CoolLED1248

3.6
1.95K reviews
Content rating
Everyone
100K+
Downloads
Content rating
Everyone
Learn more
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About this app

Redefine the display screen form, subvert the traditional LED display screen, and choose from a variety of display screens.
[One-click word change]
Change the word on the phone, a magic tool for advertising. Rich text, templates, and border effects.
[Various materials]
Devil's eye, driving, festivals and other super materials are waiting for you to unlock. Built-in commercial advertisements,
[Multiple functions]
Not only supports multiple programs and multiple regions, but also supports animation, graffiti and other functions.
[Various scenes]
Various scenes such as windows, cars, mobile stalls, door heads, etc. are available to meet different needs.
Updated on
Apr 29, 2026

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

3.6
1.88K reviews
Dave Gombert
March 30, 2026
So discouraged. I used this app as the recommended solution for an LED hat I purchased. Works great and was able to control it, add custom logos that look great even though I'm not a great artist. Impressed a bunch of people at a major event. But tonight, my hours of effort into the animations is all gone. Whether it was a space issue on my phone or a recent update, I don't know but all animations, graffiti and programs are gone and have to be recreated from scratch. Very sad.
1 person found this review helpful
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yfxiong
March 31, 2026
can you describe in detail? my email is xiongyufeng7@gmail.com we discuss in detail. can you tell me the device name showed in the app's device page? and how the problem happened.
Travis Goodwin
July 7, 2020
If you're using an early model Pixel, don't bother. The app doesn't work even with location sharing on. You can connect immediately after installing the app, but never again. It will see the device but not connect to it. Usually is just crashes. I've upped my review to 2 stars to reflect that the app does work flawlessly on Apple devices, I'm just not so lucky with the Android app.
7 people found this review helpful
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yfxiong
July 7, 2020
I will check the problem you found
Joseph
March 8, 2025
Can't for the life of me upload .jt files to my CoolLEDX device (on Samsung S20 FE). It keeps returning the message "The imported data format is incorrect." I've even tested downloading a .jt from the app itself, making a copy of that file, and then attempting to re-upload it, and I'm getting that exact error despite the two files being identical. I cannot fathom what the issue is, but it sucks having to deal with it.
5 people found this review helpful
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yfxiong
March 13, 2025
Sorry, I will check this problem asap.

What’s new

1. Added support for the iLedFitness device
2. Other optimizations and upgrades
Content rating
Everyone
Learn more

App support

Phone number
+8618617069295
About the developer
ē†Šå®‡å³°
xiongyufeng7@gmail.com
é²ęŗŖé•‡åŒęŗŖę‘ēŸ³ē¢§50号 ę­¦å®åŽæ, ä¹ę±Ÿåø‚, 江脿省 China 518107

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