Comparison

Engineering HandBook vs ONELAB

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

ONELAB

This application provides a finite element package for simulating multi-physics problems. It integrates with open-source tools for mesh generation and solving, offering ready-to-use examples for electromagnetics, thermics, and mechanics.

Highlights
  • Finite element package
  • Multi-physic problem simulation
  • Electromagnetics, thermics, mechanics
  • Integrates with Gmsh and GetDP
  • Ready-to-use examples
  • Add new models via zip archives
Features
Read full description

ONELAB (http://onelab.info) is a finite element package based on the open source mesh generator Gmsh (http://gmsh.info) and the solver GetDP (http://getdp.info). It can be used to simulate a wide variety of multi-physic problems: electromagnetics, thermics, mechanics... ONELAB comes packaged with a selection of ready-to-use examples. New models can be added simply by opening the corresponding zip archive (in Safari, iCloud, Dropbox, etc.).

Screenshots

Engineering HandBook4 screens
ONELAB4 screens

Verdict

The call

The clearest difference is rating: ONELAB at 5.0 against Engineering HandBook's 4.0. Engineering HandBook's advantage is update cadence (every 2 weeks vs every 2 months) and ratings volume (4 vs 1). On price, ads, in-app purchases and monetization model 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.

ReceptionRating · Positive reviews · Number of ratings

ONELAB holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

UpkeepUpdate frequency

Engineering HandBook ships an update every 2 weeks, ONELAB every 2 months. Both last shipped on June 8, 2026.

Scorecard4 real differences · 6 level
Engineering HandBook versus ONELAB: the parameters behind the verdict, then further details
ParameterEngineering HandBookONELAB
PriceFreeFree
Rating4.0 (4 ratings)5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings4 — better1
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS6.0 — better9.0
Further details — not scored
Size12 MB95 MB
Age rating4+4+
DeveloperRaghu SrinivasChristophe Geuzaine

Customer experience

Engineering HandBook

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%

ONELAB

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Engineering HandBook

No in-app purchases

None

ONELAB

No in-app purchases

Questions

Is Engineering HandBook free?
Engineering HandBook is free to download, with no in-app purchases.
Is ONELAB free?
ONELAB is free to download, with no in-app purchases.
Which has better reviews, Engineering HandBook or ONELAB?
ONELAB is rated higher. Engineering HandBook averages 4.0 out of 5 from 4 ratings, while ONELAB averages 5.0 from 1 ratings.
Do Engineering HandBook or ONELAB have ads?
Neither Engineering HandBook nor ONELAB shows ads.
Which is updated more often, Engineering HandBook or ONELAB?
Engineering HandBook ships an update every 2 weeks, and ONELAB every 2 months. Most recently, Engineering HandBook was updated on June 8, 2026 and ONELAB on June 8, 2026.

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