JWDTools (Engineering Tools) v3.0
APK · 13.8 MB · version code 6 · Android 4.2+ · uploaded Apr 21, 2020
- Same certificate as the other version checked Details
Quick check before downloading
Answer this to unlock the download. It keeps automated downloaders away.
Compared with the latest version
The latest version is v4.0, uploaded Jun 9, 2024 — about 4 years after this one.
- Size: this file is 13.8 MB; the latest is 19.2 MB (5.4 MB larger).
- Android: this version needs Android 4.2+; the latest needs Android 5.0+. Use this one if your device runs an older Android release.
- The latest version asks for 3 more permissions: View network connections, Show notifications, Internal broadcast protection (app-defined).
- The latest version no longer asks for: View Wi-Fi connections, Read phone status and identity.
File information
- Version
- v3.0 (6)
- Uploaded
- Apr 21, 2020
- Size
- 13.8 MB
- Requires
- Android 4.2+ (API 17)
- CPU support
- ARM 32-bit, ARM 64-bit
- Screen
- Small screens and larger
- MD5
- 4cb1e95c8dfadd3aa1bd1cc55859924e
- Signing certificate (SHA-1)
- B8:05:3E:1E:EA:07:5E:29:D7:87:8B:29:1C:C9:9E:87:74:18:EB:C1
- Signed by
- CN="JWDStructure, O=JWDStructure"
- File name
- com-jwdstructure-jwdtools-6-51385530-4cb1e95c8dfadd3aa1bd1cc55859924e.apk
- Package
- com.jwdstructure.jwdtools
- Downloads (all versions)
- 10K+
- Age rating
- PEGI 3 · Everyone
What's new in v3.0
Version 3.0:
- Add 14 Tools to calculate section properties (Centroid and Moment of Inertia) for many shapes.
- Add a tool to estimate the weight of steel mesh
- Add a tool to display the volume weight of many materials
- Add a tool to display the weight of hordy blocks (Pro)
- Add a tool to calculate dimensions and area of irregular quadratic shape (Pro)
- Add tools to calculate the volume of pyramidal frustum and conical frustum (Pro)
Permissions (3)
This version requests 3 permissions, 1 of them sensitive.
- Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
- Full network access android.permission.INTERNET
- View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
Security & authenticity
Security rating: Trusted
Signing certificate
- Certificate issued to “JWDStructure” The developer's name — though anyone can put any name in a certificate.
- Same certificate as the other version checked
Store checks
- Developer signature verified Apr 21, 2020
- Antivirus scan passed Jan 11, 2021
- Uploaded by “split-store” Gold tier · 24,358 followers · uploading since 2019
Scans 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.
How to install JWDTools (Engineering Tools) on Android 4.2+
You'll need about 27.6 MB of free space.
- Download the APK — tap Download APK above (13.8 MB). Chrome shows “File might be harmful” for every APK file; choose Download anyway only if you trust this file.
- Open the file — tap the download notification, or open Files › Downloads and tap com-jwdstructure-jwdtools-6-51385530-4cb1e95c8dfadd3aa1bd1cc55859924e.apk.
- Allow the install (first time only) — Android 8 and later asks for permission the first time an app opens an APK: tap Settings in the prompt, turn on Allow from this source, then go back. Manual path: Settings › Apps › Special app access › Install unknown apps (on Samsung: Settings › Apps › ⋮ › Special access). On Android 7 and older: Settings › Security › Unknown sources.
- Check the file (optional) — the MD5 of the downloaded file should be 4cb1e95c8dfadd3aa1bd1cc55859924e. If it differs, the file is damaged or was changed: delete it and download again.
- Tap Install — Android asks “Do you want to install this app?”. If Google Play Protect shows a warning, read it before you continue: the source store rated this file Trusted, but only install apps from sources you trust. If an earlier version is installed, this one only installs as an update when it is signed with the same certificate (SHA-1 shown above).
- Open JWDTools (Engineering Tools) — tap Open on the install screen, or find it in your app drawer.
Common install problems
- “App not installed” — a version signed with a different certificate, or a newer version, is already installed (Android doesn't allow downgrades). Uninstall it first; back up your data, because uninstalling deletes it.
- “There was a problem parsing the package” — the file is incomplete, or your Android is too old (this version needs Android 4.2+). Download it again, or pick an older version.
- “App not compatible with your device” — this build contains native code for ARM 32-bit, ARM 64-bit only. Devices with other processors can't install it.
- Blocked by Play Protect — Play Protect checks apps from outside the Play Store. Only continue if you trust the source.