HCHO Detector
APP is used for HCHO detection.
CEM Software · cem.wuhao.hcho
- Signature matches the Google Play version Details
At a glance
- Latest version
- v1.1.1 (11)
- Updated
- Aug 27, 2025 (1 year ago)
- APK size
- 4.3 MB
- Requires
- Android 5.1+ (API 22)
- CPU support
- Any (no native code)
- Category
- Tools (app)
- Listed since
- Apr 23, 2022 (at least)
- Permissions
- 13 (6 sensitive)
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
HCHO Detector is an app by CEM Software in the Tools category, listed since at least April 2022. It has no native code, so it runs on any Android processor.
Since version 1.0.9, the APK grew from 3.8 MB to 4.3 MB. It asks for 13 permissions, 6 of them sensitive, including read media images, read shared storage and display over other apps. It asks for the same permissions as version 1.1.0.
Description
From the listing uploaded by “appupdater”.
Version history
3 versions are listed, going back to v1.0.9.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Aug 27, 2025.
- Certificate issued to “CEM DEV” This is the certificate of the Google Play version.
- Same certificate as the 2 other versions checked
Store checks and file details
- Developer signature verified Aug 27, 2025
- Validated against Google Play Aug 27, 2025
- Signed byCN=Meterbox, OU=CEM, O=CEM DEV, L=KowloonCity, ST=HongKong, C=HK
- Signing certificate (SHA-1)D2:8A:38:77:6C:2C:C8:9A:1A:5D:4A:C7:B3:C2:66:56:E1:0E:31:88
- File MD558421b5c6c74deff9af31abe5d723c27
- 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 (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (13)
HCHO Detector requests 13 permissions, 6 of them sensitive.
- Display over other apps Sensitive android.permission.SYSTEM_ALERT_WINDOW
- Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
- Read media images Sensitive android.permission.READ_MEDIA_IMAGES
- Read media visual user selected Sensitive android.permission.READ_MEDIA_VISUAL_USER_SELECTED
- Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
- Write settings Sensitive android.permission.WRITE_SETTINGS
- Access download manager android.permission.ACCESS_DOWNLOAD_MANAGER
- Control vibration android.permission.VIBRATE
- Disable keyguard android.permission.DISABLE_KEYGUARD
- Download without notification android.permission.DOWNLOAD_WITHOUT_NOTIFICATION
- Mount unmount filesystems android.permission.MOUNT_UNMOUNT_FILESYSTEMS
- Prevent the device from sleeping android.permission.WAKE_LOCK
- System overlay window android.permission.SYSTEM_OVERLAY_WINDOW
Required hardware & features
- Basic touch input android.hardware.faketouch
- Portrait screen android.hardware.screen.portrait
HCHO Detector 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 the HCHO Detector 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 2 other versions checked. After downloading, check that the file's MD5 is 58421b5c6c74deff9af31abe5d723c27.
