CCr calculator

This app calculates Creatinine Clearance by Cockcroft-Gault Equation.

Blue Rock · br.ccrcalc

Not rated yet 10K+ downloads v1.46 8 MB Android 7.0+ PEGI 3 · Everyone

Download APK 8 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v1.46 (16)
Updated: Aug 20, 2025 (1 year ago)
APK size: 8 MB
Requires: Android 7.0+ (API 24)
CPU support: Any (no native code)
Category: Medical (app)
Listed since: Mar 28, 2021 (at least)
Permissions: 9
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

CCr calculator is an app by Blue Rock in the Medical category, listed since at least March 2021. It has no native code, so it runs on any Android processor.

It asks for 9 permissions, none of them sensitive. It asks for the same permissions as version 1.45. The app can read the advertising ID that ad and analytics services use.

Description

From the listing uploaded by “appupdater”.

This app calculates Creatinine Clearance by Cockcroft-Gault Equation. Select male or female. Input age, weight, Serum cr and push "CALC" button.

Version history

2 versions are listed, going back to v1.45.

v1.46 LATEST Aug 20, 2025 8 MB TRUSTED v1.45 Jun 13, 2024 7.6 MB TRUSTED

All 2 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Aug 20, 2025.
Certificate issued to “Blue Rock” This is the certificate of the Google Play version.
Same certificate as the other version checked

Store checks and file details

Developer signature verified Aug 20, 2025
Validated against Google Play Aug 20, 2025
Signed byCN=Blue Rock, L=yokohama, ST=kanagawa, C=jp
Signing certificate (SHA-1)78:C9:1B:87:68:CB:80:E2:9A:62:4D:3B:18:33:9A:1B:79:63:85:4E
File MD59567c9c4d28000718151f832458f905d
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 (9)

CCr calculator requests 9 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
Full network access android.permission.INTERNET
Internal broadcast protection (app-defined) br.ccrcalc.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Run foreground services android.permission.FOREGROUND_SERVICE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch
Portrait screen android.hardware.screen.portrait

CCr calculator 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 CCr calculator 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 9567c9c4d28000718151f832458f905d.