Heat & Work vs iPTE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Heat & Work
Explore fundamental thermodynamics concepts with interactive animations and equations. Ideal for high school and university students, it covers basic definitions, the first and second laws, and various thermodynamic cycles. Teachers can use it to illustrate concepts in the classroom.
- Basic thermodynamics equations
- Interactive concept animations
- Covers first and second laws
- Illustrates thermodynamic cycles
- Classroom presentation mode
- Over 45 screens of content
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Heat & Work is an educative application in support to a high-school or university course of thermodynamics. It contains not only a memorandum of the basic equations, but it also contains several animations illustrating the various concepts of thermodynamics. More than 45 screens of thermodynamics! For teachers !! Connect your iPad with a video projector and show the animations to your students in classroom. List of covered subjects: Basic concepts: Definitions, Properties of substances and ideal gases. First law of thermodynamics: Work, Heat transfer and flow application. Second law of thermodynamics: Heat engines, Refrigerators, entropy, Carnot cycle. Application: Rankine cycles, Ideal refrigerator cycle, Otto cycle and Diesel cycle. Each section contains at least one animation or illustration.
iPTE
Explore the periodic table with extensive data on chemical elements and over 5500 isotopes. Features include element images, electron configurations, discovery history, and a solubility chart. Ideal for students, teachers, and science enthusiasts.
- Extensive element data
- Over 5500 isotopes
- Solubility chart
- Element images and electron configurations
- Discovery history
- Search functionality
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This fact-filled, image-rich app is the only periodic table you need. In the app You will find a huge amount of data about chemical elements. More than 5500 Isotopes of all the element are also in the app. You will learn a lot of new and useful for yourself, ideal if you're a student, teacher or just have an interest in the chemical sciences or nuclear sciences. The table has a long-form approved by the International Union of Pure and Applied Chemistry (IUPAC) as the core. Besides the elements, you can use the Table of solubility. - When you move your finger on any element provides information that is constantly updated. - Every item have an image of element and an image of electron configuration. - Discovery history. - Solubility Chart. - To find any element you can use the search by typing any character. - More than 5500 Isotopes of all the element. - Animation engarded to show the information. - IUPAC Naming or CAS Naming as your choice.
Screenshots
Verdict
The clearest difference is review sentiment: iPTE at 100% against Heat & Work's 67%. iPTE also leads on device support (4 vs 2) and price ($1.99 vs $2.99). On update cadence, 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
Heat & Work costs $2.99 and iPTE $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Heat & Work ships an update every 14 months, iPTE every 9 months. The most recent releases landed on September 29, 2026 and October 8, 2026 respectively.
| Parameter | Heat & Work | iPTE |
|---|---|---|
| Price | $2.99 | $1.99 — better |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 66.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 — better | — |
| Update frequency | Every 14 months | Every 9 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 98 MB |
| Age rating | 4+ | 4+ |
| Developer | Xavier Daxhelet | 建锋 宋 |
Customer experience
Heat & Work
iPTE
In-app purchases
Heat & Work
No in-app purchases
iPTE
No in-app purchases
Questions
Is Heat & Work free?
Is iPTE free?
Do Heat & Work or iPTE have ads?
Which is updated more often, Heat & Work or iPTE?
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