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Privacy Policy
MongleCam · Effective July 1, 2026
MongleCam (the "App") is a home camera service that connects two spare
phones — one as the camera (sender) and one as the monitor (viewer) — to
keep an eye on your space. The App's video and audio are transmitted
directly between the two devices (P2P) and are never stored on or viewed
by the operator's servers. The App is used without any account
registration.
1. Information We Collect and Process
The App processes the following information in order to provide the video
connection and notifications.
- Video and audio data: the camera video and microphone audio of the
sender device. It is streamed in real time to the viewer device; the
operator does not store or view it. Recordings and snapshots (paid)
are stored only within the viewer device.
- Device identification and authentication data: an anonymous device key
generated by the App, authentication tokens, and a push notification
token (FCM). These are not linked to personally identifying
information such as your name or phone number.
- Device status data: the device name you set, battery level, online
status, and last response time.
- Connection signaling data: session information and network candidate
addresses (such as IP addresses) used to connect the two devices. It
is consumed or expires once the connection is established.
- Sound detection events: the time at which the sender device detects a
sound on its own. The sound (audio) itself is not transmitted or
stored.
- Purchase information: subscription receipts and status (issued by the
store).
- Advertising identifier (free users): to display ads, the device's
Advertising ID is collected and sent to the ad provider (Google). It
is not linked to personally identifying information such as your name
or phone number, and no ads are shown to Premium subscribers.
The App does not collect information beyond the items above, such as
contacts, photo library, call logs, or location.
2. Purpose of Use
Video and audio data
Real-time video and audio between the sender and viewer devices, and two-way talk
Device identification and authentication data
Pairing and connection authorization between the two devices, and delivery of sound alerts
Device status data
Showing camera online status and battery, and determining connection availability
Connection signaling data
Establishing the video connection (WebRTC) between the two devices
Sound detection events
Sending an alert to the viewer device when a sound occurs and showing the history
Purchase information
Verifying the paid subscription ("Premium") status and providing features
Advertising identifier
Displaying and measuring ads for free users and preventing fraudulent clicks
3. How Video and Audio Are Handled (Important)
Video and audio are transmitted directly between the sender device and the
viewer device (WebRTC P2P). When the two devices are on the same network
(for example, the same Wi-Fi at home), no server is involved at all.
When the two devices are on different networks (remote viewing) and a
direct connection is difficult, the video may be relayed through a relay
server (TURN). In this case the video is transmitted with end-to-end
encryption (DTLS-SRTP), so even the relay server cannot know its
contents, and the operator does not store or view the video or audio.
4. Third-Party Services and Processing
The App does not sell your personal information to third parties. It uses
the following external services to operate.
- Google Firebase — connection signaling and device status storage
(Realtime Database), anonymous device authentication (Authentication),
issuance of pairing and connection tokens (Cloud Functions), sound
detection push notifications (Cloud Messaging), and app error
diagnostics (Crashlytics).
- Cloudflare Realtime (TURN) — relays encrypted video during remote
viewing. Short-lived credentials are issued per session, and the
relayed content is not stored.
- Google Play / App Store billing — payment and receipt verification for
paid subscriptions. The App does not collect payment method
information such as card numbers.
- Google AdMob (advertising) — used to serve ads to free users. In this
process the device's Advertising ID is collected and sent to Google,
and is processed and shared for ad delivery, measurement, and fraud
prevention. For details, see the
Google Advertising Policy.
You can reset or opt out of ad personalization in your device's
[Settings → Google → Ads], and ads and Advertising ID collection stop
when you subscribe to Premium.
5. Retention and Deletion
- Connection signaling data is cleaned up once the connection ends, and
old data is deleted automatically.
- Device key, pairing, and device status data are deleted when you unpair
or delete the App.
- Recorded video and snapshots are stored only within the viewer device
and are removed when you delete them in the App or delete the App.
6. Permissions
- Camera (required when sending): used to capture and transmit video.
- Microphone (required when sending / for audio): used to transmit audio
and to detect sound. Sound detection is processed only within the
device.
- Notifications (optional): used to display sound detection alerts.
- Display over other apps (optional): used to reliably start the capture
service when waking the camera remotely. The App works even if
denied.
- Battery optimization exemption (optional): used to keep long-running
capture from stopping midway.
You can change each permission at any time in your device's settings, and
you can still use the core features even if you deny an optional
permission.
7. Children's Privacy
The App may be used for purposes such as monitoring infants at home, but
it runs on the guardian's device and does not collect personal
information directly from children. Responsibility for those being filmed
lies with the user who installs and operates the device.
8. Your Rights
You can unpair within the App, delete stored recordings, or change
permissions, and you can stop all processing of your information by
deleting the App.
9. Privacy Officer and Contact
For inquiries regarding the processing of personal information, please
contact us below.
10. Changes to This Policy
This Privacy Policy may be amended in line with laws or changes to the
service, and any changes will be announced on this page.