
GD&T
Learn, interpret and inspect GD&T according to ISO 1101.
Carl Zeiss · de.zeiss.imt.gdt
- Signature matches the Google Play version Details
At a glance
- Latest version
- v4.0.0 (400000000)
- Updated
- Jun 29, 2026 (3 months ago)
- APK size
- 88.5 MB
- Requires
- Android 7.0+ (API 24)
- CPU support
- x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
- Category
- Productivity (app)
- Listed since
- Mar 28, 2021 (at least)
- Permissions
- 2
- Website
- zeiss.de/imt
- Developer contact
- [email protected]
About this APK
GD&T is an app by Carl Zeiss in the Productivity category, listed since at least March 2021. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.
It asks for 2 permissions, none of them sensitive. It asks for the same permissions as version 3.0.1.
What's new in v4.0.0
Description
From the listing uploaded by “appupdater”.
Version history
2 versions are listed, going back to v3.0.1.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Jun 29, 2026.
- Certificate issued to “Carl Zeiss IMT” This is the certificate of the Google Play version.
- Same certificate as the other version checked
Store checks and file details
- Developer signature verified Jun 29, 2026
- Validated against Google Play Jun 29, 2026
- Signed byCN=Carl Zeiss IMT, L=Oberkochen, C=DE
- Signing certificate (SHA-1)13:43:23:38:A3:A2:67:A4:1E:AF:31:03:46:FF:CD:12:A9:72:65:8E
- File MD5b423e867e2dbfe28284c40e1cd79006f
- 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)
GD&T requests 2 permissions, none of them sensitive.
- Full network access android.permission.INTERNET
- Internal broadcast protection (app-defined) de.zeiss.imt.gdt.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Required hardware & features
- Basic touch input android.hardware.faketouch
GD&T APK: questions and answers
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 GD&T 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 b423e867e2dbfe28284c40e1cd79006f.