# MultiDeco vs Diver Tools

The clearest difference is price: Diver Tools at $9.99 against MultiDeco's $48.99. Diver Tools also leads on update cadence (every 5 weeks vs every 3 months). MultiDeco's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

MultiDeco costs $48.99 and Diver Tools $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MultiDeco ships an update every 3 months, Diver Tools every 5 weeks. The most recent releases landed on September 19, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | MultiDeco | Diver Tools |
| --- | --- | --- |
| Price | $48.99 | **$9.99** |
| 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 | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Paid | — |
| Size | 2 MB | 3 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [HHS Software Corp.](https://appshunter.io/developer/301978863) | [Michael Gibby](https://appshunter.io/developer/1613178461) |

## 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


### Diver Tools

[App page](https://appshunter.io/ios/app/diver-tools/id1613178459)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MultiDeco free?

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

### Is Diver Tools free?

Diver Tools costs $9.99, with no in-app purchases.

### Do MultiDeco or Diver Tools have ads?

Diver Tools shows ads; MultiDeco does not.

### Which is updated more often, MultiDeco or Diver Tools?

MultiDeco ships an update every 3 months, and Diver Tools every 5 weeks. Most recently, MultiDeco was updated on September 19, 2026 and Diver Tools on September 8, 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.*