About NinjaCam: Camera in Background
NINJACAM is high quality background camera app that allows you to take photo and record video without the camera screen. Whether you're playing a game or use other apps, you can take high quality photo and record video...
NINJACAM is high quality background camera app that allows you to take photo and record video without the camera screen. Whether you're playing a game or use other apps, you can take high quality photo and record video even when your smartphone is off.
Have you been installed and used the camera app, the background video recorder or camcorder app, the gallery lock app, hide app separately? Now only one NINJACAM is enough.
* Features :
- High quality background photo camera & background video recorder / camcorder
- Additional camera mode & features
- Security for private photo / video gallery
- PIN lock support & Hide app features
[Foreground Service Usage Notice]
- This app uses a foreground service to enable video recording even when the screen is turned off.
- The user explicitly starts the recording, and a persistent notification is shown in the status bar while recording is in progress.
- In accordance with Android’s foreground service policy, this notification ensures that users are clearly aware of the ongoing functionality.
NINJACAM is a full-HD background camera app that lets you hide camera screen and you can take photos while using social media apps, games and other apps. It also provides general high quality camera functions for your convenience and additional camera mode such as black screen shooting mode.
NINJACAM allows you to continue to record high quality video even if you use other apps or turn off the device screen.
NINJACAM is a free camera app that manages your photo vault so no one else can see your precious photos and videos. You can import or export saved photo and video files from external storage.
NINJACAM allows you to set your PIN to prevent others from using your app and provides additional app hiding functions such as change the app icon and name, running a calculator and fake PIN code. Also you can safely hide app because the app usage history does not remain even when the app is closed.
* Detailed functions :
- Camera : auto focus, timer and flash, continuous shooting, front/rear camera, screen off shooting mode
- Background video recorder / camcorder : recording high quality video, specify the maximum recording time, mute sound, auto closing app after video recording
- Photo/video gallery vault : secure private photo and video album, import and export file function
- Security and Hide app : private PIN lock, change app name and icon, run calculator, fake PIN security code
- General : vibration on/off, timestamp, SD card storage support
* Required permissions :
- CAMERA : used to take background photo and background video recorder
- RECORD_AUDIO : used to record audio during background video recorder / camcorder
- WRITE_EXTERNAL_STORAGE : used to load/save photo and video file from external memory
Previous Versions
Here you can find the changelog of NinjaCam: Camera in Background since it was posted on our website on 2020-06-27 02:30:59.
The latest version is 4.1 and it was updated on 2026-10-12 16:25:41. See below the changes in each version.
NinjaCam: Camera in Background version 4.1
Updated At: 2026-09-05
Changes: • Added Home Cam Mode for caring for pets and babies.
• Added Album Credit-based photo enhancement, 2x upscaling, and photo/video date and time imprinting.
• Improved the overall UI design.
• Improved convenience and usability throughout the app.
NinjaCam: Camera in Background version 3.93
Updated At: 2026-07-29
Changes: • Updated to Google Play Billing Library 8.0.0.
• Supports Android 16 (API 36), system UI and new back navigation.
• Better camera, mic and notification permission recovery.
• Improved wide-angle (dual-camera) support options.
• Broad media access now uses the system picker.
• Fixed rare black video, audio loss and repeat delays.
• 20-file bulk select added to Private Album export/delete.
• Better permission icons and multilingual layouts.
• Privacy Policy added to FAQ.
NinjaCam: Camera in Background version 3.7.5
Updated At: 2026-04-06
Changes: [Hot Fix]
• Improved app stability.
NinjaCam: Camera in Background version 3.7
Updated At: 2025-12-04
Changes: [Hot Fix]
• Improved app stability.
• Fixed an error where the video recording date was displayed incorrectly.
NinjaCam: Camera in Background version 3.65
Updated At: 2025-09-07
Changes: [Hot Fix]
• Improved camera stability on the latest Android devices.
• Fixed wide-angle camera switching logic error.
• Fixed video recording errors occurring on some devices.
[New Features]
• Added an option in the Options menu to restore in‑app purchases and view restoration history.
NinjaCam: Camera in Background version 3.3
Updated At: 2025-08-29
Changes: The main changes in this update are as follows:
• Added support for Android 15 and optimized the UI (user interface) for the latest devices.
• To enhance privacy protection, changed the album’s storage method to improve stability.
• Optimized file size during video recording and improved playback stability.
• Increased recognition accuracy for wide‑angle (dual) cameras and fixed issues occurring on some devices.
We will continue working to provide better service.
NinjaCam: Camera in Background version 3.0
Updated At: 2025-03-23
Changes: Background photo and video camera app for free. High quality photo and video.
Disclaimer
Official Google Play Link
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