NinjaCam: Camera in Background v3.7
Background Video Recorder DEVAbout this app
Developer Description
no required preview, no watermark, background video recorder, hide app, PIN etc
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
What's New
• Improved app stability.
• Fixed an error where the video recording date was displayed incorrectly.
In-app purchases
$0.99 - $12.99 per item
Version Information
- Version
- 3.7
- Downloads
- 100K+
- Updated on
- Dec 4, 2025
- Released
- Jan 20, 2020
- Requires
- Android 5.0
Statistics
Google Play Rating History
Rating Distribution
Downloads Over Time
NinjaCam: Camera in Background has been downloaded times. Over the past 30 days, it averaged downloads per day.
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NinjaCam: Camera in Background users say on Google Play
Does exactly what I want... to be able to start a video recording immediately by pressing the phone's Side Button (Samsung). Use is for recording any emergency situation and at least be able to speak a car's rego number into it. But now (V2.3) it always selects the Front (screen side) camera, no matter what setting I make [Edit: issue stated above is fixed, thanks Developer for instructions. Now working ok after reinstal.]
It is a good app it would be awesome it we had the function in the options to be able to take a picture by pushing or holding the volume down button
Not as good as it claims to be or doesnt really do what is listed on description. Its still a good cam to use just doesnt do all features as they say.
The app is good but whenever I start to move my phone the recording just freezes for the entire remainder of the recording. I'm not sure if this is a permissions issue or because I'm using another app that has to take pictures and scan barcodes but if the developer can give me a tip to fix this I'd rate 5 stars. I use the app to record customer interactions and proof of delivery so it's unusable for me when this happens.
30 minutes or 3 minutes, whatever, still ridiculous putting a recording limit on these apps, what the heck is half an hour useful for if you're trying to catch a thief? I'll give you a hint, ".... It's not."
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