# Dive Calculator

> Scuba diving gas mix and calculation tool for divers. (iPhone/iPad app by Zanthic Automation Inc..)

- Source: https://appshunter.io/ios/app/dive-calculator/id831751437 (this page in markdown: same URL + `.md`)
- Developer: [Zanthic Automation Inc.](https://appshunter.io/developer/574695320)
- Category: Sports, Utilities
- Price: Free with in-app purchases
- Rating: 4.60/5 from 24 App Store ratings · 6 written reviews indexed
- Age rating: 4+
- Requires: iOS 6.0 · 7 MB
- Languages: American English
- Released: 2014-04-13
- Data updated: 2026-06-07
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/dive-calculator/id831751437/reviews.md

## What is Dive Calculator?

A wide variety of scuba based calculations for all levels of divers.  

Basic Calculations Include:
-ATA
-SAC / RMV rates
-Tank volume / Pressure rating
-Basic unit conversions

Nitrox Calculations Include:
-EANx best mix
-Integrated top-up and bleed down mix calculations
-What if top–up 
-EANx mix planning

Trimix Calculations Include:
-Integrated top-up and bleed down mix calculations
-What if top–up 
-Trimix planning 
-Best Trimix
-Heliair

All blending and top up pages include gas volume and cost calculations.  

Trimix gas fill orders can be changed by simply dragging the icons to select the fill order.  

Oxygen can be selected as narcotic / non-narcotic on the appropriate calculation pages.

Results can be copied to the clipboard in a text format for use in E-mails, messages or other forms of documentation.

All pages support metric and imperial units.  Many pages include both metric and imperial units.

## Key features

- Basic, Nitrox, and Trimix calculations
- Gas volume and cost calculations
- Top-up and bleed down mix calculations
- Metric and imperial unit support
- Oxygen narcotic/non-narcotic selection
- Copy results to clipboard

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| EANx Calculations | $0.99 | one-time |
| Trimix Calculations | $0.99 | one-time |


## Recent user reviews (6 of 6)

All indexed reviews: https://appshunter.io/ios/app/dive-calculator/id831751437/reviews.md

### 5/5 — Excellent diving app

*2022-09-07, version 1.2*

It works well with all size tanks and with psi’s for SAC !

### 5/5 — Really nice tool!

*2021-03-26, version 1.2*

Useful to aid in understanding as well for gas planning.

### 5/5 — Great App

*2020-10-09, version 1.2*

Great features and intuitive working interface!

### 5/5 — Nice

*2019-10-27, version 1.2*

A little hard to understand sometimes

### 4/5 — Dive Calculator

*2019-06-30, version 1.2*

Very handy!!! I use it often

### 5/5 — Great time saver

*2017-12-26, version 1.2*

If you make it easy to calculate things like SAC Rate, you will do it more often. This app is a time saver.

## Frequently asked questions about Dive Calculator

### What types of scuba calculations does Dive Calculator offer?

Dive Calculator offers basic calculations like ATA and SAC/RMV rates, nitrox calculations for EANx mixes, and trimix calculations including best trimix and heliair. It also handles gas volume and cost calculations for blending and top-ups.

### Does Dive Calculator support different units of measurement?

Yes, Dive Calculator supports both metric and imperial units across many of its calculation pages. This allows divers to work with their preferred measurement system.

### Can I save or share the results from Dive Calculator?

Yes, results from Dive Calculator can be copied to the clipboard in a text format. This makes it easy to use the calculations in emails, messages, or other documentation.

### Is Dive Calculator suitable for beginners and experienced divers?

The app is designed for all levels of divers, offering basic calculations for beginners and more advanced nitrox and trimix planning for experienced divers.

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

Dive Calculator has an age rating of 4+, making it suitable for a wide range of users. It is available on iPhone, iPad, and iPod.

### How often is Dive Calculator updated?

The latest version of Dive Calculator is 1.2, which was last updated on March 23, 2016. While it has not been updated recently, its core functionality remains relevant for scuba calculations.

### Does Dive Calculator have ads?

No, Dive Calculator does not contain advertisements. It is a free application that offers its full functionality without interruptions from ads.

### What is the user rating for Dive Calculator?

Dive Calculator has a strong user rating of 4.6 stars, based on 24 ratings. This indicates a high level of user satisfaction with the app's features and performance.

## Version history (last 3 releases)

### 1.2 — 2016-03-23

This app has been updated by Apple to display the Apple Watch app icon.

- Support for iOS 9.2.1
- UI fixes
- Miscellaneous bug fixes

### 1.1 — 2014-07-11

Removed In App Purchases

### 1.0 — 2014-04-12

No release notes.

## Apps similar to Dive Calculator

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Octavius](https://appshunter.io/ios/app/octavius/id1660568386) | — | Free | Sports |
| [Nitrox Buddy](https://appshunter.io/ios/app/nitrox-buddy/id572411073) | 4.9 (431) | Free | Sports |
| [Alert Diver](https://appshunter.io/ios/app/alert-diver/id480608662) | 4.0 (4) | Free | Sports |
| [DecoPlanner mobile](https://appshunter.io/ios/app/decoplanner-mobile/id1580563324) | — | Free | Sports |
| [Subsurface-mobile](https://appshunter.io/ios/app/subsurface-mobile/id1093217161) | 4.5 (46) | Free | Sports |
| [Buddy: Social Dive App](https://appshunter.io/ios/app/buddy-social-dive-app/id1588860327) | 4.3 (48) | Free | Sports |

## More apps by Zanthic Automation Inc.

- [Free Hydraulic Cylinder Calculator](https://appshunter.io/ios/app/free-hydraulic-cylinder-calculator/id601253431)
- [Hydraulic Power Unit](https://appshunter.io/ios/app/hydraulic-power-unit/id608111471)
- [Hydraulic-Calculator](https://appshunter.io/ios/app/hydraulic-calculator/id612615039)
- [Pneumatic Cylinder](https://appshunter.io/ios/app/pneumatic-cylinder/id620275578)

All apps by Zanthic Automation Inc.: https://appshunter.io/developer/574695320

## Related topics

[erdpml](https://appshunter.io/ios/topics/erdpml) · [nitrox buddy](https://appshunter.io/ios/topics/nitrox-buddy)

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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 2026-06-07.*