
Fabricators Handbook
Sheet metal pattern development tools, flange/ tube tables, useful calculators
Gellis apps · appinventor.ai_1954gellis.Fabricators_handbook
- Signature matches the Google Play version Details
At a glance
- Latest version
- vOctober 25 update (13)
- Updated
- Feb 28, 2026 (7 months ago)
- APK size
- 5.9 MB
- Requires
- Android 4.0+ (API 14)
- CPU support
- Any (no native code)
- Category
- Tools (app)
- Listed since
- Feb 18, 2021 (at least)
- Permissions
- 2 (1 sensitive)
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Fabricators Handbook is an app by Gellis apps in the Tools category, listed since at least February 2021. It has no native code, so it runs on any Android processor.
Since version Sept 23 update, the minimum Android version rose from 2.1 to 4.0. It asks for 2 permissions, 1 of them sensitive: read shared storage. It asks for the same permissions as version Sept 23 update.
Description
From the listing uploaded by “appupdater”.
Version history
2 versions are listed, going back to vSept 23 update. Since vOctober 25 update it requires Android 4.0+.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Feb 28, 2026.
- Certificate issued to “AppInventor for Android” This is the certificate of the Google Play version.
- Same certificate as the other version checked
Store checks and file details
- Developer signature verified Feb 28, 2026
- Validated against Google Play Feb 28, 2026
- Signed by[email protected], O=AppInventor for Android, C=US
- Signing certificate (SHA-1)F7:48:7A:11:3C:52:AD:97:AD:6E:9C:6B:5E:57:EE:A7:CE:D2:FE:7D
- File MD5be7cae6acf7fb5df9fd2ee2c9fa13075
- 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 (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (2)
Fabricators Handbook requests 2 permissions, 1 of them sensitive.
- Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
- Full network access android.permission.INTERNET
Required hardware & features
- Basic touch input android.hardware.faketouch
- Portrait screen android.hardware.screen.portrait
Fabricators Handbook APK: questions and answers
Is there a version of Fabricators Handbook for older Android phones?
The current version needs Android 4.0 or later. Version Sept 23 update is the newest listed build that installs on Android 2.1 and later. Get version Sept 23 update · 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 Fabricators Handbook 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 other version checked. After downloading, check that the file's MD5 is be7cae6acf7fb5df9fd2ee2c9fa13075.