
At a glance
- Latest version
- v3.5 (35)
- Updated
- Nov 9, 2025 (11 months ago)
- APK size
- 19.7 MB
- Requires
- Android 5.0+ (API 21)
- CPU support
- Any (no native code)
- Graphics
- OpenGL ES 2.0+
- Category
- Education (app)
- Listed since
- Apr 21, 2022 (at least)
- Permissions
- 11 (5 sensitive)
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Maritime Buoyage System is an app by xf.dev in the Education category, listed since at least April 2022. It has no native code, so it runs on any Android processor.
It asks for 11 permissions, 5 of them sensitive, including precise location, camera and approximate location. It asks for the same permissions as version 3.4. The app offers in-app purchases through Google Play.
Description
From the listing uploaded by “appupdater”.
Version history
3 versions are listed, going back to v3.2.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Nov 9, 2025.
- Certificate issued to “x” 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 Nov 9, 2025
- Validated against Google Play Nov 9, 2025
- Signed byCN=x, OU=x, O=x, L=x, ST=x, C=x
- Signing certificate (SHA-1)28:9D:10:AB:56:24:0F:1A:F3:94:DB:05:98:D8:A5:BF:A9:B5:FA:5B
- File MD59bfcf7aa620b2c9730c0b6af1e70c747
- 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 (11)
Maritime Buoyage System requests 11 permissions, 5 of them sensitive.
- Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
- Camera Sensitive android.permission.CAMERA
- Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
- Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
- Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
- Control vibration android.permission.VIBRATE
- Flashlight android.permission.FLASHLIGHT
- Full network access android.permission.INTERNET
- In-app purchases (Google Play Billing) com.android.vending.BILLING
- Internal broadcast protection (app-defined) com.xf.iala.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
- Location android.hardware.location
- Portrait screen android.hardware.screen.portrait
- Sensor accelerometer android.hardware.sensor.accelerometer
Maritime Buoyage System 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 Maritime Buoyage System free?
The APK is free to download, but the app offers in-app purchases through Google Play.
Is the Maritime Buoyage System 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 9bfcf7aa620b2c9730c0b6af1e70c747.