ONELAB vs Mechanical Formula
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.).
Mechanical Formula
This app provides over 200 essential mechanical engineering formulas and calculations in a user-friendly tool. It's designed to simplify complex concepts and speed up problem-solving for students, professionals, and educators.
- 200+ mechanical engineering formulas
- Instant calculations
- Intuitive interface
- Real-world application explanations
- Exam preparation aid
- Lifetime Premium option
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The Mechanical Engineering Formula & Calculator app brings together 200+ essential mechanical engineering formulas and calculations in one powerful and easy-to-use tool. Designed specifically for mechanical students, professionals, and educators, this app simplifies complex concepts and makes problem-solving faster and more accurate. Developed by engineers for engineers, this app covers a wide range of mechanical engineering topics, helping users understand the principles behind each formula and how they are applied in real-world scenarios. Whether you are studying, revising, or working on-site, this app serves as your reliable engineering companion. With an intuitive interface, you can easily select any calculator, enter the required values, and get instant results with clear output. No complicated steps — just accurate calculations at your fingertips. Perfect for: - Mechanical engineering students - Practicing engineers - Technical instructors - Exam preparation & quick reference Boost your productivity and master mechanical calculations with confidence. In app purchase included : Lifetime Premium Privacy policy : https://chatlyst.in/privacy.html Terms and condition : https://chatlyst.in/tcondition.html
Screenshots
Verdict
The clearest difference is review sentiment: ONELAB at 100% against Mechanical Formula's 0%. ONELAB also leads on in-app purchases (none vs 1) and rating (5.0 vs 4.7). Mechanical Formula's advantage is ratings volume (34 vs 1). 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
Both are free to download. Mechanical Formula sells 1 one-off in-app purchase. ONELAB asks for nothing beyond the download.
ONELAB holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Mechanical Formula has 34 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of ONELAB's written reviews are positive against 0% of Mechanical Formula's.
ONELAB ships an update every 2 months, Mechanical Formula every 4 months. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.
| Parameter | ONELAB | Mechanical Formula |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.7 (34 ratings) |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 1 | 34 — better |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 95 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Christophe Geuzaine | Kantaben Gorasiya |
Customer experience
ONELAB
Mechanical Formula
In-app purchases
ONELAB
No in-app purchases
Mechanical Formula
- Lifetime$9.99
Questions
Is ONELAB free?
Is Mechanical Formula free?
Which has better reviews, ONELAB or Mechanical Formula?
Do ONELAB or Mechanical Formula have ads?
Which is updated more often, ONELAB or Mechanical Formula?
Other comparisons
