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Last updated on: 2026-07-19
Android Apps > Tools > Engineering Tools : Mechanical
Engineering Tools : Mechanical icon

Engineering Tools : Mechanical

383
TOLAN
4.75
1,281 reviews
50,000+
Downloads
$4.99

McLib Ai powered mechanical engineering tools and library.

Engineering Tools : Mechanical Screenshot 1 of 9
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4.75 · 1,281 reviews · 50,000+ downloads

About Engineering Tools : Mechanical

Engineering Tools : Mechanical is a tools app developed by TOLAN.

Download Statistics

Engineering Tools : Mechanical has been downloaded 71 thousand times. In the last 30 days, the app was downloaded 92 times.

User Ratings

Engineering Tools : Mechanical is rated 4.75 out of 5 stars. The rating is based on 1.3 thousand ratings.

App Information

Engineering Tools : Mechanical costs $4.99 to download. The APK download size is 76.50 MB. The latest version available is 383. The last update was on June 7, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on Google Play March 2017.

Description
This Mechanical Engineering App (McLib) is an all in one app for All Mechanical Engineering Needs, It Contains Various Important Mechanical Engineering tools.

The purpose of this software is to provide engineering students and professionals with engineering solutions.

Mechanical Engineering Library and 3D Viewing System

• Gearboxes
• Pillow blocks
• Pulleys
• Gears
• Bearings
• Bolt & Nuts
• Fans
• Measuring Tools

Project Calculations for Mechanical Engineers

• Detailed Heat Loss Calculations
• Natural Gas Installation Calculations
• Ventilation Calculations
• Other Calculations (Pipe diameter, circulation pump and hydrofor calculations)

Hydraulic & Pneumatic for Mechanical Engineers

Hydraulic ;

• Piston Cylinder Calculations
• Pump Calculations
• Accumulator Calculations
• Pipe Calculations
• Engine Calculations
• Temperature and Pressure Loss Calculations

Pneumatic ;

• Air Consumption Calculations
• Force Calculations

Production / Manufacturing for Mechanical Engineers

• Cutting Conditions Calculation
• Pressure Vessel Design Calculations
• Bearing Calculations
• Hardness Converter

Other Calculations for Mechanical Engineers

• Welding Calculation; Welding Heat Input Calculations
• Reinforced concrete steel bar (quantity) / (area) comparison calculation.

Also ;

• Tolerance and Fittings Calculator and Geometric Tolerances
• Theoretical Calculations(Bernoulli, Young's module, Differential pressure calculation etc.)
• A total of 15 mechanical property values for 73 materials can be easily accessed at any time.
• Material notes : Iron-Carbon Phase Diagram, Elastic-Plastic Diag. Stress-Strain Diag.
• Convert between hundreds of units in 26 different categories with Unit Converter.
• You can save the results of your calculations in PDF format and view them later.

Gemini Artificial Intelligence

Google official API for Gemini is integrated to this app.

• Generate text from text-only input : Sample app that summarizes text,

• Generate text from text-and-image input (multimodal) : Sample app for uploading images and asking about them,

• Build multi-turn conversations (chat) : Sample app demonstrating a conversational UI

Permissions

Camera : Take a photo with your camera and ask a question to Gemini AI!

Thank you !

Recent changes:
Migration from Java to Kotlin and Jetpack Compose will continue. We are releasing a portion of it for now.
Show more Show less

More data about Engineering Tools : Mechanical

Price $4.99
Total downloads 71 thousand
Recent downloads 92
Rating 4.75 based on 1.3 thousand ratings
Ranking Not ranked
Version 383
APK size 76.5 MB
Number of libraries 26
Suitable for Everyone
Ads NO ads

App Performance Report

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Engineering Tools : Mechanical compared with similar apps

Common keywords of similar apps

Text Input Gemini Sample Mclib Ai Library Heat Loss Pump Pneumatic Welding Diag Generate Camera Calculations Mechanical Engineering App Tools Engineers Calculation Pressure Pipe Hydraulic Converter

Keywords missing from this app

Calculator Calculators Calculate Flow Piping Civil Design Students Beam Length Fittings Materials Parameters Chemical Standards Recent Formulas Mechanics Support Volume Electrical Includes User Quickly Construction Units Easily Transfer Rate Thermodynamics Offline Concrete Machines Number Equation Energy Simple Process Asme

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Google Play Rating history and histogram

Rating history
Subscribe to see the full rating timeline
1.1K
110
53
0
26

Downloads over time

Downloads over time
Subscribe to see download velocity and history

Engineering Tools : Mechanical has been downloaded 71 thousand times. Over the past 30 days, it has been downloaded 92 times.

Changelog of Engineering Tools : Mechanical

Show changelog

Developer information for TOLAN

TOLAN

info@tolansoft.online

Website

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Address:

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Comments on Engineering Tools : Mechanical for Android

★★★★☆ Ivano Salis · Jan 22, 2025
Great engineering tool to use. It contains all the necessary information needed in an instant.
★★★★★ Aaron Markham · Feb 2, 2021
I'm not a mech engineer, just curious. Good god! This app is like a scientific calculator on overdrive! An ultra tool if you do anything with mechanical systems. It inspires me to read more about mechanical engineering. Highly recommended for scientific thinkers, home tinkers, and of course engineers.
★★★★★ Oleg Kuperman · Feb 6, 2021
Even for a non-engineer this tool is extremely useful when measurements are required! Surprised it's free, if I had the brainpower necessary to make an app like this one I'd charge for it.
★☆☆☆☆ Guppy 3000 · Apr 8, 2025
Keeps kicking me out when I use AI to ask questions
★★☆☆☆ Adam Ski · Nov 21, 2022
Seems OK, the UI is a bit ugly. The German translation however, is worthless in its current state... The developer states (but only AFTER the purchase) that they've used Google translator, and it shows: for instance, translating 'force' into 'Macht' has little to do with mechanical engineering, but more with Star Wars. Oh well...

Google Play Rankings for Engineering Tools : Mechanical

This app is not ranked

Technologies used by Engineering Tools : Mechanical

16 permissions · 26 libraries
Subscribe to see full permission and library details
Mechanical Calculator icon Mechanical Calculator
HydroWiz Pipe Flow Hydraulics icon HydroWiz Pipe Flow Hydraulics
Mechanical Engineering Calcula icon Mechanical Engineering Calcula
Mechanical Dictionary Offline icon Mechanical Dictionary Offline
Hydraulic System Calculator icon Hydraulic System Calculator
Pulley & Belt Calculator icon Pulley & Belt Calculator
Civil Engineering Pack icon Civil Engineering Pack
Mechanical Engineering One Pro icon Mechanical Engineering One Pro

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