# Dive Kit vs OVM

The clearest difference is price: Dive Kit at Free against OVM's $7.99. Dive Kit also leads on update cadence (every 3 days vs monthly). OVM's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

Dive Kit is free to download; OVM costs $7.99 up front. Dive Kit sells 3 in-app purchases, starting at $4.99 per month. OVM asks for nothing beyond the download.

Dive Kit ships an update every 3 days, OVM monthly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Dive Kit | OVM |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/dive-kit-deco-planner-and-tools/id6753089545/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Monthly |
| Monetization | Freemium | — |
| Size | 129 MB | 2 MB |
| Requires iOS | **16.4** | 16.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [RONNY MAJANI](https://appshunter.io/developer/1842415083) | [data-project bv](https://appshunter.io/developer/1896180478) |

## What reviewers say

### Dive Kit

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

This app provides comprehensive dive planning tools for various gas mixes, including trimix and CCR dives. It offers a suite of free utilities for gas analysis, usage, and buoyancy calculations, alongside educational content and a certification wallet. The premium version unlocks advanced planning features for complex dives.

**Highlights:** Open-circuit, trimix, and CCR dive planning, Automatic gas switching and unlimited segments, Offline functionality, Free dive utilities (gas analysis, usage, buoyancy), Dive signals and cylinder specifications, Certification wallet, Multi-language support

**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 |


### OVM

[App page](https://appshunter.io/ios/app/ovm/id6766059875)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dive Kit free?

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

### Is OVM free?

OVM costs $7.99, with no in-app purchases.

### Do Dive Kit or OVM have ads?

Neither Dive Kit nor OVM shows ads.

### Which is updated more often, Dive Kit or OVM?

Dive Kit ships an update every 3 days, and OVM monthly. Most recently, Dive Kit was updated on October 28, 2026 and OVM on October 25, 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.*