# Combustion Guide - By Fives — The Ultimate Combustion App

> Comprehensive combustion guide with calculations, literature, and customizable units. (iPhone/iPad app by Fives North American Combustion Inc..)

- Source: https://appshunter.io/ios/app/combustion-guide-by-fives/id6447003291 (this page in markdown: same URL + `.md`)
- Developer: [Fives North American Combustion Inc.](https://appshunter.io/developer/1679983323)
- Category: Productivity, Education
- Price: Free
- Rating: 5.00/5 from 5 App Store ratings
- Age rating: 4+
- Requires: iOS 12.0 · 3 MB
- Languages: American English
- Released: 2023-10-02
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/combustion-guide-by-fives/id6447003291/reviews.md

## What is Combustion Guide?

The Combustion Guide™ by Fives is the ultimate app for anyone interested in combustion. Designed by Fives North American Combustion Inc., the app is packed with useful features to help you better understand combustion principles and products. With direct links to Fives literature, you can access practical pointers and gain insight into combustion technologies. The app also includes a range of combustion-related calculation tools, allowing you to create, mix, and combust your own custom fuels and oxidants.

The app is designed to be approachable to anyone, regardless of their background in combustion. Whether you're in academia or the combustion industry, the Combustion Guide™ is the perfect tool to help you streamline your work. With flexible options such as metric and US units, and standard to normal flow conversions, you can easily customize the app to meet your unique needs and take your combustion knowledge to the next level.

## Key features

- Combustion principle explanations
- Access to Fives literature
- Custom fuel and oxidant calculations
- Metric and US unit options
- Standard to normal flow conversions
- Industry-specific insights


## Frequently asked questions about Combustion Guide

### What is Combustion Guide used for?

Combustion Guide is used to understand combustion principles, access industry literature, and perform custom fuel calculations. It offers tools for creating and mixing custom fuels and oxidants.

### Who developed Combustion Guide?

Combustion Guide was developed by Fives North American Combustion Inc., a company specializing in combustion technologies.

### Is Combustion Guide suitable for beginners?

Yes, the app is designed to be approachable for anyone, regardless of their background in combustion, making it suitable for both beginners and experts.

### What kind of calculations can I perform with Combustion Guide?

You can perform calculations related to creating, mixing, and combusting custom fuels and oxidants. It also includes tools for standard to normal flow conversions.

### Does Combustion Guide support different units of measurement?

Yes, Combustion Guide offers flexible options for units, including metric and US units, to cater to diverse user needs.

### How often is Combustion Guide updated?

The latest version is 1.3.0, last updated on October 14, 2025. While specific update frequency isn't detailed, the app has received updates since its release on October 2, 2023.

### What devices is Combustion Guide available on?

Combustion Guide is available on iPhone, iPad, and iPod, indicating compatibility with Apple's iOS ecosystem.

### What is the user rating for Combustion Guide?

Combustion Guide has a perfect rating of 5.0 stars based on 5 ratings, suggesting a highly positive user reception.

## Version history (last 5 releases)

### 1.3.0 — 2025-10-14

Updated literature and added more handbook supplements.

### 1.2.1 — 2024-08-14

The latest release includes the kinematic viscosity unit mm2/s and has an added QR code in the About page to make it easier to share the app with others.

### 1.2.0 — 2024-02-29

Improved literature management, bug fixes.

### 1.1.1 — 2023-10-05

Fixed issue with importing custom streams.

### 1.1.0 — 2023-10-03

Added available heat calculation into the combust widget.

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## Related topics

[combustion of carbon compounds](https://appshunter.io/ios/topics/combustion-of-carbon-compounds) · [bacharach combustion](https://appshunter.io/ios/topics/bacharach-combustion) · [combustion](https://appshunter.io/ios/topics/combustion) · [ignition perspective](https://appshunter.io/ios/topics/ignition-perspective)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*