# Baltic Blender vs MyFathom

The clearest difference is in-app purchases: MyFathom at none against Baltic Blender's 2. Baltic Blender's advantage is update cadence (every 4 months vs every 13 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Baltic Blender sells 2 one-off in-app purchases. MyFathom asks for nothing beyond the download.

Baltic Blender ships an update every 4 months, MyFathom every 13 months. The most recent releases landed on September 15, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Baltic Blender | MyFathom |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (11 ratings)](https://appshunter.io/ios/app/baltic-blender/id511697085/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 38.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 13 months |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 35 MB |
| Requires iOS | **10.3** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eskil Olsen](https://appshunter.io/developer/304464486) | [FATHOM Dive Systems, LLC](https://appshunter.io/developer/1707099627) |

## 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 |


### MyFathom

[App page](https://appshunter.io/ios/app/myfathom/id6466220916)

**In-app purchases:** none


## Frequently asked questions

### Is Baltic Blender free?

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

### Is MyFathom free?

MyFathom is free to download, with no in-app purchases.

### Do Baltic Blender or MyFathom have ads?

Neither Baltic Blender nor MyFathom shows ads.

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

Baltic Blender ships an update every 4 months, and MyFathom every 13 months. Most recently, Baltic Blender was updated on September 15, 2026 and MyFathom on September 9, 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.*