# Baltic Blender vs MultiDeco

The clearest difference is price: Baltic Blender at Free against MultiDeco's $48.99. Baltic Blender also leads on iOS requirement (10.3 vs 17.6). MultiDeco's advantage is rating (3.9 vs 2.9) and in-app purchases (none vs 2). On review sentiment, ratings volume, update cadence and ads there is nothing between them.

Baltic Blender is free to download; MultiDeco costs $48.99 up front. Baltic Blender sells 2 one-off in-app purchases. MultiDeco asks for nothing beyond the download.

MultiDeco holds the better App Store score, 3.9 against 2.9. Both are backed by a comparable volume of ratings — 11 and 11 respectively. Written reviews split almost evenly too, at 38% and 39% positive.

Baltic Blender ships an update every 4 months, MultiDeco every 3 months. The most recent releases landed on September 15, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Baltic Blender | MultiDeco |
| --- | --- | --- |
| Price | **Free** | $48.99 |
| Rating | [2.9 (11 ratings)](https://appshunter.io/ios/app/baltic-blender/id511697085/reviews) | **[3.9 (11 ratings)](https://appshunter.io/ios/app/multideco/id781437836/reviews)** |
| Number of ratings | 11 | 11 |
| Positive reviews | 38.5% of reviews | **38.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 7 MB | 2 MB |
| Requires iOS | **10.3** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Eskil Olsen](https://appshunter.io/developer/304464486) | [HHS Software Corp.](https://appshunter.io/developer/301978863) |

## What reviewers say

### Baltic Blender

[App page](https://appshunter.io/ios/app/baltic-blender/id511697085)

This app assists technical divers in accurately blending gases for SCUBA diving using advanced real gas models. It performs complex calculations for partial-pressure techniques, supporting nitrox and optional trimix upgrades. The tool aids in precise gas mixture creation, emphasizing safety and accuracy in diving preparations.

**Highlights:** Nitrox blending, Trimix blending (in-app purchase), Volume and pricing calculations (in-app purchase), Real gas law (GERG-2004), Metric and imperial units, Simultaneous cylinder work, Bill printing/emailing

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trimix | $4.99 | one-time |
| Volumes & Pricing | $4.99 | one-time |


### 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


## Frequently asked questions

### Is Baltic Blender free?

Baltic Blender is free to download, with in-app purchases available.

### Is MultiDeco free?

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

### Which has better reviews, Baltic Blender or MultiDeco?

MultiDeco is rated higher. Baltic Blender averages 2.9 out of 5 from 11 ratings, while MultiDeco averages 3.9 from 11 ratings.

### Do Baltic Blender or MultiDeco have ads?

Neither Baltic Blender nor MultiDeco shows ads.

### Which is updated more often, Baltic Blender or MultiDeco?

Baltic Blender ships an update every 4 months, and MultiDeco every 3 months. Most recently, Baltic Blender was updated on September 15, 2026 and MultiDeco on September 19, 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.*