
Lower Brightness Screen Filter
"Lower Brightness" can reduce screen brightness below system minimum brightness
Wormhole Space · nu.lower.brightness
- Same certificate as the 2 other versions checked Details
At a glance
- Latest version
- v2.2.0 (58)
- Updated
- Nov 25, 2025 (10 months ago)
- APK size
- 7.6 MB
- Requires
- Android 6.0+ (API 23)
- CPU support
- x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
- Category
- Tools (app)
- Listed since
- Aug 18, 2019 (at least)
- Permissions
- 15 (1 sensitive)
- Website
- wormholeapps.com
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Lower Brightness Screen Filter is an app by Wormhole Space in the Tools category, listed since at least August 2019. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.
Since version 1.9.12, the minimum Android version rose from 4.1 to 6.0. It asks for 15 permissions, 1 of them sensitive: display over other apps. Compared with version 1.9.13, it adds 6 new permissions: “Access adservices ad id”, “Access adservices attribution”, “Access adservices topics” and 3 more. The app can read the advertising ID that ad and analytics services use.
Ratings
Ratings from users of the source store — not collected or verified by AAPKs.
What's new in v2.2.0
Description
From the listing uploaded by “catappult”.
Version history
3 versions are listed, going back to v1.9.12. Since v2.2.0 it requires Android 6.0+.
Security & authenticity
Signing certificate
- Certificate issued to “Nu-Kob” Not the developer's name (“Wormhole Space”). Names in certificates can't be verified, so this alone proves nothing.
- Same certificate as the 2 other versions checked
Store checks and file details
- Developer signature verified Nov 25, 2025
- Signed byCN=Nu-Kob
- Signing certificate (SHA-1)50:80:1F:11:BD:1F:55:F1:61:6B:D0:ED:DD:0A:BB:2E:16:51:C4:41
- File MD5c368fa03e1680cf9a70b7ea78051362e
- Uploaded by “catappult” Platinum tier · 1,377 followers · uploading since 2018
Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (15)
Lower Brightness Screen Filter requests 15 permissions, 1 of them sensitive.
- Display over other apps Sensitive android.permission.SYSTEM_ALERT_WINDOW
- Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
- Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
- Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
- Action manage overlay permission android.permission.ACTION_MANAGE_OVERLAY_PERMISSION
- Advertising ID com.google.android.gms.permission.AD_ID
- Foreground service special use android.permission.FOREGROUND_SERVICE_SPECIAL_USE
- Full network access android.permission.INTERNET
- Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
- Internal broadcast protection (app-defined) nu.lower.brightness.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Run at startup android.permission.RECEIVE_BOOT_COMPLETED
- Run foreground services android.permission.FOREGROUND_SERVICE
- Show notifications android.permission.POST_NOTIFICATIONS
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
Lower Brightness Screen Filter APK: questions and answers
Is there a version of Lower Brightness Screen Filter for older Android phones?
The current version needs Android 6.0 or later. Version 1.9.13 is the newest listed build that installs on Android 4.4 and later. Get version 1.9.13 · All versions
Can I install this APK over the version I already have?
Only if it is signed with the same certificate as the copy on your phone and isn't an older version. If Android says “App not installed”, the certificates differ; uninstalling your copy first works but deletes its data unless it is backed up.
Is the Lower Brightness Screen Filter APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is c368fa03e1680cf9a70b7ea78051362e.