Engineering Cookbook vs Thermodynamics Calculator lite
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Engineering Cookbook
A handy reference guide for mechanical designers, offering quick access to essential information on fan basics, system and duct design, motors, heating, refrigeration, and conversion factors.
- Fan Basics
- System Design
- Duct Design
- Motors & Drives
- Heating & Refrigeration
- Formulas & Conversion Factors
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The Engineering Cookbook is a convenient reference guide for mechanical designers. It provides "fingertip" access to frequently needed information, including: • Fan Basics • System Design • Duct Design • Motors & Drives • Heating & Refrigeration • Formulas & Conversion Factors
Thermodynamics Calculator lite
This app provides 44 calculators for thermodynamics and thermal engineering, including formulas, tables, and constants. Additional calculators are available for purchase within the app. It's designed for mechanical engineers and students.
- 44 Thermodynamics calculators
- Formulas, tables, and constants
- Thermal engineering calculations
- In-app purchase for more calculators
- Useful for engineers and students
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Thermodynamics Calculator lite contains 44 Calculators related to THERMODYNAMICS / THERMAL ENGINEERING & with formulas , Tables, Constants and Calculations. List of Calculators are : 1.Carnot Efficiency (Carnot Cycle) 2.Eckert Number 3.Emissivity Coefficient 4.Energy Efficiency 5.Energy/Work Converter More Calculators available for in-App Purchase : 6.Enthalpy 7.Entropy 8.Fick's Law of Diffusion 9.Fouling Factor 10.Fourier Number 11.Heat Flow 12.Heat Storage 13.Heat Transfer Rate 14.Kinetic Energy 15.Laws of Thermodynamics 16.Lewis Number 17.Liquid Phase Diffusion Coefficient 18.Nusselt Number 19.Peclet Number 20.Potential Energy 21.Prandtl Number 22.Radiation Constant 23.Radiation Converter 24.Radiation Heat Transfer 25.Rankine Efficiency 26.Sherwood Number 27.Specific Heat Capacity Calculator 28.Specific Heat Capacity Converter 29.Stefan-Boltzmann Law 30.Surface Absorbtivities 31.Temperature Converter 32.Thermal Area Expansion 33.Thermal Conductivity (Common Liquids) 34.Thermal Conductivity (Heat Exchanger Materials) 35.Thermal Conductivity Calculator 36.Thermal Conductivity Converter 37.Thermal Diffusivity 38.Thermal Expansion Converter 39.Thermal Linear & Volumetric Expansion Relationship 40.Thermal Linear Expansion 41.Thermal Resistivity 42.Thermal Transmittance 43.Thermal Volumetric Expansion 44.Work Useful for Mechanical Engineers and Students. - with Formulas, tables and Definitions for easy reference.
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Verdict
The clearest difference is review sentiment: Engineering Cookbook at 73% against Thermodynamics Calculator lite's 0%. Engineering Cookbook also leads on in-app purchases (none vs 1) and ads (none vs shown). Thermodynamics Calculator lite's advantage is ratings volume (21 vs 6). On price, update cadence, device support and iOS requirement 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. Thermodynamics Calculator lite sells 1 one-off in-app purchase. Engineering Cookbook asks for nothing beyond the download.
Engineering Cookbook holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 6 and 21 respectively. Written reviews point the same way: 73% of Engineering Cookbook's written reviews are positive against 0% of Thermodynamics Calculator lite's.
Engineering Cookbook ships an update every 34 months, Thermodynamics Calculator lite every 17 months. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.
| Parameter | Engineering Cookbook | Thermodynamics Calculator lite |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (6 ratings) — better | 4.2 (21 ratings) |
| Positive reviews | 72.7% of reviews — better | 0.0% of reviews |
| Number of ratings | 6 | 21 — better |
| Update frequency | Every 34 months | Every 17 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 45 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Loren Cook Company | V PUGAZHENTHI |
Customer experience
Engineering Cookbook
Thermodynamics Calculator lite
In-app purchases
Engineering Cookbook
No in-app purchases
Thermodynamics Calculator lite
- 44 Thermodynamics Calculators$2.99
