Xwindow

Xwindow is a collection of tools for radioscopic X-ray testing

Björn Stockfisch · appinventor.ai_stockfisch.Xwindow_1_3

Not rated yet 500+ downloads v1.9.3 4.1 MB Android 4.0+ PEGI 3 · Everyone

Download APK 4.1 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v1.9.3 (89)
Updated: Sep 2, 2026 (1 month ago)
APK size: 4.1 MB
Requires: Android 4.0+ (API 14)
CPU support: Any (no native code)
Category: Books & Reference (app)
Listed since: Mar 19, 2021 (at least)
Permissions: 3 (1 sensitive)
Website: xwindow.eu
Developer contact: [email protected]

About this APK

Xwindow is an app by Björn Stockfisch in the Books & Reference category, listed since at least March 2021. It has no native code, so it runs on any Android processor.

Since version 1.8.8, the minimum Android version rose from 2.1 to 4.0. It asks for 3 permissions, 1 of them sensitive: read shared storage. It asks for the same permissions as version 1.9.2.

What's new in v1.9.3

New API level

Description

From the listing uploaded by “appupdater”.

Xwindow is a collection of tools for radioscopic testing in the NDT. You will find tools to calculate the geometric unsharpness and magnification, the optimal magnification, the right IQI accourding the right standard, calculation for CT (Computed tomographie), formula, clculation between mm and inch up to volume, typical shortcuts, overview of actual norm and standards, calcute xray scatter, calculate CNR and a lot more.

Version history

4 versions are listed, going back to v1.8.8. Since v1.9.0 it requires Android 4.0+.

v1.9.3 LATEST Sep 2, 2026 4.1 MB TRUSTED v1.9.2 Aug 4, 2026 4.1 MB TRUSTED v1.9.0 Jun 5, 2026 4.1 MB TRUSTED v1.8.8 Jun 27, 2026 4.2 MB TRUSTED

All 4 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Sep 2, 2026.
Certificate issued to “AppInventor for Android” This is the certificate of the Google Play version.
Same certificate as the 3 other versions checked

Store checks and file details

Developer signature verified Sep 2, 2026
Validated against Google Play Sep 2, 2026
Signed by[email protected], O=AppInventor for Android, C=US
Signing certificate (SHA-1)8D:02:40:4B:37:70:32:B0:E9:51:89:32:3A:64:F9:15:E9:1A:B1:7F
File MD5617084a4a40b2c7b7b710a7b399ecc64
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 (3 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (3)

Xwindow requests 3 permissions, 1 of them sensitive.

Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Control vibration android.permission.VIBRATE
Full network access android.permission.INTERNET

Required hardware & features

Basic touch input android.hardware.faketouch
Portrait screen android.hardware.screen.portrait

Xwindow APK: questions and answers

Is there a version of Xwindow for older Android phones?

The current version needs Android 4.0 or later. Version 1.8.8 is the newest listed build that installs on Android 2.1 and later. Get version 1.8.8 · All versions

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 Xwindow 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 3 other versions checked. After downloading, check that the file's MD5 is 617084a4a40b2c7b7b710a7b399ecc64.