NinjaCam: Camera in Background Android
NinjaCam: Camera in Background is #64 in Photography Grossing on Google Play in Japan and charting in 2 of 15 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperBackground Video Recorder DEV
CategoryPhotography
PriceFree
Released
Installs500k+
Rating★ 4.5 (3.4k)
Updated
Content ratingEveryone
Rating
4.5 ★
3.4k ratings
Measured
Best rank now
#64
Measured
NinjaCam: Camera in Background on Google Play
App details
App ID
fourthopt.aiocam
Publisher
전석환
Publisher country
South Korea
Content rating
Everyone
NinjaCam: Camera in Background downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in NinjaCam: Camera in Background before Apple and Google take their fee.
How this is calculated
Not in an overall Top Grossing chart, only in category charts: each category position is converted to the overall position it corresponds to, then priced on the same rank-to-revenue curve, inside the part of each market the charted apps leave over.
Business model: In-app purchase-led
How NinjaCam: Camera in Background makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Where it ranks on Google Play
Every top 200 chart it appears in across 15 countries.
| Country | Charts | Rank |
|---|---|---|
| PhotographyGrossing | #64 | |
| PhotographyGrossing | #51 |
Apps near NinjaCam: Camera in Background on the chart
Photography Grossing, around #64.
Ratings
Google Play, worldwide.
Rating
4.5 ★
3.4k ratings
Measured
Ratings
3.4k
Measured
Written reviews
51
Measured
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 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
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 in 4.1
• 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.
• 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.