Comparison

Engineering HandBook 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

Engineering HandBook

Access essential engineering formulas and concepts on the go. This app covers materials, numbers, mechanics, components, and metal cutting operations, providing accurate calculations for various engineering tasks.

Highlights
  • Engineering formulas and calculations
  • Materials classification and properties
  • Basic and trigonometric calculations
  • Unit conversions
  • Gear drive formulas
  • Metal cutting operation calculations
Features
Read full description

Engineering HandBook allows you to carry engineering concepts where-ever you go. Features available in Engineering handbook are: 1. Materials. 2. Numbers. 3. Mechanics. 4. Engineering Components, and 5. Metal Cutting Components. View various engineering related formulas and calculate values. Calculate accurately and access formulas while on worksite, in meetings, or during Work. Materials features: Classification of categories of ferrous metals (Steel, Iron), Non-ferrous metals and Plastics. Property details of various Elements. Calculate equal and unequal angles as per Indian Standards. Numbers features: Basic mathematical calculations. Trigonometric calculation. Pythagorean theorem. Inch to Millimeter and vice versa convertor. Units of physical quantities. Symbols, and Measures and weights. Mechanics features: Formulas for Gear drive and dimensions. Engineering Components Features: Hole to Shaft and vice versa Convertion. Metal Cutting Operation features: Calculate Folding, edging and Cold bending value. Cutting speed. Machining time. Clearance between die and punch, and Cutting force.

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

Engineering HandBook4 screens
REO Mechanical Engineering4 screens

Verdict

The call

The clearest difference is update cadence: Engineering HandBook at every 2 weeks against REO Mechanical Engineering's every 21 months. Engineering HandBook also leads on iOS requirement (6.0 vs 14.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Engineering HandBook ships an update every 2 weeks, REO Mechanical Engineering every 21 months. The most recent releases landed on October 2, 2026 and September 17, 2026 respectively.

Scorecard2 real differences · 7 level
Engineering HandBook versus REO Mechanical Engineering: the parameters behind the verdict, then further details
ParameterEngineering HandBookREO Mechanical Engineering
PriceFreeFree
Rating4.0 (4 ratings) — better—
Number of ratings4 — better—
Update frequencyEvery 2 weeks — betterEvery 21 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS6.0 — better14.0
Further details — not scored
Size12 MB452 MB
Age rating4+17+
DeveloperRaghu SrinivasRex Banggawan

In-app purchases

None

Engineering HandBook

No in-app purchases

None

REO Mechanical Engineering

No in-app purchases

Questions

Is Engineering HandBook free?
Engineering HandBook is free to download, with no in-app purchases.
Is REO Mechanical Engineering free?
REO Mechanical Engineering is free to download, with no in-app purchases.
Do Engineering HandBook or REO Mechanical Engineering have ads?
Neither Engineering HandBook nor REO Mechanical Engineering shows ads.
Which is updated more often, Engineering HandBook or REO Mechanical Engineering?
Engineering HandBook ships an update every 2 weeks, and REO Mechanical Engineering every 21 months. Most recently, Engineering HandBook was updated on October 2, 2026 and REO Mechanical Engineering on September 17, 2026.

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