# Dive Toolbox vs WindWaterSail Forecast

The clearest difference is price: Dive Toolbox at Free against WindWaterSail Forecast's $9.99. Dive Toolbox also leads on iOS requirement (15.0 vs 17.0). WindWaterSail Forecast's advantage is in-app purchases (none vs 2). On update cadence, ads and device support there is nothing between them.

Dive Toolbox is free to download; WindWaterSail Forecast costs $9.99 up front. Dive Toolbox sells 2 in-app purchases, starting at $5.99 per month. WindWaterSail Forecast asks for nothing beyond the download.

Dive Toolbox ships an update every 6 days, WindWaterSail Forecast every 9 days. The most recent releases landed on October 25, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Dive Toolbox | WindWaterSail Forecast |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/windwatersail-forecast/id6805314363/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 9 days |
| Size | 33 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Onosia](https://appshunter.io/developer/1880704645) | [Nils Albertsen](https://appshunter.io/developer/1891145155) |

## What reviewers say

### 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 |


### WindWaterSail Forecast

[App page](https://appshunter.io/ios/app/windwatersail-forecast/id6805314363)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is Dive Toolbox free?

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

### Is WindWaterSail Forecast free?

WindWaterSail Forecast costs $9.99, with no in-app purchases.

### Do Dive Toolbox or WindWaterSail Forecast have ads?

Neither Dive Toolbox nor WindWaterSail Forecast shows ads.

### Which is updated more often, Dive Toolbox or WindWaterSail Forecast?

Dive Toolbox ships an update every 6 days, and WindWaterSail Forecast every 9 days. Most recently, Dive Toolbox was updated on October 25, 2026 and WindWaterSail Forecast on November 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.*