Color Calibrator

Reduce the light and color that hurt your eyes.

HalfCycle · org.halfcycle.cc

4.5 out of 5 (2 ratings) 100K+ downloads v1.5.4 2 MB Android 4.0+ PEGI 3 · Everyone

Download APK 2 MB All versions

Same certificate as the 2 other versions checked Details

At a glance

Latest version: v1.5.4 (19)
Updated: Nov 11, 2021 (4 years ago)
APK size: 2 MB
Requires: Android 4.0+ (API 14)
CPU support: Any (no native code)
Category: Tools (app)
Permissions: 9 (1 sensitive)
Website: halfcycle.org/cc
Developer contact: [email protected]

About this APK

Color Calibrator is an app by HalfCycle in the Tools category. It has no native code, so it runs on any Android processor.

Since version 1.5, the APK grew from 1.7 MB to 2 MB. It asks for 9 permissions, 1 of them sensitive: display over other apps. Compared with version 1.5.1, it adds 1 new permission: “Run foreground services”. The app offers in-app purchases through Google Play.

What's new in v1.5.4

Release v1.5.4 - # Bug Fixes - App switch not working properly on some devices

Description

From the listing uploaded by “appupdater”.

Color Calibrator can be used to reduce eye strain, by adjusting the screen colors to natural. It can filter out the intense colors produced by your phone. Features like night shift can also relief eye irritation and help you have a good night sleep. Features: - Blue light reduction - Create multiple schedules - Save power by built-in screen dimmer - Eye protection from intense colors - Translucent effect, to set accurate colors - Pre-adjusted configuration - Screen color adjust Permissions: - Run at start-up, To start the app again after restart - Display system-level alert, To draw color overlay on top - Network, To facilitate in-app purchase

Version history

3 versions are listed, going back to v1.5.

v1.5.4 LATEST Nov 11, 2021 2 MB TRUSTED v1.5.1 Mar 10, 2019 2 MB TRUSTED v1.5 Jan 24, 2018 1.7 MB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Certificate issued to “HalfCycle” The developer's name — though anyone can put any name in a certificate.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Nov 11, 2021
Antivirus scan result not available
Signed byCN=Racy Gomes, OU=Development, O=HalfCycle, L=Japan, C=81
Signing certificate (SHA-1)A0:06:8D:A5:8E:92:37:F4:40:0B:5C:1C:ED:FB:1D:67:65:E3:F1:8C
File MD54c49067e5b27a5fb87d3f6fe9f9fbf14
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 (9)

Color Calibrator requests 9 permissions, 1 of them sensitive.

Display over other apps Sensitive android.permission.SYSTEM_ALERT_WINDOW
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
In-app purchases (Google Play Billing) com.android.vending.BILLING
Prevent the device from sleeping android.permission.WAKE_LOCK
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
Run foreground services android.permission.FOREGROUND_SERVICE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch

Color Calibrator APK: questions and answers

Can I install this APK over the version I already have?

Only if it is signed with the same certificate as the copy on your phone and isn't an older version. If Android says “App not installed”, the certificates differ; uninstalling your copy first works but deletes its data unless it is backed up.

Is Color Calibrator free?

The APK is free to download, but the app offers in-app purchases through Google Play.

Is the Color Calibrator APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 4c49067e5b27a5fb87d3f6fe9f9fbf14.