About Theory of Machines Pro
Theory of Machines Pro is a mechanical engineering app for students, diploma learners, machine design beginners, automobile learners and exam preparation users who want to study machine motion with structured lessons and practical calculators.
Learn Theory of Machines topics such as mechanisms, kinematics, gears, cams, belts, governors, flywheels, clutches, brakes, balancing, gyroscopic effects and vibration. The app is useful for offline study, lab reference, project support, viva preparation, interviews and engineering revision.
📚 15 Theory of Machines Subjects
• Foundations & Basics
• Kinematic Pairs, Chains & DOF
• Kinematics: Velocity & Acceleration
• Inversions & Special Mechanisms
• Belts, Ropes & Chain Drives
• Cams & Followers
• Gears: Fundamentals & Tooth Geometry
• Gear Trains & Differentials
• Governors & Speed Control
• Synthesis & Advanced Methods
• Dynamics, Forces & Vibrations
• Friction, Clutches & Brakes
• Flywheels & Energy Storage
• Applied Mechanisms & Automotive Systems
• Mega Machines & Case Studies
🧠 What You Will Learn
✅ Mechanisms and motion
Understand machines vs structures, links, pairs, chains, degrees of freedom, inversions, relative motion and special mechanisms.
✅ Velocity and acceleration
Study instant centres, angular velocity, angular acceleration, slider crank motion, piston displacement, piston velocity and piston acceleration.
✅ Gears, cams and drives
Learn gear ratio, gear speed, gear torque, gear trains, belts, chains, pulleys, cams, followers and power transmission.
✅ Dynamics and vibration
Explore flywheels, governors, friction, clutches, brakes, balancing, centrifugal force, gyroscopic couple, natural frequency, damping and shaft speed.
🧮 45 Theory of Machines Tools
Use calculators for four bar mechanism, slider crank, crank and connecting rod, piston displacement, piston velocity, angular acceleration, instantaneous centre, velocity ratio, mechanical advantage, mobility, degrees of freedom, Grashof mechanism, gear ratio, gear speed, gear torque, gear trains, gear module, pitch, centre distance, belt drives, cams, flywheels, governors, balancing, centrifugal force, gyroscopic couple, vibration and unit conversion.
✨ Core Features
✅ Detailed concept explanations
Read organized lessons for mechanical engineering, machine design, mechanisms, kinematics, dynamics, gears, cams, belts, flywheels, governors and vibration.
✅ 60 How-To lessons
Use practical How-To content to understand mechanism analysis, gear calculations, belt drives, cam motion, flywheel sizing, governor behavior and balancing.
✅ Notes feature
Create study notes for DOF, velocity analysis, gear trains, cam profiles, belt drives, flywheels, governors, friction, brakes and revision points.
✅ PDF or print support
Save lessons for classroom study, lab records, project work, workshop reference, exam preparation, viva questions and interviews.
✅ Offline learning, bookmark and search
Access lessons without internet, bookmark content and search mechanisms, gears, cams, belts, chains, governors, flywheels, balancing, brakes and vibrations.
🎯 Best For
• Mechanical engineering students
• Diploma and polytechnic learners
• Machine design and dynamics learners
• Automobile and robotics beginners
• Exam, viva and interview preparation
• Offline technical reference users
🚀 Why Choose Theory of Machines Pro?
Theory of Machines Pro brings machine theory, How-To lessons, notes, PDF or print support, bookmarks, search and 45 calculators into one app. It helps learners revise faster and connect classroom theory with practical mechanism calculations.
Download Theory of Machines Pro today and start learning mechanisms, DOF, slider crank motion, gears, gear trains, cams, belts, flywheels, governors, balancing, gyroscopic couple, vibrations and unit conversion offline.
Note: Educational reference only. Verify lessons and calculator results with textbooks, lab manuals, machine design references and engineering standards.
Theory of Machines Pro details
Theory of Machines Pro is a paid Education app for Android with 10+ installs on Google Play. It was released on November 15, 2017 and last updated on August 27, 2026. It requires Android 6.0 or later.
- Category
- Education
- Installs
- 10+
- Price
- $4.19
- In-app purchases
- No
- Ads
- No ads
- Current version
- 5.0 pro
- Requires Android
- 6.0
- Content rating
- Everyone
- Released
- November 15, 2017
- Last updated
- August 27, 2026
What’s new in Theory of Machines Pro
✅ Improved layout and design ✅ Added complete 45 theory of machines tools ✅ 30 more How-To guides added ✅ Enhanced offline support ✅ Redesigned Notes feature ✅ Redesigned Bookmark section ✅ Improved PDF/Print support, performance and user experience
Version 5.0 pro · Updated August 27, 2026
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| App | Rating | Price | Installs |
|---|---|---|---|
| Theory of Machines Pro | – | $4.19 | 10+ |
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| Softecks App Hub | – | Free | 1+ |
| PDF Tools | – | Free | 10+ |
| CNC Tools | – | Free | 10+ |
| Aura AI | – | Free | 1,000+ |
| Digital Marketing Maestro | – | Free | 100+ |