Comparison

Thermodynamics Calculators vs Learn Thermal Engineering

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Thermodynamics Calculators

This app provides engineering professionals with a powerful tool for thermodynamics calculations. It features a comprehensive dataset for various species and a range of building blocks to construct complex models. An illustrative sample model is included for guidance.

Highlights
  • Temperature-dependent property data for 8 species
  • Building blocks for model creation
  • Daisy-chaining blocks for complex models
  • Includes one sample model
  • Validated against commercial software
Features
Read full description

A calculator designed for engineering professionals in Mechanical and Chemical Engineering industries. Validated against state-of-the-art commercial software. Temperature dependent property data set for 8 species - H2O, H2, N2, O2, CO2, Ar, CO and CH4, for accurate calculations. Building blocks available: Burner, Compressor, Expander, Cooler, Heater, Heat Exchanger, CPOX Reformer, SMR Reformer, Fuel Cells (molten carbonate, PEM and solid-oxide) and Water Dropout. User can daisy-chain these building blocks to create basic models. One illustrative sample model included.

About

Learn Thermal Engineering

Features
Read full description

Learn Thermal Engineering brings organized lessons, chapter-based quizzes, study notes, and learning progress into one focused educational experience. Explore essential thermal engineering concepts at your own pace, revisit material, and keep track of your studies through a clear, practical interface. EXPLORE STRUCTURED CHAPTERS Navigate 18 chapters, 140 lessons, and 280 quiz questions shown in the app. Lessons are grouped by chapter so you can move through topics in an organized sequence. Open a chapter to see its lessons, reading information, quiz counts, and completion status. Continue reading unfinished material or return to a lesson you have already completed. STUDY THERMAL ENGINEERING CONCEPTS Explore the Introduction to Thermal Engineering, including Basic Concepts of Thermal Engineering, Thermodynamic Systems and Surroundings, Properties of Thermodynamic Systems, Temperature and Thermal Equilibrium, Pressure, Volume and Density, Energy, Work and Heat, and Units and Dimensions in Thermal Engineering. Other visible chapter topics include Thermodynamic Systems and Properties, Zeroth Law and Temperature Measurement, First Law of Thermodynamics, and Properties of Pure Substances. The lesson-based layout lets you focus on one subject at a time and see how your study progresses. PRACTICE WITH LESSON QUIZZES Use quizzes linked to lessons to check your understanding as you study. The My Quizzes screen shows quiz titles, the associated chapter, and question counts. Start an unattempted quiz, see completed status indicators, review your previous score, or choose Retake Quiz to practice again. These features make it simple to return to questions after reading a lesson. FOLLOW YOUR LEARNING PROGRESS See overall completion information, completed lessons, and chapter progress at a glance. Individual lesson cards display completion percentages and reading details, helping you identify what you have finished and what remains. The home screen brings together chapter totals, lesson totals, and quiz totals for a convenient overview of your learning material. BUILD A REGULAR STUDY ROUTINE The Daily Goals area displays lessons completed today, your learning streak, study time, and quiz activity. Use these visible indicators to follow your daily learning activity. A dedicated Schedule section is also available from the app navigation, alongside Home, Search, Progress, Help, and Menu. KEEP STUDY NOTES Use Study Notes and Take Notes while reviewing lessons. Keep important concepts together so you can return to your own notes during future study sessions. Notes sit alongside the learning content rather than requiring a separate study workflow. FIND AND REVIEW TOPICS Browse All Chapters, visit Popular Topics for quick access, or use Search to navigate learning material. The app keeps lessons, quizzes, notes, and progress in distinct sections, making it easier to move between reading, practice, and review. A CLEAR WAY TO LEARN Learn Thermal Engineering is designed around a simple study cycle: explore a chapter, read a lesson, practice its quiz questions, take notes, and check your progress. Follow your own pace, revisit earlier topics, and use completion indicators to guide your next study session. Whether you are beginning with basic concepts or reviewing thermodynamic topics, the app provides an organized place to continue learning. Explore lessons, practice questions, and monitor your progress with Learn Thermal Engineering. LESSON DETAILS AT A GLANCE Chapter screens show reading time, the number of lessons, quiz questions, and a progress bar. Lesson cards distinguish completed work from material still waiting to be read. The quiz list also separates attempted and unattempted quizzes, so you can choose where to practice next. Review the previous score shown for a completed quiz before trying it again. Use these simple details to plan your next reading or practice session without losing sight of your progress. Keep learning.

Screenshots

Thermodynamics Calculators4 screens
Learn Thermal Engineering4 screens

Verdict

The call

The clearest difference is price: Thermodynamics Calculators at Free against Learn Thermal Engineering's $2.99. Thermodynamics Calculators also leads on update cadence (weekly vs every 20 months). Learn Thermal Engineering's advantage is in-app purchases (none vs 3) and device support (3 vs 1). On ads 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

CostPrice · In-app purchases · Ads · Monetization

Thermodynamics Calculators is free to download; Learn Thermal Engineering costs $2.99 up front. Thermodynamics Calculators sells 3 one-off in-app purchases. Learn Thermal Engineering asks for nothing beyond the download.

UpkeepUpdate frequency

Thermodynamics Calculators ships an update weekly, Learn Thermal Engineering every 20 months. Both last shipped on November 3, 2026.

Scorecard4 real differences · 6 level
Thermodynamics Calculators versus Learn Thermal Engineering: the parameters behind the verdict, then further details
ParameterThermodynamics CalculatorsLearn Thermal Engineering
PriceFree — better$2.99
Rating5.0 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyWeekly — betterEvery 20 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.615.6 — better
Further details — not scored
Size6 MB81 MB
Age rating4+9+
DeveloperLucy EnterprisesMuhammad Umair

In-app purchases

3 purchases

Thermodynamics Calculators

One-time3
  • Edit option$0.99
  • Remove ads$1.99
  • Modeling access$4.99
None

Learn Thermal Engineering

No in-app purchases

Questions

Is Thermodynamics Calculators free?
Thermodynamics Calculators is free to download, with in-app purchases available.
Is Learn Thermal Engineering free?
Learn Thermal Engineering costs $2.99, with no in-app purchases.
Do Thermodynamics Calculators or Learn Thermal Engineering have ads?
Neither Thermodynamics Calculators nor Learn Thermal Engineering shows ads.
Which is updated more often, Thermodynamics Calculators or Learn Thermal Engineering?
Thermodynamics Calculators ships an update weekly, and Learn Thermal Engineering every 20 months. Most recently, Thermodynamics Calculators was updated on November 3, 2026 and Learn Thermal Engineering on November 3, 2026.

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