CTS Leak Rate Calculator
The CTS Leak Rate Calculator tool includes calculators and unit conversions.
Cincinnati Test Systems · com.cts.jstazak.cincinnatitestcalculate
- Signature matches the Google Play version Details
At a glance
- Latest version
- v1.6.1 (21)
- Updated
- Jan 6, 2026 (9 months ago)
- APK size
- 3 MB
- Requires
- Android 4.0.3+ (API 15)
- CPU support
- Any (no native code)
- Category
- Tools (app)
- Listed since
- Dec 25, 2022 (at least)
- Permissions
- 6
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
CTS Leak Rate Calculator is an app by Cincinnati Test Systems in the Tools category, listed since at least December 2022. It has no native code, so it runs on any Android processor.
It asks for 6 permissions, none of them sensitive. It asks for the same permissions as version 1.6.
What's new in v1.6.1
Description
From the listing uploaded by “appupdater”.
Version history
3 versions are listed, going back to v1.5.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Jan 6, 2026.
- Certificate issued to “Cincinnati Test Systems” This is the certificate of the Google Play version.
- Same certificate as the 2 other versions checked
Store checks and file details
- Developer signature verified Jan 6, 2026
- Validated against Google Play Jan 6, 2026
- Signed byCN=Joe Stazak, OU=Mobile Dev, O=Cincinnati Test Systems, L=Cincinnati, ST=Ohio, C=US
- Signing certificate (SHA-1)FB:75:A7:35:A0:75:25:81:62:A8:76:B0:79:BF:06:F0:34:86:1B:0A
- File MD505dd2ba096b6136232831dc437b40da2
- 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 (6)
CTS Leak Rate Calculator requests 6 permissions, none of them sensitive.
- Full network access android.permission.INTERNET
- Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Push messaging (app-defined) com.cts.jstazak.cincinnatitestcalculate.permission.C2D_MESSAGE
- Receive push notifications com.google.android.c2dm.permission.RECEIVE
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
CTS Leak Rate Calculator 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 CTS Leak Rate 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 2 other versions checked. After downloading, check that the file's MD5 is 05dd2ba096b6136232831dc437b40da2.
