# Diving Calculator vs Dive Toolbox

The clearest difference is in-app purchases: Diving Calculator at none against Dive Toolbox's 2. Diving Calculator also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Dive Toolbox sells 2 in-app purchases, starting at $5.99 per month. Diving Calculator asks for nothing beyond the download.

Diving Calculator ships an update weekly, Dive Toolbox every 6 days. The most recent releases landed on September 18, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Diving Calculator | Dive Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 6 days** |
| Size | 33 MB | 33 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alberto Segovia](https://appshunter.io/developer/1724272655) | [Onosia](https://appshunter.io/developer/1880704645) |

## What reviewers say

### Diving Calculator

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

**In-app purchases:** none


### Dive Toolbox

[App page](https://appshunter.io/ios/app/dive-toolbox/id6759796903)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $5.99 | per month |
| Premium Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Diving Calculator free?

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

### Is Dive Toolbox free?

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

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

Neither Diving Calculator nor Dive Toolbox shows ads.

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

Diving Calculator ships an update weekly, and Dive Toolbox every 6 days. Most recently, Diving Calculator was updated on September 18, 2026 and Dive Toolbox on September 24, 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.*