Hoffmann Machining Calculator
v1.4.7 · 70.7 MB · code 322
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File information
UpdatedFeb 18, 2026
PublishedJun 12, 2023
Packagede.hoffmann.zr
Versionv1.4.7 (322)
Size70.7 MB
MD57ebf7b063fc777b42dd5757e0ff706f4
Min SDK24
ABIsx86, x86-64, armeabi-v7a, arm64-v8a
Malware scanTRUSTED
Signature SHA166:8F:5B:E9:72:32:EB:C1:34:9A:09:EC:54:12:19:84:01:3F:02:4D
SignerCN=Jonas Staib, O=Hoffmann Group, L=Munich, ST=Germany, C=DE
Total downloads100,000
This version100,000
DeveloperHoffmann GmbH Qualitätswerkzeuge
Age ratingEveryone
What's new in v1.4.7
Small bugfixes and UI changes
Security scan
TRUSTED
- Developer signature verified 2026-02-18
- Signature SHA1 66:8F:5B:E9:72:32:EB:C1:34:9A:09:EC:54:12:19:84:01:3F:02:4D
- File MD5 7ebf7b063fc777b42dd5757e0ff706f4
How to install Hoffmann Machining Calculator v1.4.7 on Android 7.0 Nougat+
Takes about 2 minutes. You'll need roughly 70.7 MB of free storage.
- Grab de.hoffmann.zr_322.apk — hit the Download button above (70.7 MB). If your browser warns about APK files, choose Keep or Download anyway — that warning fires on every APK, not just this one.
- Trust your browser to install — on Android 8+ go to Settings → Apps → Special access → Install unknown apps, pick the app you downloaded with (Chrome, Firefox, Files, etc.), and flip Allow from this source. On older Android, toggle Unknown sources under Security.
- (Optional) Verify the file — compute the MD5 of the downloaded APK and make sure it matches 7ebf7b063fc777b4…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find de.hoffmann.zr_322.apk in your Files app under Downloads, then tap it. Android's package installer will appear.
- Check the signer — the install screen will name the publisher. For this build it should read CN=Jonas Staib, O=Hoffmann Group, L=Munich, ST=Germany, C=DE. If it doesn't match, cancel — you have the wrong file.
- Review permissions & tap Install — scroll the permission list, then confirm. If Play Protect flags it, tap Install anyway (this APK was scanned as TRUSTED).
- Done — open Hoffmann Machining Calculator — tap Open on the install screen, or find the Hoffmann Machining Calculator icon in your app drawer (this build targets x86/x86-64/armeabi-v7a/arm64-v8a devices).
Common install errors for Hoffmann Machining Calculator
- "App not installed" — usually means an older or differently-signed version is already on your device. Uninstall it first, then retry. Your data may be lost unless you back it up.
- "Parse error" — the APK is for a newer Android than yours. This version needs Android 7.0 Nougat or later. Pick an older build from the versions list below.
- "There was a problem parsing the package" — the download was interrupted. Delete the file and re-download over Wi-Fi.
- Works on one phone but not another — this build ships x86/x86-64/armeabi-v7a/arm64-v8a native code. Devices with a different CPU will reject it.