Comparison

MotionGen vs EnginPrep

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

EnginPrep

Prepare for the FE Civil and Mechanical exams with daily practice problems and comprehensive review lessons. Track your progress, identify weak spots, and take timed mock exams. Sync your learning across devices with a single account.

Highlights
  • Daily FE practice problems
  • Worked solutions for all problems
  • Topic-specific content review
  • Timed mock exams
  • Weak spot identification drills
  • Progress tracking and syncing
  • Cross-device compatibility
Features
Read full description

Pass the FE exam with EnginPrep, the FE prep platform built by an engineer who’s been through it. Practice on your phone, review on your laptop, and keep every bit of progress with one account on enginprep.com and this app. Start free, no sign-up required: three new FE problems every day with complete worked solutions, for both Civil and Mechanical. FREE DAILY PROBLEM SET A fresh set of three exam-style problems each day, the same set on the website and in the app. Work them, check your answer, and read the full solution. FULL ACCESS INCLUDES Quick Practice Choose your topics and work through hundreds of problems written to the NCEES exam specification. Every problem has a step-by-step solution, and figures zoom so you can read every dimension. Content Review A lesson for every topic on the Civil and Mechanical FE specs, with practice problems you can regenerate for new numbers until the method sticks. Exam Mode Timed mock exams that mirror the real FE: topic weighting from the NCEES spec, a full-length 110-question exam or a shorter session, breaks, and no feedback until you finish. Then a score breakdown by topic so you know exactly where you stand. Weak Spot Drills The app tracks your accuracy by topic and builds a drill from your lowest-scoring areas. Spend your study time where it counts. Progress Tracking See accuracy by topic, sessions over time, and your daily streak — synced with the website so you can study anywhere. ONE ACCOUNT, EVERYWHERE Your EnginPrep subscription covers enginprep.com and this app. Start a session on your phone during a commute and finish the review on your laptop that night. Built for the FE Civil and FE Mechanical exams. Works on iPhone and iPad, light and dark mode. Questions? Email team@enginpeers.com.

Screenshots

MotionGen4 screens
EnginPrep4 screens

Verdict

The call

The clearest difference is rating: EnginPrep at 4.4 against MotionGen's 3.3. EnginPrep also leads on ratings volume (192 vs 16) and review sentiment (62% vs 50%). MotionGen's advantage is in-app purchases (none vs 1) and iOS requirement (7.0 vs 16.4). 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. EnginPrep sells 1 one-off in-app purchase. MotionGen asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

EnginPrep holds the better App Store score, 4.4 against 3.3. That said, the two scores are not equally well evidenced: EnginPrep has 192 ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 50% of MotionGen's written reviews are positive against 62% of EnginPrep's.

Scorecard6 real differences · 4 level
MotionGen versus EnginPrep: the parameters behind the verdict, then further details
ParameterMotionGenEnginPrep
PriceFreeFree
Rating3.3 (16 ratings)4.4 (192 ratings) — better
Positive reviews50.0% of reviews61.5% of reviews — better
Number of ratings16192 — better
Update frequency—Every 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS7.0 — better16.4
Further details — not scored
Size9 MB45 MB
Age rating4+4+
DeveloperMechanismic Inc.EnginPeers LLC

Customer experience

MotionGen

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

EnginPrep

All ratings192 ratings
Positive84.4%
Neutral4.7%
Negative10.9%
Written reviews13 reviews
Positive61.5%
Neutral0.0%
Negative38.5%

In-app purchases

None

MotionGen

No in-app purchases

1 purchases

EnginPrep

One-time1
  • Premium Content$4.99

Questions

Is MotionGen free?
MotionGen is free to download, with no in-app purchases.
Is EnginPrep free?
EnginPrep is free to download, with in-app purchases available.
Which has better reviews, MotionGen or EnginPrep?
EnginPrep is rated higher. MotionGen averages 3.3 out of 5 from 16 ratings, while EnginPrep averages 4.4 from 192 ratings.
Do MotionGen or EnginPrep have ads?
Neither MotionGen nor EnginPrep shows ads.

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