# Oil Nozzle Output Calculator — user reviews

> 9 indexed App Store user reviews of Oil Nozzle Output Calculator by EOGB Energy Products Ltd.

- Source: https://appshunter.io/ios/app/oil-nozzle-output-calculator/id496184302/reviews
- App overview in markdown: https://appshunter.io/ios/app/oil-nozzle-output-calculator/id496184302.md

## Most critical reviews (9 lowest-rated)

### 4/5 — Great app until OS11

*2017-12-07, version 1.5*

Shame that EOGB haven’t bothered to update the app. We all used this so much which helps a lot in the field when selecting Burners oil nozzles. As a paid for app this is shameful really. App makers were warned long ago about transferring from 32bit tech to 64bit tech final killing 32bit in OS11.

### 4/5 — Ok

*2012-03-16, version 1.0*

How come there isn't an option for 1.25? Fairly common nozzle I would say.

### 5/5 — App works fine after update

*2018-07-17, version 1.7*

The app has been updated to work with IOS 11 and works fine

### 5/5 — Nozzle Calc

*2017-12-16, version 1.6*

This is a great app ,I’ve used it countless times and is a quick and easy to use tool.
This app doesn’t work with the latest iOS update tho:(
So please EOGB can you update it so it can be used with the latest version of iOS!

YES ,just got the update.
THANK YOU EOGB!

### 5/5 — Nozzle Calculator

*2012-04-13, version 1.1*

Highly recommended for any oil technician who prides in getting it right. I have been at it 5 years now and find this very helpful for getting the right nozzle for the right output. Wish OFTEC  would come on board and recommend this during training. Thanks EOGB.

### 5/5 — Great Idea

*2012-03-05, version 1.0*

Brilliant app, wished I had found it years ago!

### 5/5 — Mack

*2012-02-29, version 1.0*

Long overdue. Makes calculating so much easier and quicker. Will definitely recommend this app. Excellent for calculating when boilers have no identification.

### 5/5 — Extremely useful

*2012-02-22, version 1.0*

Brilliant app, very handy to have as a tool, saves a lot of time working things out on site and I found it especially useful setting up when a change of fuel type is being implemented.would be useful to have a KW-BTU option on an update but that said I will certainly be recommending this app. Thank you EOGB!!

### 5/5 — Excellent idea

*2012-01-29, version 1.0*

Very useful app, particularly useful on older appliances and commercial boilers when no data is available.The efficiency scale is good as you can change to suit appliances plus the eh/es to h/s is of use selecting an alternative nozzle.Thanks

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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 2026-06-10.*