Engineering HandBook vs ONELAB
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Engineering formulas and calculations
- Materials classification and properties
- Basic and trigonometric calculations
- Unit conversions
- Gear drive formulas
- Metal cutting operation calculations
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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.
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.
- 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
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
Engineering HandBook ships an update every 2 weeks, ONELAB every 2 months. Both last shipped on June 8, 2026.
| Parameter | Engineering HandBook | ONELAB |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 2 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 6.0 — better | 9.0 |
| Further details — not scored | ||
| Size | 12 MB | 95 MB |
| Age rating | 4+ | 4+ |
| Developer | Raghu Srinivas | Christophe Geuzaine |
Customer experience
Engineering HandBook
ONELAB
In-app purchases
Engineering HandBook
No in-app purchases
ONELAB
No in-app purchases
Questions
Is Engineering HandBook free?
Is ONELAB free?
Which has better reviews, Engineering HandBook or ONELAB?
Do Engineering HandBook or ONELAB have ads?
Which is updated more often, Engineering HandBook or ONELAB?
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