
At a glance
- Latest version
- v2.0 (12)
- Updated
- Jul 11, 2026 (3 months ago)
- APK size
- 7.9 MB
- Requires
- Android 5.0+ (API 21)
- CPU support
- Any (no native code)
- Category
- Tools (app)
- Permissions
- 13
- Website
- coolexpapps.com
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Light Meter - Lux Meter is an app by Coolexp in the Tools category. It has no native code, so it runs on any Android processor.
Since version 1.9, the APK shrank from 15 MB to 7.9 MB. It asks for 13 permissions, none of them sensitive. It asks for the same permissions as version 1.9. The app offers in-app purchases through Google Play and can read the advertising ID that ad and analytics services use.
Description
From the listing uploaded by “appupdater”.
Version history
2 versions are listed, going back to v1.9.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Jul 11, 2026.
- Certificate from Google Play App Signing Google keeps the signing key for the developer, so the certificate carries Google's name.
- Same certificate as the other version checked
Store checks and file details
- Developer signature verified Jul 11, 2026
- Validated against Google Play Jul 11, 2026
- Signed byCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
- Signing certificate (SHA-1)AE:A8:16:99:F4:8E:5D:91:DD:78:E4:F5:5C:0E:C7:7A:7A:A3:DB:18
- File MD557f1e78a86deeab1d2aba67aa57b8f76
- Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020
Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (13)
Light Meter - Lux Meter requests 13 permissions, none of them sensitive.
- 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
- Advertising ID com.google.android.gms.permission.AD_ID
- Change wifi state android.permission.CHANGE_WIFI_STATE
- Full network access android.permission.INTERNET
- Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
- In-app purchases (Google Play Billing) com.android.vending.BILLING
- Internal broadcast protection (app-defined) com.lux.light.meter.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Run foreground services android.permission.FOREGROUND_SERVICE
- View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
- Portrait screen android.hardware.screen.portrait
- Sensor light android.hardware.sensor.light
- Wi-Fi android.hardware.wifi
Light Meter - Lux Meter APK: questions and answers
Can I install this APK over the version I already have?
Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.
Is Light Meter - Lux Meter free?
The APK is free to download, but the app offers in-app purchases through Google Play.
Is the Light Meter - Lux Meter APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the other version checked. After downloading, check that the file's MD5 is 57f1e78a86deeab1d2aba67aa57b8f76.