Best Engineering Tools App

214+ iOS apps & games curated and reviewed

4.4 avg rating
19 free apps & games
Updated June 2026

Out of 214+ engineering tools app apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Engineering Tools App

Toolbox - Smart Meter Tools#1

Toolbox - Smart Meter Tools by Thanh Dinh

Best Measuring Tool Box App
Editor's Choice
🔧 Utilities
4.5😊(14K ratings)
FreeAdsIn-App Purchases
Toolbox - Smart Meter Tools screenshot 1
Toolbox - Smart Meter Tools screenshot 2
Toolbox - Smart Meter Tools screenshot 3
Toolbox - Smart Meter Tools screenshot 4
Toolbox - Smart Meter Tools screenshot 5

Transform your device into a versatile toolkit with a comprehensive suite of measuring instruments. This app offers a metronome, stopwatch, timer, ruler, level, and various sensors to assist with a wide range of tasks.

What We Love

  • 🚀 Useful tools
  • 👍 Accurate measurements
  • 🧠 Versatile functionality
  • 🧰 All-in-one toolbox

Room to Improve

  • 🐛 Ruler inaccurate
  • 🔍 Lack of instructions
  • 💰 Ads/in-app purchases
EE ToolKit#2

EE ToolKit by Thomas Gruber

Electronics Engineering
Strong Contender
📚 Education
4.7😊(1.4K ratings)
FreeIn-App Purchases
EE ToolKit screenshot 1
EE ToolKit screenshot 2
EE ToolKit screenshot 3
EE ToolKit screenshot 4
EE ToolKit screenshot 5
EE ToolKit screenshot 6

This comprehensive toolkit offers over 160 electronic applications, calculators, and reference tools for engineers, students, and hobbyists. It features a multi-functional keyboard, color code tools, audio scope, frequency generator, and component references with datasheet access. The app supports real-time circuit simulations and includes a file manager for saving calculations.

What We Love

  • 👍 Useful tools and features
  • 🚀 Comprehensive and informative
  • 👍 Intuitive and easy to use
  • 👍 Helpful for both beginners and professionals

Room to Improve

  • 🔒 Many features locked behind paywall
  • 🐛 Some bugs and glitches reported
  • 🔍 Limited free version functionality
SimplePhysics#3

SimplePhysics by Jundroo, LLC

Worth Considering
🎮 Games
4.5😊(227 ratings)
$0.99In-App Purchases
SimplePhysics screenshot 1
SimplePhysics screenshot 2
SimplePhysics screenshot 3
SimplePhysics screenshot 4

Design and simulate complex structures using a realistic physics engine. Test your creations by applying stress, using a finger to push and pull, or even creating explosions. Analyze strain distribution to identify weak points and refine your designs for strength and cost-effectiveness.

What We Love

  • 👍 Challenging and fun
  • 💡 Engaging and educational
  • 👍 Great for all ages
  • 👍 Realistic physics simulation

Room to Improve

  • 🐛 Inconsistent physics behavior
  • 🐛 Difficulty placing/removing beams
  • 🐛 Crashes and compatibility issues

More Engineering Tools App apps to explore

4
ArcSite: Floor Plans and CAD
ArcSite: Floor Plans and CAD
ArcSite: Floor Plans and CAD
Sketch, Draw & Remodel On-Site
Free

This app allows contractors to create accurate floor plans and site layouts directly on-site. It streamlines the process of planning remodels, running takeoffs, generating professional proposals, and collecting payments, all from a mobile device.

Sketch accurate floor plans on-sitePlan remodels and renovationsRun takeoff and generate material lists
📊 Productivity
(8.5K)
free with in-app purchases
5
AB&I Cast Iron Tools
AB&I Cast Iron Tools
AB&I Cast Iron Tools
Technical Tools for engineers
Free
💼 Business
(0)
6
AutoCAD
AutoCAD
AutoCAD
DWG Viewer & Editor
Free

Access and edit CAD drawings on the go with this official application. It provides essential drafting and design tools for creating, updating, and sharing 2D drawings from any device. Collaborate with teams and simplify workflows by accessing files from various cloud storage services.

2D file viewingCreate, edit, and share 2D drawingsOffline work and sync
📊 Productivity
(6.3K)
freemium
7
BlueDriver OBD2 Scan Tool
BlueDriver OBD2 Scan Tool
BlueDriver OBD2 Scan Tool
Fear No Fix™
Free

This app turns your smartphone into a powerful OBD2 scan tool. It allows you to read and clear trouble codes, view live data, and generate detailed repair reports for your vehicle. Understand your car's issues and make informed repair decisions.

Read and clear trouble codes (Check Engine, ABS, etc.)Generate professional-grade Repair ReportsAccess Mode 6 and smog readiness data
📊 Productivity
(14K)
free with in-app purchases
8
Learn Mechanical Engineering
Learn Mechanical Engineering
Learn Mechanical Engineering
by Pollmine.Com
Free

Master mechanical engineering concepts with AI-driven lessons, bite-sized videos, and quizzes. Dedicate just 60 minutes weekly to enhance your knowledge and skills in various business and engineering topics.

AI-driven coachBite-sized video lessonsInteractive quizzes
📚 Education
(121)
free
9
Bosch Toolbox
Bosch Toolbox
Bosch Toolbox
Digital Tools for PROs
Free

This app provides digital tools for professional tradespeople to enhance efficiency. It offers features for tracking project time, calculating distances with a measurement camera, and converting units. Additionally, it allows for tool registration, repair inquiries, and dealer location.

Project time and journey trackingMeasurement camera for project dimensionsUnit converter for over 50 units
🔧 Utilities
(677)
free
10
Easy Isometric: Pipe Iso App
Easy Isometric: Pipe Iso App
Easy Isometric: Pipe Iso App
Pipe Isometric Drawing App
Free

Create accurate pipe isometric drawings on your iPad or iPhone. This app automates calculations and labeling, generating bills of materials and PDF reports for efficient fabrication and purchasing.

Automated dimension calculationsIntegrated ASME and ASTM standardsBill of Materials generator
💼 Business
(57)
subscription
11
Educational Engineering
Educational Engineering
Educational Engineering
by Carevan, LLC
Free
📚 Education
(0)
12
Nautlius: STEM Toolbox
Nautlius: STEM Toolbox
Nautlius: STEM Toolbox
Engineering Calculator & Units
Free

This app provides a comprehensive suite of tools for STEM education and professional use. It offers engineering calculators, unit conversions, property lookups, and simulation capabilities. Students and professionals can utilize it for quick calculations and data analysis.

Engineering calculatorsFree body diagramsProperty lookup tables
📚 Education
(2)
free
13
Draw with Powertools FX Free
Draw with Powertools FX Free
Draw with Powertools FX Free
by Onteca Ltd
Free

This app offers a virtual workshop with realistic power tools for creative drawing and manipulation of materials. Import your own photos and use precision controls to cut, drill, and sand, then share your creations.

Realistic power tool simulationsCut, drill, and sand materialsImport personal photos
🎮 Games
(15)
free with in-app purchases
14
Engineering Unit Converter
Engineering Unit Converter
Engineering Unit Converter
by Vector 254 LLC
Free

This app offers a powerful and user-friendly way to convert units and currencies. It includes a built-in calculator, mass/mole fraction converter, thermocouple module, and physical constants database. Customize your display and input mathematical expressions for complex conversions.

Unit conversionCurrency conversionBuilt-in calculator
🔍 Reference
(83)
free with in-app purchases
15
Image Recognition And Searcher
Image Recognition And Searcher
Image Recognition And Searcher
Search Engine by Pic.tures
Free

Search the web using images instead of text. Upload photos from your gallery, take a new picture, or paste a web address to find similar images and verify sources. Includes editing tools and multiple search engine options.

Reverse image search (Google, Bing, Yandex)Search from gallery or cameraSearch by image URL
🔧 Utilities
(13K)
subscription
16
Electrical engineering tools
Electrical engineering tools
Electrical engineering tools
Electrical calculation tools
Free
📊 Productivity
(0)
17
SEC Engineering Exposition
SEC Engineering Exposition
SEC Engineering Exposition
by Student Engineers Council at Virginia Tech
Free

Navigate a major engineering career fair with this app. Discover over 300 companies, explore their profiles and opportunities, and access professional development sessions. Schedule meetings and receive real-time updates to maximize your networking and career advancement.

Company directory with detailed profilesProfessional development session informationMeeting scheduling and networking tools
📊 Productivity
(9)
ad-supported
18
FIXD OBD2 Scanner
FIXD OBD2 Scanner
FIXD OBD2 Scanner
Clear Your Check Engine Light
Free

This app translates your car's diagnostic trouble codes into plain language, helping you understand potential issues and their severity. It provides maintenance reminders and offers advanced features like issue forecasting and emissions pre-checks with a premium subscription.

Translate check engine light codesUnderstand issue severityMaintenance reminders
🔧 Utilities
(26K)
free with in-app purchases
19
Mockup - UI/UX Design
Mockup - UI/UX Design
Mockup - UI/UX Design
Sketch, Wireframe, Prototype
Free

Design and prototype user interfaces and user experiences for apps and websites. Sketch ideas with Apple Pencil, create detailed wireframes with pre-set elements, and build interactive prototypes. Collaborate with others and export your designs in various formats.

Flexible canvas with device framesSketching tools with Apple Pencil supportWireframing with a library of preset elements
🎨 Graphics & Design
(521)
free with in-app purchases
20
Learn Civil Engineering
Learn Civil Engineering
Learn Civil Engineering
by Pollmine.Com
Free

Gain knowledge in civil engineering and business topics through AI-powered coaching, bite-sized videos, and quizzes. Dedicate just 60 minutes weekly to enhance your understanding and skills in various management and technical areas.

AI-driven coachBite-sized video lessonsInteractive quizzes
📚 Education
(42)
free