
CMTM-C
Cbse confidential material tracking and monitor for custodian
CBSE Delhi · custodianglobal.cbse.com.acer.custodianglobal
- Signature matches the Google Play version Details
At a glance
- Latest version
- v6.1.6 (23)
- Updated
- Aug 30, 2026 (1 month ago)
- APK size
- 3.9 MB
- Requires
- Android 10+ (API 29)
- CPU support
- Any (no native code)
- Category
- Education (app)
- Listed since
- Oct 30, 2022 (at least)
- Permissions
- 6 (3 sensitive)
- Website
- cbse.nic.in
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
CMTM-C is an app by CBSE Delhi in the Education category, listed since at least October 2022. It has no native code, so it runs on any Android processor.
Since version 6.1.3, the APK shrank from 7.1 MB to 3.9 MB and the minimum Android version rose from 5.0 to 10. It asks for 6 permissions, 3 of them sensitive: precise location, camera and approximate location. Compared with version 6.1.4, it drops 2 permissions: “Read shared storage” and “Modify shared storage”.
What's new in v6.1.6
Description
From the listing uploaded by “appupdater”.
Version history
3 versions are listed, going back to v6.1.3. Since v6.1.6 it requires Android 10+.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Aug 30, 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 2 other versions checked
Store checks and file details
- Developer signature verified Aug 30, 2026
- Validated against Google Play Aug 30, 2026
- Signed byCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
- Signing certificate (SHA-1)D2:53:07:0D:94:E2:08:9A:2A:BE:2D:E3:8F:48:44:49:00:CB:24:E4
- File MD5de8c5a02dd52438413de9e0dbf717af1
- 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 (6)
CMTM-C requests 6 permissions, 3 of them sensitive.
- Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
- Camera Sensitive android.permission.CAMERA
- Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
- Full network access android.permission.INTERNET
- Internal broadcast protection (app-defined) custodianglobal.cbse.com.acer.custodianglobal.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Camera android.hardware.camera
- Basic touch input android.hardware.faketouch
- Location android.hardware.location
CMTM-C APK: questions and answers
Is there a version of CMTM-C for older Android phones?
The current version needs Android 10 or later. Version 6.1.4 is the newest listed build that installs on Android 5.0 and later. Get version 6.1.4 · All versions
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 CMTM-C 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 de8c5a02dd52438413de9e0dbf717af1.