
50+ construction calculators
50+ different building calculators in one app. Demo version.
Дмитрий Житов · com.zhitov.demo
- Signature matches the Google Play version Details
At a glance
- Latest version
- v15.1.0 (15)
- Updated
- Dec 13, 2025 (10 months ago)
- APK size
- 1.4 MB
- Requires
- Android 5.0+ (API 21)
- CPU support
- Any (no native code)
- Category
- Tools (app)
- Listed since
- Mar 11, 2021 (at least)
- Permissions
- 6 (2 sensitive)
- Website
- zhitov.ru
- Developer contact
- [email protected]
About this APK
50+ construction calculators is an app by Дмитрий Житов in the Tools category, listed since at least March 2021. It has no native code, so it runs on any Android processor.
It asks for 6 permissions, 2 of them sensitive: read shared storage and modify shared storage. It asks for the same permissions as version 13.1.0.
What's new in v15.1.0
Description
From the listing uploaded by “appupdater”.
Version history
2 versions are listed, going back to v13.1.0.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Dec 13, 2025.
- Certificate issued to “Dmitriy Zhitov” This is the certificate of the Google Play version.
- Same certificate as the other version checked
Store checks and file details
- Developer signature verified Dec 13, 2025
- Validated against Google Play Dec 13, 2025
- Signed byCN=Dmitriy Zhitov, L=Moscow, C=RU
- Signing certificate (SHA-1)03:F9:24:47:1C:5B:6C:BD:DA:DD:F7:C7:39:89:EF:60:F6:A3:31:07
- File MD5894e594b5901bcabe077aabb039c7941
- 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 (6)
50+ construction calculators requests 6 permissions, 2 of them sensitive.
- Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
- Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
- Full network access android.permission.INTERNET
- Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
- 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
- Wi-Fi android.hardware.wifi
50+ construction calculators 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 50+ construction calculators 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 894e594b5901bcabe077aabb039c7941.