# Heat & Work vs iPTE

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.

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.

## The numbers

| Metric | Heat & Work | iPTE |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/heat-and-work/id377771944/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 9 months** |
| Monetization | Paid | Paid |
| Size | 14 MB | 98 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Xavier Daxhelet](https://appshunter.io/developer/339056993) | [建锋 宋](https://appshunter.io/developer/1098794568) |

## What reviewers say

### Heat & Work

[App page](https://appshunter.io/ios/app/heat-and-work/id377771944)

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.

**Highlights:** Basic thermodynamics equations, Interactive concept animations, Covers first and second laws, Illustrates thermodynamic cycles, Classroom presentation mode, Over 45 screens of content

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### iPTE

[App page](https://appshunter.io/ios/app/ipte/id1502419058)

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.

**Highlights:** Extensive element data, Over 5500 isotopes, Solubility chart, Element images and electron configurations, Discovery history, Search functionality

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Heat & Work free?

Heat & Work costs $2.99, with no in-app purchases.

### Is iPTE free?

iPTE costs $1.99, with no in-app purchases.

### Do Heat & Work or iPTE have ads?

Neither Heat & Work nor iPTE shows ads.

### Which is updated more often, Heat & Work or iPTE?

Heat & Work ships an update every 14 months, and iPTE every 9 months. Most recently, Heat & Work was updated on September 29, 2026 and iPTE on October 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*