Comparison

Gear Design vs REO Mechanical Engineering

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

Head to head
About

Gear Design

Design involute gears with a CAD interface, allowing visual assessment through touch gestures. Generate and export STL data for 3D printing and perform tooth bending strength analysis with PDF sharing.

Highlights
  • Involute gear design
  • CAD interface
  • Touch gesture controls (zoom, rotate)
  • STL data generation
  • Email export
  • Tooth bending strength analysis
  • PDF sharing
Features
Read full description

Gear Design is great in designing involute gears from scratch. Application includes a CAD interface in front end where users can assess designed gears visually with their finger gestures (zoom, rotate, twist etc.). Users can easily generate STL data of the CAD model and export them via Email (Two step action: first generate data and then export via Email). Tooth bending strength analysis calculator is included with multiple sharing options, including a pdf file.

About

REO Mechanical Engineering

Features
Read full description

This app is a Learning Management System intended to help users tackle all the Philippine Mechanical Engineering Licensure Examination subjects. The app's primary objective is to enhance the knowledge and technical proficiency of the user needed to pass the licensure examination. It is designed to equip the user with the required competencies for a lifelong career in Engineering. Moreover, it also caters to students enrolled in mechanical engineering courses. It is a comprehensive reviewer mobile app covering all the topics and details in the Mechanical Engineering syllabus and TOS. It includes lecture notes intended to orient the user on the basic concepts of each topic. The app offers video lectures to augment the lecture notes to discuss the subject's more complex and complicated topics. Sample problems are presented during the lessons to teach the user the concepts and theories. The user can access the app and learn their pacing in a stress-free environment. The app provides interactive online exercises to develop the user's speed, accuracy, and endurance needed to pass the exams to test the user's progress. Exercises are constantly updated with fresh materials on a timely basis. The user can access the app and learn at their desired pacing. This app is part of the Real Excellence Online Review group of applications. Content is developed by a team of Mechanical Engineering board exam top-notchers and tenured and decorated Engineer Educators.

Screenshots

REO Mechanical Engineering4 screens

Verdict

The call

The clearest difference is price: REO Mechanical Engineering at Free against Gear Design's $2.99. REO Mechanical Engineering also leads on device support (3 vs 1). Gear Design's advantage is iOS requirement (9.3 vs 14.0). On update cadence, ads and in-app purchases 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

REO Mechanical Engineering is free to download; Gear Design costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Gear Design ships an update every 12 months, REO Mechanical Engineering every 21 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

Scorecard3 real differences · 7 level
Gear Design versus REO Mechanical Engineering: the parameters behind the verdict, then further details
ParameterGear DesignREO Mechanical Engineering
Price$2.99Free — better
Rating1.5 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 12 months — betterEvery 21 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPadiPhone, iPad, iPod — better
Requires iOS9.3 — better14.0
Further details — not scored
Size38 MB452 MB
Age rating4+17+
DeveloperDRH YAZILIM VE MUHENDISLIK HIZMETLERI LTD STIRex Banggawan

In-app purchases

None

Gear Design

No in-app purchases

None

REO Mechanical Engineering

No in-app purchases

Questions

Is Gear Design free?
Gear Design costs $2.99, with no in-app purchases.
Is REO Mechanical Engineering free?
REO Mechanical Engineering is free to download, with no in-app purchases.
Do Gear Design or REO Mechanical Engineering have ads?
Neither Gear Design nor REO Mechanical Engineering shows ads.
Which is updated more often, Gear Design or REO Mechanical Engineering?
Gear Design ships an update every 12 months, and REO Mechanical Engineering every 21 months. Most recently, Gear Design was updated on November 2, 2026 and REO Mechanical Engineering on November 7, 2026.

Other comparisons