Comparison

GD&T pro vs Revit Visual Lab

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

GD&T pro

This app serves as a multimedia reference for learning and interpreting geometric dimensioning and tolerancing (GD&T) based on ISO 1101 standards. It provides clear definitions and practical examples of various form and position tolerances, aiding engineers and employees in understanding and applying these concepts.

Highlights
  • Learn GD&T according to ISO 1101
  • Multimedia reference book
  • Explains definitions with examples
  • Covers form and position tolerances
  • Includes 52 animations
  • Basic information and advanced tolerances
Currently charting
Read full description

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

About

Revit Visual Lab

Features
Read full description

Revit Visual Lab is an independent learning companion for exploring BIM concepts and Revit workflows. Study structured lessons, explore illustrations, and practice with interactive educational simulations on your iPhone or iPad. INTERACTIVE PRACTICE Place and adjust sample walls, doors, windows, columns, floors, roofs, and ducts in a simplified practice model. Explore an illustrative isometric view and use guided activities to learn about properties, views, and sheets. BIM LEARNING LABS Explore sample schedules and family parameters, review simulated coordination issues, practice worksharing scenarios, and configure a Dynamo-style teaching graph. Missions and learning paths offer step-by-step goals and feedback. LESSONS AND KNOWLEDGE CHECKS Study 24 lessons across six modules covering BIM fundamentals, the Revit interface, architecture, structures, MEP systems, and advanced workflows. Test your understanding with quizzes and revisit bookmarked lessons. PROJECTS, REFERENCES, AND ILLUSTRATIONS Follow five guided projects, search a reference library, review visual examples, and use a coordination checklist organized by discipline. Save checklist progress and share a summary. CODE SANDBOX Explore Dynamo Python, Revit API, and IFC examples, edit and copy sample code, and see illustrative output. The sandbox does not execute code or connect to a Revit model. This independent educational app is not affiliated with or endorsed by Autodesk. Practice activities are simplified simulations; they do not create, open, or edit Revit files. Revit and other Autodesk product names are trademarks of Autodesk, Inc.

Screenshots

GD&T pro4 screens
Revit Visual Lab4 screens

Verdict

The call

The clearest difference is price: GD&T pro at $9.99 against Revit Visual Lab's $19.99. GD&T pro also leads on chart position (#184 vs unranked) and iOS requirement (15.0 vs 17.0). Revit Visual Lab's advantage is update cadence (every 3 months vs every 13 months). On ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

GD&T pro costs $9.99 and Revit Visual Lab $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

GD&T pro ships an update every 13 months, Revit Visual Lab every 3 months. The most recent releases landed on November 4, 2026 and November 9, 2026 respectively.

Scorecard4 real differences · 7 level
GD&T pro versus Revit Visual Lab: the parameters behind the verdict, then further details
ParameterGD&T proRevit Visual Lab
Price$9.99 — better$19.99
Rating2.7 (3 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 13 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
Best chart rank#184 — better—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size102 MB50 MB
Age rating4+4+
DeveloperCarl Zeiss AGYuhsiu Lai

In-app purchases

None

GD&T pro

No in-app purchases

None

Revit Visual Lab

No in-app purchases

Questions

Is GD&T pro free?
GD&T pro costs $9.99, with no in-app purchases.
Is Revit Visual Lab free?
Revit Visual Lab costs $19.99, with no in-app purchases.
Do GD&T pro or Revit Visual Lab have ads?
Neither GD&T pro nor Revit Visual Lab shows ads.
Which is updated more often, GD&T pro or Revit Visual Lab?
GD&T pro ships an update every 13 months, and Revit Visual Lab every 3 months. Most recently, GD&T pro was updated on November 4, 2026 and Revit Visual Lab on November 9, 2026.

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