong Kong. This Privacy Policy explains what information the app and its service providers collect, how it is used, and the choices you have. It applies to the Android version of the app (package com.exo.castora) distributed through Google Play.

2. Information We Collect

We do not ask you to create an account, and we do not collect your name, email address, phone number, contacts or precise (GPS) location. The following information is collected automatically by the SDKs built into the app:

CategoryExamplesCollected by
Device and advertising identifiersAndroid advertising ID (AD_ID), Firebase installation ID, SDK-generated app instance and device IDsGoogle AdMob and mediation partners, Firebase, AppMetrica, Meta, TikTok
Approximate locationCountry/region/city inferred from your IP address (no GPS)Google AdMob and mediation partners, Firebase, AppMetrica
App interactionsApp opens, screens viewed, features used (for example starting a cast), ad requests, impressions, clicks and ad revenue valuesFirebase Analytics, AppMetrica, Meta, TikTok
Crash logs and diagnosticsStack traces, app version, device model, OS version, memory and performance dataFirebase Crashlytics, AppMetrica, Google AdMob
Device and network informationDevice model, OS version, language, screen size, carrier/network type, IP addressAll of the SDKs listed above

The app does not send the photos or videos you cast, the contents of your screen, or the names of the TVs on your network to us or to these SDKs.

3. Casting, Your Media and the Local Network

Finding your TV. To show the TVs and receivers you can cast to, the app searches your local Wi-Fi network using standard discovery protocols (SSDP/UPnP for DLNA devices, and Google Cast discovery for Chromecast and Android TV). This discovery stays on your local network; we do not collect or upload the list of devices found.

Choosing media. You pick photos and videos through the Android system photo picker. The app can only access the items you select; it does not request broad access to your photo library or storage.

Streaming to your TV. When you cast a photo or video, the app makes that item available to your TV over your local network and the TV plays it directly from your phone. Your media is never uploaded to our servers or to the SDK providers listed in this policy. For Chromecast and Android TV, playback is handled by Google Cast under Google’s own terms and privacy policy.

DataWhy it is usedWhere it stays
Photos and videos you selectTo play them on the TV you choseOn your phone; sent only to your TV over your local network
TVs and receivers discovered on your networkTo let you pick where to castOn your phone
App settings (language, onboarding choices, consent status)To remember your choices between launchesApp private storage on your device

4. Screen Mirroring

If you choose to mirror your screen, the app uses Android’s screen capture feature (MediaProjection). Screen capture starts only after you start it and confirm Android’s system prompt, Android shows that your screen is being shared while it is active, and you can stop it at any time. The captured screen is sent only to the TV you selected over your local network. It is not recorded or stored by the app, and it is not uploaded to us or to any third party.

5. How We Use Information and Legal Bases

6. Advertising and Your Consent

The app shows ads served by Google AdMob, which may include banner, native, interstitial, app-open and optional rewarded ads. AdMob may fill ad requests through mediation partners, including AppLovin, Meta Audience Network, Pangle, Mintegral, Unity Ads, ironSource (Unity LevelPlay), Liftoff Monetize (Vungle), InMobi and Chartboost. These networks may use your advertising ID, IP address and device information to deliver and measure ads and, if permitted, to personalize them.

Consent (EEA, UK and Switzerland): before any ad is requested, the app shows Google’s consent message (User Messaging Platform) so you can accept or refuse personalized ads and related processing. You can change your choice later from the privacy options in the app’s settings.

Everywhere: you can reset or delete your advertising ID, or opt out of ads personalization, in your Android device settings (Settings → Google → Ads, or Settings → Privacy → Ads). Opting out does not remove ads, but they will be less relevant.

7. Service Providers and SDKs

ProviderPurposePrivacy policy
Google AdMob and User Messaging Platform (Google LLC)Ads, consent managementpolicies.google.com/privacy
Google Firebase Analytics, Crashlytics and Remote Config (Google LLC)Analytics, crash reporting, remote configurationfirebase.google.com/support/privacy
Google Cast (Google LLC)Casting to Chromecast and Android TV devicespolicies.google.com/privacy
AppMetricaInstall attribution, analytics, ad revenue measurementappmetrica.io (privacy terms linked there)
Meta Platforms (Facebook SDK App Events)Install and ad-event measurement for our Meta ad campaignsfacebook.com/privacy/policy
TikTok (TikTok Business SDK)Install and ad-event measurement for our TikTok ad campaignstiktok.com privacy policy
AdMob mediation partners (AppLovin, Meta Audience Network, Pangle, Mintegral, Unity Ads, ironSource, Liftoff Monetize, InMobi, Chartboost)Serving ads through AdMob mediationSee each partner’s privacy policy

Each provider processes data under its own privacy policy and, where applicable, as an independent controller.

8. Sharing and Sale of Information

We do not sell your personal information for money, and we do not share your photos, videos or screen content with anyone. Device identifiers, approximate location, app interactions and ad events are disclosed to the advertising and measurement providers listed above so that ads can be shown, measured and (with your consent where required) personalized. Under some US state laws this may be considered “sharing” for cross-context behavioral advertising; you can opt out as described in Advertising and Your Consent and Your Privacy Rights. We may also disclose information if required by law.

9. Data Retention and Deletion

Castora does not store copies of the media you cast or of your screen. App settings stay on your device until you clear the app’s data or uninstall the app. Data collected by the SDKs is retained by each provider under its own retention settings (for example, Firebase Analytics keeps event data for a limited period configured in our project). Because the app has no accounts, we cannot link SDK data to your name; to ask for deletion of data associated with your device, contact us with the details in Contact Us and reset your advertising ID.

10. Security

Data sent by the SDKs is encrypted in transit (HTTPS/TLS). Media and screen content you cast travel only over your local network to the TV you chose, so use a trusted Wi-Fi network when casting. On-device data is kept in the app’s private storage, which other apps cannot read. No method of transmission or storage is completely secure, but we use reasonable measures appropriate to the data involved.

11. Device Permissions

PermissionWhy
Internet, network state and Wi-Fi stateTo reach TVs on your local network, and to request ads and send analytics
Nearby Wi-Fi devices and Wi-Fi multicastTo discover TVs and receivers on your local network (SSDP/DLNA and Google Cast). The app does not use this to determine your location
Foreground serviceTo keep a cast or screen-mirroring session running while you use other apps, with a visible notification
Screen capture (MediaProjection)To mirror your screen to your TV, only after you start it and confirm Android’s system prompt
Notifications (optional)To show the cast-control notification so you can pause or stop casting. The app works if you decline
Advertising ID (com.google.android.gms.permission.AD_ID)Used by the ads and measurement SDKs as described above

The app does not request access to your camera, microphone, contacts or precise location. Photos and videos are opened only through the Android system photo picker, and only the items you select.

12. Children’s Privacy

Castora is not directed to children under 13 (or the equivalent minimum age in your country), and we do not knowingly collect personal information from children. If you believe a child has provided information through the app, contact us and we will help remove it.

13. Your Privacy Rights

Depending on where you live (for example under the GDPR in the EEA/UK or under US state privacy laws such as the CCPA/CPRA), you may have the right to access, correct, delete or port personal information, to object to or restrict processing, to withdraw consent at any time, and to opt out of the sale or sharing of personal information or of targeted advertising. You can exercise these rights by using the privacy options in the app’s settings, your device’s ad settings, or by emailing us. We will not discriminate against you for exercising your rights. You may also complain to your local data protection authority.

14. International Data Transfers

Our service providers may process information in countries other than yours, including the United States and other countries where they operate. Where required, they rely on appropriate safeguards such as the European Commission’s Standard Contractual Clauses.

15. Changes to This Policy

We may update this Privacy Policy when the app or the law changes. We will post the new version on this page and update the effective date. Significant changes will be highlighted in the app or on its store listing.

16. Contact Us

EXO Technologies Global Limited
Suite C, Level 7, World Trust Tower, 50 Stanley Street, Central, Hong Kong
Email: admin@exo.ltd