At a glance
- Latest version
- v1.0.3 (4)
- Updated
- Oct 30, 2024 (1 year ago)
- APK size
- 25.3 MB
- Requires
- Android 2.3+ (API 9)
- CPU support
- Any (no native code)
- Category
- Personalization (app)
- Listed since
- Sep 11, 2019 (at least)
- Permissions
- 5 (2 sensitive)
- Website
- apks.org
- Developer contact
- [email protected]
About this APK
Contrastum FREE is an app by Ivan in the Personalization category, listed since at least September 2019. It has no native code, so it runs on any Android processor.
It asks for 5 permissions, 2 of them sensitive: approximate location and modify shared storage.
Security & authenticity
Signing certificate
- Certificate issued to “Karsakoff developers” The developer's name — though anyone can put any name in a certificate.
Store checks and file details
- Developer signature verified May 12, 2015
- Antivirus scan passed Nov 10, 2020
- Signed byCN=Ivan Karsakov, OU=Ka, O=Karsakoff developers, L=Severouralsk, ST=Sverdlovskaya obl, C=RU
- Signing certificate (SHA-1)54:BA:98:B5:B3:E9:CC:6A:EA:16:CA:DA:9B:EC:DB:58:F7:03:80:1D
- File MD5b27812f59bd1d4b304109929417ae685
- Uploaded by “catappult” Platinum tier · 1,377 followers · uploading since 2018
Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (5)
Contrastum FREE requests 5 permissions, 2 of them sensitive.
- Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
- Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
- Full network access android.permission.INTERNET
- Prevent the device from sleeping android.permission.WAKE_LOCK
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Location android.hardware.location
- Network location android.hardware.location.network
- Touchscreen android.hardware.touchscreen
Contrastum FREE 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 the Contrastum FREE APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. After downloading, check that the file's MD5 is b27812f59bd1d4b304109929417ae685.