# MOD Calculator

> Scuba diving Nitrox MOD calculator for EANx mixtures and PPO2 set points. (iPhone/iPad app by Jerry van de Stadt.)

- Source: https://appshunter.io/ios/app/mod-calculator/id591599029 (this page in markdown: same URL + `.md`)
- Developer: [Jerry van de Stadt](https://appshunter.io/developer/591598811)
- Category: Reference, Sports
- Price: $0.99
- Rating: 4.00/5 from 1 App Store ratings
- Age rating: 12+
- Requires: iOS 17.0 · 4 MB
- Languages: American English
- Released: 2013-01-10
- Data updated: 2026-09-06
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/mod-calculator/id591599029/reviews.md

## What is MOD Calculator?

Maximum Operating Depth calculator when using Nitrox for diving.  EANx mixtures from 21% to 50% with a PPO2 set point of 1.0 Bar - 1.6 Bar

## Key features

- Maximum Operating Depth calculation
- Nitrox (EANx) mixture support
- Oxygen percentage from 21% to 50%
- Adjustable PPO2 set point
- PPO2 range 1.0 to 1.6 Bar

## Chart rankings

- #195 in Top Paid · Reference (US App Store)


## Frequently asked questions about MOD Calculator

### What is MOD Calculator used for?

MOD Calculator is used to determine the Maximum Operating Depth for scuba dives when using Nitrox mixtures. It helps divers ensure they stay within safe limits based on their gas blend and desired partial pressure of oxygen.

### What Nitrox mixtures does MOD Calculator support?

MOD Calculator supports EANx mixtures with oxygen percentages ranging from 21% to 50%. This covers a common range of Nitrox blends used by recreational and technical divers.

### Can I adjust the PPO2 set point in MOD Calculator?

Yes, you can adjust the PPO2 set point within MOD Calculator. The app allows for set points between 1.0 Bar and 1.6 Bar, accommodating different diving standards and preferences.

### What is the price of MOD Calculator?

MOD Calculator is a paid app priced at $0.99. This one-time purchase grants you access to its features for calculating diving depths with Nitrox.

### What devices is MOD Calculator available on?

MOD Calculator is currently available for iPhone. It is designed to run on Apple's mobile devices.

### How often is MOD Calculator updated?

The latest version of MOD Calculator is 1.1, which was last updated on September 2, 2026. This indicates the app has received updates since its initial release in 2013.

### What is the age rating for MOD Calculator?

MOD Calculator has an age rating of 12+. This suggests it is suitable for users aged 12 and above.

### Does MOD Calculator have ads?

No, MOD Calculator does not contain advertisements. As a paid application, it offers an ad-free experience for its users.

## Version history (last 2 releases)

### 1.1 — 2026-09-02

Build from the ground up with the same functionality but with some different graphics to meet current requirements

### 1.0 — 2013-01-10

No release notes.

---

*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 2026-09-06.*