# Baltic Blender vs Arcus Trimix Blender

The clearest difference is in-app purchases: Arcus Trimix Blender at none against Baltic Blender's 2. Arcus Trimix Blender also leads on update cadence (every 5 days vs every 4 months) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

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

Baltic Blender ships an update every 4 months, Arcus Trimix Blender every 5 days. The most recent releases landed on October 23, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Baltic Blender | Arcus Trimix Blender |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 38.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 3 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Eskil Olsen](https://appshunter.io/developer/304464486) | [Kim Taavo](https://appshunter.io/developer/1738838892) |

## 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 |


### Arcus Trimix Blender

[App page](https://appshunter.io/ios/app/arcus-trimix-blender/id6480379323)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Baltic Blender free?

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

### Is Arcus Trimix Blender free?

Arcus Trimix Blender is free to download, with no in-app purchases.

### Do Baltic Blender or Arcus Trimix Blender have ads?

Neither Baltic Blender nor Arcus Trimix Blender shows ads.

### Which is updated more often, Baltic Blender or Arcus Trimix Blender?

Baltic Blender ships an update every 4 months, and Arcus Trimix Blender every 5 days. Most recently, Baltic Blender was updated on October 23, 2026 and Arcus Trimix Blender on October 18, 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.*