# GD&T HD pro

> Multimedia reference for learning and inspecting GD&T according to ISO 1101. (iPhone/iPad app by Carl Zeiss AG.)

- Source: https://appshunter.io/ios/app/gd-and-t-hd-pro/id976641961 (this page in markdown: same URL + `.md`)
- Developer: [Carl Zeiss AG](https://appshunter.io/developer/488066215)
- Category: Education
- Price: $9.99
- Rating: 1.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 15.0 · 102 MB
- Languages: English
- Released: 2015-03-30
- Data updated: 2026-06-24
- Monetization: paid

## What is GD&T HD pro?

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

## Key features

- ISO 1101 GD&T standards
- Multimedia reference book
- Practical examples
- 52 animations
- Form and position tolerance explanation
- Basic information


## Frequently asked questions about GD&T HD pro

### What is GD&T HD pro?

GD&T HD pro is a multimedia reference app designed to help users learn, interpret, and inspect geometric dimensioning and tolerancing (GD&T) according to ISO 1101 standards. It provides definitions, examples, and animations to clarify concepts like form and position tolerances.

### What learning methodology does GD&T HD pro use?

GD&T HD pro utilizes a multimedia reference book approach, explaining key GD&T definitions through practical examples and 52 animations. This method aims to make understanding and applying form and position tolerances easier for users.

### How does GD&T HD pro track user progress?

The provided data does not specify progress tracking features within GD&T HD pro. It focuses on providing comprehensive reference material and explanations of GD&T concepts.

### Does GD&T HD pro offer certifications?

The app description does not mention any certification programs or the ability to obtain certifications through its use. It functions as an educational reference tool.

### What devices is GD&T HD pro compatible with?

GD&T HD pro is currently supported on iPads. It is not listed as compatible with iPhones or other mobile devices.

### How often is GD&T HD pro updated?

The latest version of GD&T HD pro was released on February 22, 2022. The app has a release date of March 30, 2015, indicating it may not receive frequent updates.

### What is the price of GD&T HD pro?

GD&T HD pro is a paid application with a price of $9.99. There are no mentions of in-app purchases or subscription models.

### Does GD&T HD pro have ads?

GD&T HD pro is ad-free. The application does not contain any advertisements, providing an uninterrupted learning experience.

## Version history (last 5 releases)

### 3.0.1 — 2022-02-22

- Added sizes and modifiers
- Added datum and tolerance direction limitations
- Added tolerance indications for associations and filters
- Added additional drawing entries
- Minor bug-fixes

### 2.0.8 — 2019-10-30

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

### 2.0.5 — 2018-09-25

Added new content and fixed some minor bugs.

### 2.0.3 — 2017-01-31

Minor bug fixes and a new ebook link

### 2.0.1 — 2015-10-15

Improved functionality

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## More apps by Carl Zeiss AG

- [Light Lab](https://appshunter.io/ios/app/light-lab/id488066212)
- [GD&T HD](https://appshunter.io/ios/app/gd-and-t-hd/id627968870)
- [GD&T](https://appshunter.io/ios/app/gd-and-t/id627973440)
- [ZEN browser](https://appshunter.io/ios/app/zen-browser/id665543029)
- [Labscope Material](https://appshunter.io/ios/app/labscope-material/id688689220)
- [VR ONE AR](https://appshunter.io/ios/app/vr-one-ar/id942844528)

All apps by Carl Zeiss AG: https://appshunter.io/developer/488066215

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-24.*