Comparison

MotionGen vs PrepFE

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

Head to head
About

MotionGen

This app synthesizes and simulates planar four-bar linkages, solving motion generation problems for multiple positions. It allows users to design and simulate single degree of freedom linkages for robots and machines, incorporating various pivot and line constraints.

Highlights
  • Synthesizes planar four-bar linkages
  • Simulates linkage motion
  • Solves N-position motion generation problems
  • Incorporates pivot and line constraints
  • Designs single degree of freedom linkages
Features
Read full description

MotionGen synthesizes and simulates planar four-bar linkages. - It solves the motion generation problem for N-position problems. - Incorporates fixed- and moving-pivot and line constraints for 3 and 4 position problems. - Use MotionGen to design and simulate single degree of freedom linkages for your robot or machine.

About

PrepFE

Prepare for the FE Mechanical exam with practice problems and flashcards. Learn by doing with expert-curated content, track your progress, and identify areas for improvement. Study conveniently on your mobile device, anytime, anywhere.

Highlights
  • Practice FE exam questions
  • Interactive practice exams
  • Hundreds of practice questions
  • Detailed step-by-step explanations
  • Reinforce learning with flashcards
  • Breakdown of strengths and weaknesses
Features
Read full description

Don't spend time relearning topics from scratch and using poor resources. Jump right into practice problems and learn by doing! Supplement your learning with flash cards to learn the FE Reference Handbook and be familiar with your discipline's concepts. Take your exam practice on the go and learn with our curated content by engineering experts. Study whenever and wherever it’s convenient with PrepFE™. No need to carry around books and study guides. All you need is your phone and determination. Start your Professional Engineer journey and download the PrepFE - Mechanical app. Install the free version today and jump start your studying! We have provided a limited free version of the app that you can try before deciding to upgrade. This version includes a limited set of practice questions, flash cards, and basic progress metrics. *Practice FE exam questions* *Interactive Practice Exams* *Hundreds of Practice Questions* *Detailed & Step-by-Step Explanations* *Reinforce learning with Flash Cards* *Breakdown of strengths and weaknesses* *Updated for 2020* We have up to date content for the new category specifications: • Mathematics • Probability and Statistics • Ethics and Professional Practice • Engineering Economics • Electricity and Magnetism • Statics • Dynamics, Kinematics, and Vibrations • Mechanics of Materials • Material Properties and Processing • Fluid Mechanics • Thermodynamics • Heat Transfer • Measurements, Instrumentation, and Controls • Mechanical Design and Analysis

Screenshots

MotionGen4 screens
PrepFE4 screens

Verdict

The call

The clearest difference is rating: MotionGen at 3.4 against PrepFE's 2.0. MotionGen also leads on in-app purchases (none vs 9) and review sentiment (50% vs 17%). PrepFE's advantage is ratings volume (57 vs 15). On price, ads 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

Both are free to download. PrepFE sells 6 one-off in-app purchases. MotionGen asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

MotionGen holds the better App Store score, 3.4 against 2.0. Both are backed by a comparable volume of ratings — 15 and 57 respectively. Written reviews point the same way: 50% of MotionGen's written reviews are positive against 17% of PrepFE's.

Scorecard6 real differences · 4 level
MotionGen versus PrepFE: the parameters behind the verdict, then further details
ParameterMotionGenPrepFE
PriceFreeFree
Rating3.4 (15 ratings) — better2.0 (57 ratings)
Positive reviews50.0% of reviews — better16.7% of reviews
Number of ratings1557 — better
Update frequency—Every 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS7.0 — better13.0
Further details — not scored
Size9 MB288 MB
Age rating4+4+
DeveloperMechanismic Inc.PrepFE, Inc.

Customer experience

MotionGen

All ratings15 ratings
Positive60.0%
Neutral0.0%
Negative40.0%
Written reviews6 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

PrepFE

All ratings57 ratings
Positive24.6%
Neutral0.0%
Negative75.4%
Written reviews42 reviews
Positive16.7%
Neutral0.0%
Negative83.3%

In-app purchases

None

MotionGen

No in-app purchases

6 purchases

PrepFE

One-time6
  • 1 Month Access Renewal$47.99
  • 1 Month Access2 variants$59.99
  • 3 Months Access Renewal$61.99
Show 3 more
  • 6 Months Access Renewal$75.99
  • 3 Months Access2 variants$79.99
  • 6 Months Access2 variants$99.99

Questions

Is MotionGen free?
MotionGen is free to download, with no in-app purchases.
Is PrepFE free?
PrepFE is free to download, with in-app purchases available.
Which has better reviews, MotionGen or PrepFE?
MotionGen is rated higher. MotionGen averages 3.4 out of 5 from 15 ratings, while PrepFE averages 2.0 from 57 ratings.
Do MotionGen or PrepFE have ads?
Neither MotionGen nor PrepFE shows ads.

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