Best GD&T alternatives: apps like GD&T

10+ similar apps compared and reviewed

3.9 avg rating
9 free apps
Updated October 2026

GD&T is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

KobCard

KobCard by KOB MARKETING

Gift Card Information Platform
4.1(367 ratings)
Free
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KobCard is a comprehensive gift card information platform that offers real-time exchange rates, price calculations, and the latest news on gift cards. It serves as a one-stop destination for individuals looking to buy, sell, or stay informed about the world of gift cards.

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Top Alternatives to GD&T

1.0(1 ratings)
FreeIn-App Purchases

This app provides a comprehensive toolkit for geometric dimensioning and tolerancing (GD&T) calculations and references, supporting both ASME and ISO standards. It offers symbol lookup, feature control frame building, and advanced analysis tools for engineers and students. The app functions completely offline, ensuring data privacy and accessibility.

Thread Calculator#2
4.4(14 ratings)
FreeAds
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This app provides a quick and easy way to calculate thread dimensions for various units, including tap hole sizes and bolt specifications. It helps metalworkers find precise measurements for internal and external threads without consulting tables.

More apps like GD&T

4
MechTab
MechTab
MechTab
The mechanic's helper tool
Free

This app offers a comprehensive set of tools for mechanics, providing essential data on tolerances, threads, cutting speeds, wrench sizes, and roughness. It also includes calculators for material weight, triangle properties, and trowalisation.

ISO-Tolerance data (holes and shafts)Thread specificationsCutting data calculations
📊 Productivity
(16)
free
5
CNC Machinist Calculator Ultra
CNC Machinist Calculator Ultra
CNC Machinist Calculator Ultra
All-in-One Machining Tool
Free

This app provides machinists and engineers with a comprehensive suite of tools for CNC operations. It offers a wide range of calculations for turning, milling, drilling, and more, designed to enhance precision and boost productivity.

Cutting speed and feed recommendationsTap drill size calculationsTrue position calculations
📊 Productivity
(26)
freemium
6
CNC Machinist Calculator Pro
CNC Machinist Calculator Pro
CNC Machinist Calculator Pro
by Shane Anderson
$14.99

This app provides a comprehensive suite of calculators and tools for CNC machinists, engineers, and hobbyists. It offers specialized calculations for turning, milling, drilling, threading, and geometric tolerances, along with material data and G-code generation.

Turning, Milling, and Drilling CalculatorsThread and Bolt Pattern CalculatorsGeometric Tolerance (GD&T) Tools
📊 Productivity
(679)
paid
7
The Phillips Machinist
The Phillips Machinist
The Phillips Machinist
by Phillips Corporation
Free

Access essential machine codes, calculators, and practical resources for machinists. Get direct support from engineers and explore a library of machining information. Enhance your productivity and problem-solving on the shop floor.

Haas G & M reference codesError and Alarm CodesCalculator library (Inch/Metric)
📊 Productivity
(393)
free with in-app purchases
8
FSWizard
FSWizard
FSWizard
CNC Machinist Calculator
Free

This app is a comprehensive calculator for CNC machinists, simplifying the calculation of speeds and feeds for milling, drilling, and turning operations. It automatically suggests optimal cutting conditions based on material choices and supports advanced features like chip thinning and HSM machining.

Milling, drilling, and turning speeds and feedsAutomatic cutting condition suggestionsChip thinning and HSM support
📊 Productivity
(47)
free
9
Walter Feeds & Speeds
Walter Feeds & Speeds
Walter Feeds & Speeds
by Walter-AG
Free

This app helps determine optimal feed rate and cutting speed values for various machining operations. It covers turning, drilling, threading, and milling with indexable inserts. Navigate through machining operations, materials, and tool types to find precise values.

Determine feed rate and cutting speedSupports turning, drilling, threading, millingIndexable insert tool compatibility
📊 Productivity
(9)
free
10
Machining Advisor Pro
Machining Advisor Pro
Machining Advisor Pro
CNC Speeds & Feeds Calculator
Free

This app provides recommended running parameters for CNC machining, specifically for Helical Solutions and Harvey Tool products. It generates customized speeds and feeds based on your end mill, tool path, material, and machine setup, optimizing metal removal rates and shop productivity.

CNC speeds and feeds calculatorOptimized for 30,000+ productsSupports 300+ material grades
📊 Productivity
(163)
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