---
title: "Nitrox Buddy - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "Nitrox Buddy is a no-frills calculator app for nitrox/enriched air divers - use it to quickly calculate the most important data for your dive: Maximum Operating Depth/MOD, Equivalent Air Depth/EAD, Be"
---

# Nitrox Buddy — United States
> Nitrox/Enriched Air Calculator

![Nitrox Buddy App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple126/v4/20/79/25/207925fa-0106-0697-8c41-e9b004778028/AppIcon-0-1x_U007emarketing-0-5-85-220.png/434x0w.png)

**Developer:** [Gereon Steffens](https://apptail.io/developer/gereon-steffens-MGjb)
**Category:** Sports
**Rating:** 4.9/5 (452 ratings)
**Price:** Free
**Bundle ID:** org.steffens.Nitrox-Buddy
**Store:** Apple App Store
**Country:** United States
**Version:** 2.3.1 (released 2023-03-28)
**Original Release:** 2012-11-03
**Languages:** English, French, German

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id572411073)
**AppTail Page:** [https://apptail.io/app/nitrox-buddy-fErb/united-states](https://apptail.io/app/nitrox-buddy-fErb/united-states)

## Nitrox Buddy Description
Nitrox Buddy is a no-frills calculator app for nitrox/enriched air divers - use it to quickly calculate the most important data for your dive: Maximum Operating Depth/MOD, Equivalent Air Depth/EAD, Best Mix and PPO2. 

The app works with imperial or metric measurements, sea or fresh water, and allows you to select the maximum oxygen content and partial pressure.  

A companion watch app puts lets you perform all these calculations on your wrist.

## Nitrox Buddy Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/e9/2e/3a/e92e3a54-9ab3-2294-1b59-d280760ac571/414ae9f7-0ecf-4203-96a5-ca4c16fc78b7_Simulator_Screen_Shot_-_iPhone_11_Pro_Max_-_2023-01-29_at_18.53.06.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/a1/52/bd/a152bd63-bacb-8707-f963-2f32f99947d1/f1e5bdec-9204-4e82-af05-7ea5ee59564c_Simulator_Screen_Shot_-_iPhone_11_Pro_Max_-_2023-01-29_at_18.53.10.png/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/5b/97/a2/5b97a288-4e39-b23c-4e5e-d3f7fc042607/784e8b0d-22bb-4ef1-9e1a-cf57aa6a8c1d_Simulator_Screen_Shot_-_iPhone_11_Pro_Max_-_2023-01-29_at_18.53.13.png/1242x2688.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/0f/1b/95/0f1b957f-f134-1fac-e39e-b58c8ee9959b/be92bcd4-0a41-4eef-8e86-d957ee8e3a7e_Simulator_Screen_Shot_-_iPhone_11_Pro_Max_-_2023-01-29_at_18.53.15.png/1242x2688.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/69/db/f5/69dbf5e2-fd8b-b258-7054-cf35e1f02342/f84f4a46-514e-4eab-a741-d1881c23b13e_Simulator_Screen_Shot_-_iPhone_11_Pro_Max_-_2023-01-29_at_18.53.20.png/1242x2688.png)

## Nitrox Buddy Rating Breakdown in United States
- 5 stars: 414 (92%)
- 4 stars: 27 (6%)
- 3 stars: 7 (2%)
- 2 stars: 2 (0%)
- 1 stars: 2 (0%)

## Nitrox Buddy Reviews in United States

### ***** "All things Nitrox for divers"
It’s great - what more can I say!
-- Wsquam, 2025-08-23

### ***** "Nitrox buddy"
If you dive nitrox it is a definite must app and I highly recommend it👍
-- burgy?, 2025-08-04

### ***** "Great tool, thank you"
Works perfectly and easy to use
-- Kimura72, 2025-01-28

### ***** "Good app"
Very helpful
-- Marley pants, 2024-12-21

### ***** "Can’t believe it’s all free!"
This app is awesome. Very helpful for nitrox diving.
-- alein hunter, 2023-09-23

### ***** "Great"
Quick and easy to use way faster then tables
-- jdtvicrh, 2023-09-23

### ***** "Does exactly what you need it to do."
Quick calculator for nitric calculations.
-- RCPhysics, 2023-07-13

### ***** "Great little App!"
This is a great tool to easy calculate your MOD or find the best mix for a specific dive depth. As a Florida-based weekly Nitrox diver I use this app all the time. My local dive shop has been having trouble with their bank fills lately, so I’ve been using Nitrox Buddy to double check my MOD. If you dive Nitrox, then you need this easy to use app!
-- Sharkphotog, 2023-06-02

### ***** "Great app!"
Very easy to use! Highly recommended!
-- Sharpie34, 2023-05-07

### ***** "A+"
Awesome app
-- Apatergin, 2023-03-19

### ***** "Simple and great"
Everything you need to quickly check and or double check to make sure your safe
-- Easy money ;), 2023-03-09

### ***** "Nitrox buddy"
Absolutely loved it.
-- DM PUl, 2023-01-23

### ***** "Great App"
I have used this app for over 4 years. I use it to plan dives all the time as a professional Divemaster
-- DiveHale, 2022-12-23

### ***** "Straightforward nitrox calcs, easy to use"
Provides the basics and is very user friendly.
-- Saorsail, 2022-11-06

### ***** "Love it!"
Use this app all the time! Even when I know the mix and depths. It is great to verify, can’t have enough redundancy when diving.
-- its wetter deep, 2022-09-18

### ***** "Must have"
This app is straight forward and quickly allows me to determine my depth levels.  Other day first tank was 31% and second was 40% — this quickly let me feel comfortable knowing my limits.
-- stevewbright, 2022-09-17

### ***** "Great App for Nitrox"
The app gives you a good visual and is fun to let you tinker with mixtures. Very useful for those trying to understand nitrox for diving.
-- DeepDives, 2022-09-06

### ***** "Best Nitrox App Ever"
I use this app all the time while doing dive planning and essentially makes my math simple to do, especially when checking out my Nitrox tanks and filling out my tank labels. 

Thanks again Nitrox Buddy!
-- Cinnamon Panda, 2022-08-10

### ***** "Very simple and accurate"
Couldn’t ask for more. Slide the bar, get the answers. Great app!
-- Dr Patrick Calhoun, 2021-07-04

### ***** "Simple and accurate"
Great, simple, easy to use app for any EANx Diver. Thanks for the easy interface and uncomplicated data.
-- Pdcharter, 2020-09-06

[View all Nitrox Buddy reviews and detailed analytics on AppTail](https://apptail.io/account/signup?utm_campaign=ai-crawl&utm_content=reviews)

## Nitrox Buddy In-App Purchases
| Item | Price |
|------|-------|
| Tip | $0.99 |

## Nitrox Buddy Store Rankings
| Chart | Country | Category | Rank |
|-------|---------|----------|------|
| Top Free | Taiwan | Sports | #157 |
| Top Free | Kuwait | Sports | #160 |
| Top Free | Austria | Sports | #344 |
| Top Free | Peru | Sports | #452 |

## Nitrox Buddy Discovered Keywords
- dive calculator
- nitrox tools
- dive computer
- dive nitrox
- nitroxcalc
- nitrox buddy
- oceanic
- nitrox blender

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## Nitrox Buddy Available In
- [United States](https://apptail.io/app/nitrox-buddy-fErb/united-states)
- [United Kingdom](https://apptail.io/app/nitrox-buddy-fErb/united-kingdom)
- [Germany](https://apptail.io/app/nitrox-buddy-fErb/germany)
- [France](https://apptail.io/app/nitrox-buddy-fErb/france)
- [Belgium](https://apptail.io/app/nitrox-buddy-fErb/belgium)
- [Australia](https://apptail.io/app/nitrox-buddy-fErb/australia)
- [Italy](https://apptail.io/app/nitrox-buddy-fErb/italy)
- [Switzerland](https://apptail.io/app/nitrox-buddy-fErb/switzerland)
- [Canada](https://apptail.io/app/nitrox-buddy-fErb/canada)
- [Denmark](https://apptail.io/app/nitrox-buddy-fErb/denmark)
- [Poland](https://apptail.io/app/nitrox-buddy-fErb/poland)
- [Netherlands](https://apptail.io/app/nitrox-buddy-fErb/netherlands)
- [Austria](https://apptail.io/app/nitrox-buddy-fErb/austria)
- [Norway](https://apptail.io/app/nitrox-buddy-fErb/norway)
- [Spain](https://apptail.io/app/nitrox-buddy-fErb/spain)
- [Sweden](https://apptail.io/app/nitrox-buddy-fErb/sweden)
- [New Zealand](https://apptail.io/app/nitrox-buddy-fErb/new-zealand)
- [United Arab Emirates](https://apptail.io/app/nitrox-buddy-fErb/united-arab-emirates)
- [Thailand](https://apptail.io/app/nitrox-buddy-fErb/thailand)
- [Ireland](https://apptail.io/app/nitrox-buddy-fErb/ireland)
- [Philippines](https://apptail.io/app/nitrox-buddy-fErb/philippines)
- [Brazil](https://apptail.io/app/nitrox-buddy-fErb/brazil)
- [South Korea](https://apptail.io/app/nitrox-buddy-fErb/south-korea)
- [Chile](https://apptail.io/app/nitrox-buddy-fErb/chile)
- [Hungary](https://apptail.io/app/nitrox-buddy-fErb/hungary)
- [Indonesia](https://apptail.io/app/nitrox-buddy-fErb/indonesia)
- [Portugal](https://apptail.io/app/nitrox-buddy-fErb/portugal)
- [Israel](https://apptail.io/app/nitrox-buddy-fErb/israel)
- [Hong Kong SAR China](https://apptail.io/app/nitrox-buddy-fErb/hong-kong)
- [Egypt](https://apptail.io/app/nitrox-buddy-fErb/egypt)
- [Ukraine](https://apptail.io/app/nitrox-buddy-fErb/ukraine)
- [Slovenia](https://apptail.io/app/nitrox-buddy-fErb/slovenia)
- [Malta](https://apptail.io/app/nitrox-buddy-fErb/malta)
- [Malaysia](https://apptail.io/app/nitrox-buddy-fErb/malaysia)
- [Iceland](https://apptail.io/app/nitrox-buddy-fErb/iceland)
- [Saudi Arabia](https://apptail.io/app/nitrox-buddy-fErb/saudi-arabia)
- [Luxembourg](https://apptail.io/app/nitrox-buddy-fErb/luxembourg)
- [Türkiye](https://apptail.io/app/nitrox-buddy-fErb/turkey)
- [Greece](https://apptail.io/app/nitrox-buddy-fErb/greece)
- [Taiwan](https://apptail.io/app/nitrox-buddy-fErb/taiwan)
- [China](https://apptail.io/app/nitrox-buddy-fErb/china)
- [Mexico](https://apptail.io/app/nitrox-buddy-fErb/mexico)
- [Czechia](https://apptail.io/app/nitrox-buddy-fErb/czechia)
- [Bulgaria](https://apptail.io/app/nitrox-buddy-fErb/bulgaria)
- [Cyprus](https://apptail.io/app/nitrox-buddy-fErb/cyprus)
- [Lebanon](https://apptail.io/app/nitrox-buddy-fErb/lebanon)
- [Qatar](https://apptail.io/app/nitrox-buddy-fErb/qatar)
- [Russia](https://apptail.io/app/nitrox-buddy-fErb/russia)
- [Singapore](https://apptail.io/app/nitrox-buddy-fErb/singapore)
- [South Africa](https://apptail.io/app/nitrox-buddy-fErb/south-africa)
- [North Macedonia](https://apptail.io/app/nitrox-buddy-fErb/north-macedonia)
- [Japan](https://apptail.io/app/nitrox-buddy-fErb/japan)
- [India](https://apptail.io/app/nitrox-buddy-fErb/india)
- [Croatia](https://apptail.io/app/nitrox-buddy-fErb/croatia)
- [Finland](https://apptail.io/app/nitrox-buddy-fErb/finland)
- [Pakistan](https://apptail.io/app/nitrox-buddy-fErb/pakistan)
- [Romania](https://apptail.io/app/nitrox-buddy-fErb/romania)
- [Colombia](https://apptail.io/app/nitrox-buddy-fErb/colombia)
- [Argentina](https://apptail.io/app/nitrox-buddy-fErb/argentina)
- [Estonia](https://apptail.io/app/nitrox-buddy-fErb/estonia)
- [Lithuania](https://apptail.io/app/nitrox-buddy-fErb/lithuania)
- [Ecuador](https://apptail.io/app/nitrox-buddy-fErb/ecuador)
- [Algeria](https://apptail.io/app/nitrox-buddy-fErb/algeria)
- [Armenia](https://apptail.io/app/nitrox-buddy-fErb/armenia)
- [Kazakhstan](https://apptail.io/app/nitrox-buddy-fErb/kazakhstan)
- [Uzbekistan](https://apptail.io/app/nitrox-buddy-fErb/uzbekistan)
- [Dominican Republic](https://apptail.io/app/nitrox-buddy-fErb/dominican-republic)
- [Madagascar](https://apptail.io/app/nitrox-buddy-fErb/madagascar)
- [Vietnam](https://apptail.io/app/nitrox-buddy-fErb/vietnam)
- [Belarus](https://apptail.io/app/nitrox-buddy-fErb/belarus)
- [Slovakia](https://apptail.io/app/nitrox-buddy-fErb/slovakia)
- [Brunei](https://apptail.io/app/nitrox-buddy-fErb/brunei)
- [Bahrain](https://apptail.io/app/nitrox-buddy-fErb/bahrain)
- [Nigeria](https://apptail.io/app/nitrox-buddy-fErb/nigeria)
- [Azerbaijan](https://apptail.io/app/nitrox-buddy-fErb/azerbaijan)
- [Grenada](https://apptail.io/app/nitrox-buddy-fErb/grenada)
- [Nepal](https://apptail.io/app/nitrox-buddy-fErb/nepal)
- [Kuwait](https://apptail.io/app/nitrox-buddy-fErb/kuwait)
- [Peru](https://apptail.io/app/nitrox-buddy-fErb/peru)

---

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