# MultiDeco vs Deep Frontier Dive Tools

The clearest difference is price: Deep Frontier Dive Tools at Free against MultiDeco's $48.99. MultiDeco's advantage is in-app purchases (none vs 1). On update cadence, ads, device support and iOS requirement there is nothing between them.

Deep Frontier Dive Tools is free to download; MultiDeco costs $48.99 up front. Deep Frontier Dive Tools sells 1 one-off in-app purchase. MultiDeco asks for nothing beyond the download.

MultiDeco ships an update every 3 months, Deep Frontier Dive Tools every 2 months. The most recent releases landed on October 6, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | MultiDeco | Deep Frontier Dive Tools |
| --- | --- | --- |
| Price | $48.99 | **Free** |
| Rating | **[3.9 (11 ratings)](https://appshunter.io/ios/app/multideco/id781437836/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 38.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 2 MB | 3 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HHS Software Corp.](https://appshunter.io/developer/301978863) | [Christoph Heinrich Fischer](https://appshunter.io/developer/6787112418) |

## What reviewers say

### MultiDeco

[App page](https://appshunter.io/ios/app/multideco/id781437836)

This app calculates dive decompression for technical scuba divers using VPM and ZHL-16 models. It supports various gas mixes, planning methods for open circuit and rebreathers, and includes tools for gas blending and depth calculations.

**Highlights:** VPM and ZHL-16 decompression models, Support for nitrox and trimix, OC and CCR planning, Bailout planning, Gas blending utility, Depth calculation tools

**In-app purchases:** none


### Deep Frontier Dive Tools

[App page](https://appshunter.io/ios/app/deep-frontier-dive-tools/id6787112416)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Deep Frontier Dive Tools Pro | $12.99 | one-time |


## Frequently asked questions

### Is MultiDeco free?

MultiDeco costs $48.99, with no in-app purchases.

### Is Deep Frontier Dive Tools free?

Deep Frontier Dive Tools is free to download, with in-app purchases available.

### Do MultiDeco or Deep Frontier Dive Tools have ads?

Neither MultiDeco nor Deep Frontier Dive Tools shows ads.

### Which is updated more often, MultiDeco or Deep Frontier Dive Tools?

MultiDeco ships an update every 3 months, and Deep Frontier Dive Tools every 2 months. Most recently, MultiDeco was updated on October 6, 2026 and Deep Frontier Dive Tools on September 15, 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.*