# Dive Kit vs WindWaterSail Forecast

The clearest difference is price: Dive Kit at Free against WindWaterSail Forecast's $9.99. Dive Kit also leads on update cadence (every 4 days vs every 9 days). WindWaterSail Forecast's advantage is in-app purchases (none vs 3). On rating, ratings volume, ads and device support there is nothing between them.

Dive Kit is free to download; WindWaterSail Forecast costs $9.99 up front. Dive Kit sells 3 in-app purchases, starting at $4.99 per month. WindWaterSail Forecast asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Dive Kit against 5.0 for WindWaterSail Forecast. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Dive Kit ships an update every 4 days, WindWaterSail Forecast every 9 days. Both last shipped on November 6, 2026.

## The numbers

| Metric | Dive Kit | WindWaterSail Forecast |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/dive-kit-deco-planner-and-tools/id6753089545/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/windwatersail-forecast/id6805314363/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 9 days |
| Monetization | Freemium | — |
| Size | 128 MB | 7 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [RONNY MAJANI](https://appshunter.io/developer/1842415083) | [Nils Albertsen](https://appshunter.io/developer/1891145155) |

## What reviewers say

### Dive Kit

[App page](https://appshunter.io/ios/app/dive-kit-deco-planner-and-tools/id6753089545)

This app offers advanced decompression planning for technical divers, including trimix and CCR dives. It also provides a suite of free tools for gas analysis, consumption, and dive preparation. Users can store certifications and access dive signals offline.

**Highlights:** Decompression planning (Bühlmann ZH-L16C), Trimix, CCR, and Nitrox support, Gradient factors and contingency planning, Free dive tools (Best Mix, Gas Specs), Offline functionality, Certification wallet, Dive signal library

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Skuba Tools Pro Monthly | $4.99 | per month |
| Tip | $0.99 | one-time |
| Decompression Planner | $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 Kit free?

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

### Is WindWaterSail Forecast free?

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

### Which has better reviews, Dive Kit or WindWaterSail Forecast?

Dive Kit and WindWaterSail Forecast are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

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

Neither Dive Kit nor WindWaterSail Forecast shows ads.

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

Dive Kit ships an update every 4 days, and WindWaterSail Forecast every 9 days. Most recently, Dive Kit was updated on November 6, 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.*