Core Calculator App

Quick and easy calculator to assist API 510/570 Inspectors

AsInt, Inc. · com.asint.corecalculator

Not rated yet 1K+ downloads v2.4 13.7 MB Android 4.4+ PEGI 3 · Everyone

Download APK 13.7 MB All versions

Signature matches the Google Play version Details

Watch the Core Calculator App trailer on YouTube

At a glance

Latest version: v2.4 (20400)
Updated: Jul 4, 2026 (3 months ago)
APK size: 13.7 MB
Requires: Android 4.4+ (API 19)
CPU support: x86 32-bit, x86 64-bit, ARM (legacy), ARM 32-bit, ARM 64-bit
Category: Tools (app)
Listed since: Jun 9, 2023 (at least)
Permissions: 5
Website: asint.net
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Core Calculator App is an app by AsInt, Inc. in the Tools category, listed since at least June 2023. It includes native code for x86 32-bit, x86 64-bit, ARM (legacy), ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

It asks for 5 permissions, none of them sensitive.

What's new in v2.4

Bug fixes

Description

From the listing uploaded by “appupdater”.

Quick and easy calculator to assist API 510/570 Inspectors in calculating Tmin, MAWP, corrosion Rates, and Remaining Life. The CORE Calculator App is designed to take common Inspection and Engineering calculations and make them available and accessible on your mobile device. The App is free and downloadable from the Apple App Store for iPhones and iPad devices. This CORE Calculator App is provided by AsInt, Inc. "as is" and AsInt, Inc. makes no representations or warranties of any kind concerning the safety, suitability of the calculations for your purpose, accuracy of your data, inaccuracies of user’s application or other misuse of this CORE Calculator App. AsInt, Inc. uses industry recognized codes and standards as the basis of all its software solutions. If you would like more information regarding a specific app, please submit a question via [email protected]. There are inherent dangers in the use of any software, and you are solely responsible for determining whether this CORE Calculator App is compatible with your equipment and whether the industry codes and standards used as the basis of this software are applicable in your jurisdiction. You are also solely responsible for the protection of your equipment and backup of your data, and AsInt, Inc. will not be liable for any damages you may suffer in connection with using this CORE Calculator App.

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Jul 4, 2026.
Certificate from Google Play App Signing Google keeps the signing key for the developer, so the certificate carries Google's name.

Store checks and file details

Developer signature verified Jul 4, 2026
Validated against Google Play Jul 4, 2026
Signed byCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
Signing certificate (SHA-1)16:EA:23:8D:01:CF:2B:4D:29:CA:57:75:03:93:4C:A4:60:6B:B5:A9
File MD5d3d86bc1a3d48b281e1484170753915a
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. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (5)

Core Calculator App requests 5 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
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
Portrait screen android.hardware.screen.portrait