Ratio Calculator

This application calculates various ratios.

Blue Rock · br.ratio

Not rated yet 50K+ downloads v1.13 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: v1.13 (13)
Updated: Aug 28, 2025 (1 year ago)
APK size: 8 MB
Requires: Android 7.0+ (API 24)
CPU support: Any (no native code)
Category: Productivity (app)
Listed since: Mar 10, 2021 (at least)
Permissions: 9
Developer contact: [email protected]

About this APK

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

Since version 1.12, the APK grew from 2.2 MB to 8 MB and the minimum Android version rose from 4.0 to 7.0. It asks for 9 permissions, none of them sensitive. Compared with version 1.12, it adds 6 new permissions: “Access adservices ad id”, “Access adservices attribution”, “Access adservices topics” and 3 more. The app can read the advertising ID that ad and analytics services use.

Description

From the listing uploaded by “appupdater”.

This application calculates various ratios. How to use -------------------------- Enter the numbers in both forms and tap the "=" button. -------------------------- 1 : X X : 1 % GCD (Greatest Common Divisor) -------------------------- Enter the number in left or right form and tap the "=" button. -------------------------- GR (Golden ratio 1 : 1.618)

Version history

2 versions are listed, going back to v1.12. Since v1.13 it requires Android 7.0+.

v1.13 LATEST Aug 28, 2025 8 MB TRUSTED v1.12 Jun 5, 2024 2.2 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 28, 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 28, 2025
Validated against Google Play Aug 28, 2025
Signed byCN=Blue Rock, L=yokohama, ST=kanagawa, C=jp
Signing certificate (SHA-1)C1:DD:24:A5:3F:5E:23:44:74:74:57:44:92:87:3E:09:9D:E1:8E:6C
File MD5ac6ea41eb1843fc2901daf9168d18baf
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)

Ratio 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.ratio.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

Ratio Calculator APK: questions and answers

Is there a version of Ratio Calculator for older Android phones?

The current version needs Android 7.0 or later. Version 1.12 is the newest listed build that installs on Android 4.0 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 1.12 · 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 Ratio 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 ac6ea41eb1843fc2901daf9168d18baf.