# Dive Calculator vs Diving Calculator

The clearest difference is in-app purchases: Diving Calculator at none against Dive Calculator's 2. Diving Calculator also leads on update cadence (weekly vs every 12 months). Dive Calculator's advantage is iOS requirement (6.0 vs 12.0). On price, ads and device support there is nothing between them.

Both are free to download. Dive Calculator sells 2 one-off in-app purchases. Diving Calculator asks for nothing beyond the download.

Dive Calculator ships an update every 12 months, Diving Calculator weekly. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Dive Calculator | Diving Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (24 ratings)](https://appshunter.io/ios/app/dive-calculator/id831751437/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 12 months | **Weekly** |
| Monetization | Free | — |
| Size | 7 MB | 33 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zanthic Automation Inc.](https://appshunter.io/developer/574695320) | [Alberto Segovia](https://appshunter.io/developer/1724272655) |

## What reviewers say

### Dive Calculator

[App page](https://appshunter.io/ios/app/dive-calculator/id831751437)

This app provides comprehensive scuba diving calculations, including basic, nitrox, and trimix gas mixes. It supports both metric and imperial units, and allows for gas volume and cost calculations for blending and top-ups. Results can be easily copied for documentation.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases (2)**

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


### Diving Calculator

[App page](https://appshunter.io/ios/app/diving-calculator/id6680148006)

**In-app purchases:** none


## Frequently asked questions

### Is Dive Calculator free?

Dive Calculator is free to download, with in-app purchases available.

### Is Diving Calculator free?

Diving Calculator is free to download, with no in-app purchases.

### Do Dive Calculator or Diving Calculator have ads?

Neither Dive Calculator nor Diving Calculator shows ads.

### Which is updated more often, Dive Calculator or Diving Calculator?

Dive Calculator ships an update every 12 months, and Diving Calculator weekly. Most recently, Dive Calculator was updated on October 8, 2026 and Diving Calculator on October 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*