At a glance
- Latest version
- v1.8.4 (10804)
- Updated
- Apr 15, 2025 (1 year ago)
- APK size
- 31.8 MB
- Requires
- Android 4.4+ (API 19)
- CPU support
- Any (no native code)
- Permissions
- 10 (4 sensitive)
About this APK
Combinatorics is an app. It has no native code, so it runs on any Android processor.
It asks for 10 permissions, 4 of them sensitive, including precise location, approximate location and read shared storage. The app offers in-app purchases through Google Play.
Description
From the listing uploaded by “drago7709”.
Security & authenticity
Signing certificate
- Certificate issued to “Svetlana Sidorova” Not the developer's name. Names in certificates can't be verified, so this alone proves nothing.
Store checks and file details
- Developer signature verified Apr 15, 2025
- Signed byCN=Svetlana Sidorova
- Signing certificate (SHA-1)B9:46:70:8B:34:BF:FF:E1:87:95:74:AE:AC:40:CD:0E:3A:E4:1D:2A
- File MD56310f96895e79a6211500b845090cd5e
- Uploaded by “drago7709” 6 followers · uploading since 2025
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 (10)
Combinatorics requests 10 permissions, 4 of them sensitive.
- Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
- 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
- Full network access android.permission.INTERNET
- In-app purchases (Google Play Billing) com.android.vending.BILLING
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Run at startup android.permission.RECEIVE_BOOT_COMPLETED
- View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
- Location android.hardware.location
- Wi-Fi android.hardware.wifi
Combinatorics 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 Combinatorics free?
The APK is free to download, but the app offers in-app purchases through Google Play.
Is the Combinatorics 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 6310f96895e79a6211500b845090cd5e.