Blackr: OLED Screen Off

In-app purchases
4.8
3.5K reviews
500K+
Downloads
Content rating
PEGI 3
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About this app

🔲 Blackr simulates a screen off state over apps and does not stop them from running. Useful for turning display off while streaming videos, camera recording and various other use cases.

🌏 Installed by over 1 Million users globally!

⏺️ Simple and smart design makes it very easy and convenient to use. Works best with OLED & AMOLED displays that switch off any pixel displaying true black.

⬛ Can also be used as a pure black screen app, always on display (AOD) or simulated lock screen depending on the scenario.

🆓 Contains NO ADS at all and minimum permissions. Not even internet is requested. Designed with absolute user privacy and optimal battery usage in mind.

✨ FEATURES:
• Use notification, widgets or floating icon to start.
• Now with full black screen support everywhere.
• Keep apps running & screen essentially off.
• Supports quick tiles in notification bar.
• Highly customizable intuitive design.
• Clock toggle for pure black screen.
• Motion clock prevents screen burn in.
• Display date, time and battery (optional).
• Prevent device from sleeping (if needed).
• Small app size and extremely efficient app design.

🌟 ADVANCED FEATURES such as fixed icon position, modern icon design, unlock button to prevent accidental unlock and screen opacity control make the app super customisable to your liking and needs.

🚀 QUICK LAUNCH allows you to launch chosen apps with a simple tap or press. Making it convenient to use your favourite app with ease. Supports apps like YouTube, Netflix, Prime Video, Disney+ and many more.

🔒 UNLOCK STYLE allows advanced gestures to disable black screen mode to prevent accidental unlock. You can use either swipe up and down together, or upto four taps to unlock. Feature has come in place by popular user demand.

🌈 RGB LIGHTING which fades through different hues. You have to see it to believe how amazing it looks. Gives the design a modern aesthetic.

🟰 SYMMETRICAL CLOCK ensures the clock is moving only along the vertical axis for perfect symmetry yet avoiding any chances of burn in. Helping prolong the life of your screen.

Optional way to use the app is to add a Blackr button in the quick tile settings in device status bar (near wifi, bluetooth, etc). It works seamlessly any time!

App works by displaying a black overlay on top of the screen and on most modern displays black pixels are turned completely off, effectively turning the display off.

Technically, it is an overlay and your phone is not sleeping while this is on. So power reduction is mostly from less or no screen usage, and helpful to prevent screen burn in.

💫 Works best on OLED screens like AMOLED, PMOLED, QD-OLED and similar display technologies that switch off any pixel displaying true black. App will still work on any display though.

Runs optimal on devices like Google Pixel, Samsung Galaxy, Samsung Fold and Flip, OnePlus and more. Any device with OLED display will work great and just as intended.

Can also be used to reduce any burn-in on screens, as we change the lit pixels every minute, it acts as a good screen reset.

🏅 This app can be used in many scenarios like recording long videos, watching YouTube, Netflix, Prime video, etc. with screen off or streaming videos while listening to music only.

Moreover, users find it quite useful in keeping screen on or off manually rather than using the lock button during frequent use. The application is usable in countless scenarios.

🔷 8th Anniversary Feature Drop is now live. Thanks to all our amazing users for the endless love received. Enjoy!
Updated on
Nov 18, 2024

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection

Ratings and reviews

4.8
3.38K reviews
Deezee Dizzy
July 15, 2025
This app glows faintly in the dark. The black is not trully black. It could partially solve this by reducing the screen brightness while activated, but the only proper way to do this would be to draw a truly black screen. OLED black as it's known. I am running a benchmark for battery drain on my S25 Ultra and don't expect it to perform too well based on this alone. Fix it for 5 stars, but I'm searching for an alternative.
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Lash Knight
February 13, 2024
Absolutely worth it, very useful for not only battery life with wanting to only listen to videos, but sleeping as well. I don't need the premium features (the base app is what is needed for me, there's a ton of useful features, so it's not like other apps that are 'unusable unless you pay for it') but I am about to purchase them to give some money to the developers, as they definitely deserve it!
32 people found this review helpful
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Neximo Labs
February 13, 2024
Thanks for your kind feedback and support!
Thang Nguyen
July 6, 2025
Very nice! Almost Perfect... It would be perfect if after activating it with a quick setting tile the screen goes black immediately (some of your competition does that 😜 like blekip) For now after activating it with the tile, we have to pull the quick settings up again 😌
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What’s new

8th Anniversary Feature Drop:
• Full screen supported now!
• Brand new unlock feature.
• Screen opacity control.
• Major app overhaul.
• Bonus icon design.
• Improved UI and UX.
• Latest Android support.
• Optimisations and a lot more.