# Heat & Work vs Master JavaScript Programming

The clearest difference is review sentiment: Heat & Work at 67% against Master JavaScript Programming's 0%. Heat & Work also leads on rating (5.0 vs 1.5). Master JavaScript Programming's advantage is price ($0.99 vs $2.99) and iOS requirement (13.0 vs 16.0). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Heat & Work costs $2.99 and Master JavaScript Programming $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Heat & Work holds the better App Store score, 5.0 against 1.5. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 67% of Heat & Work's written reviews are positive against 0% of Master JavaScript Programming's.

Heat & Work ships an update every 14 months, Master JavaScript Programming every 10 months. The most recent releases landed on September 15, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | Heat & Work | Master JavaScript Programming |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/heat-and-work/id377771944/reviews)** | [1.5 (2 ratings)](https://appshunter.io/ios/app/master-javascript-programming/id1561572690/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | **66.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 10 months** |
| Monetization | Paid | Paid |
| Size | 14 MB | 68 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Xavier Daxhelet](https://appshunter.io/developer/339056993) | [Muhammad Mubeen](https://appshunter.io/developer/1553722821) |

## 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


### Master JavaScript Programming

[App page](https://appshunter.io/ios/app/master-javascript-programming/id1561572690)

Master JavaScript programming with this comprehensive guide. Learn core concepts, web development essentials, and popular frameworks like Angular and React. Ideal for aspiring software engineers and web developers.

**Highlights:** JavaScript fundamentals, Web development with HTML/CSS, Angular framework guide, React.js library tutorial, TypeScript introduction, Offline learning capability

**Features:** macOS Compatibility, 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 Master JavaScript Programming free?

Master JavaScript Programming costs $0.99, with no in-app purchases.

### Which has better reviews, Heat & Work or Master JavaScript Programming?

Heat & Work is rated higher. Heat & Work averages 5.0 out of 5 from 1 ratings, while Master JavaScript Programming averages 1.5 from 2 ratings.

### Do Heat & Work or Master JavaScript Programming have ads?

Neither Heat & Work nor Master JavaScript Programming shows ads.

### Which is updated more often, Heat & Work or Master JavaScript Programming?

Heat & Work ships an update every 14 months, and Master JavaScript Programming every 10 months. Most recently, Heat & Work was updated on September 15, 2026 and Master JavaScript Programming on August 23, 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.*