iPhone Screenshots


Learn, interpret and inspect GD&T according to ISO 1101. This app describes a large range of definitions of geometric dimensioning and tolerancing and supports engineers and employees as a multimedia reference book. As part of operative education, this app shows relationships and makes it easier to understand the right handling of form and position tolerances in practice.
This app explains the most important definitions of GD&T and its interpretation by examples (straightness, roundness, flatness, cylindricity, profile of a line, parallelism, squareness, angularity, position, concentricity, symmetry, circular runout, …)
-52 animations
-Basic information
-Form tolerance
-Profile tolerance
-Position tolerance
-Orientation tolerance
-Runout tolerance

What’s New

Version 2.0.8

- Brandnew App-Design
- Reworked Content and Videos
- Updated Standards Directory
- Minor Bugfixes

Ratings and Reviews

1.5 out of 5
2 Ratings

2 Ratings

Centauro Real ,

I want my money back!

This app is very expensive for the content it offers. I purchased the app confident in the company's reputation of good CMM machines, they are terrible creating this kind of applications. I want my money back. Don't buy it, there are better apps that do better a job explaining gd&t for free.

App Privacy

The developer, Carl Zeiss AG, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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