# Baltic Blender vs Nitrox Blender & Calculator

The clearest difference is review sentiment: Nitrox Blender & Calculator at 100% against Baltic Blender's 38%. Nitrox Blender & Calculator also leads on in-app purchases (none vs 2) and iOS requirement (10.0 vs 17.0). Baltic Blender's advantage is price (Free vs $0.99) and update cadence (every 4 months vs every 9 months). On ads and device support there is nothing between them.

Baltic Blender is free to download; Nitrox Blender & Calculator costs $0.99 up front. Baltic Blender sells 2 one-off in-app purchases. Nitrox Blender & Calculator asks for nothing beyond the download.

Baltic Blender ships an update every 4 months, Nitrox Blender & Calculator every 9 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Baltic Blender | Nitrox Blender & Calculator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/nitrox-blender-and-calculator/id986513867/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 38.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 9 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 7 MB | 85 MB |
| Requires iOS | 17.0 | **10.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Eskil Olsen](https://appshunter.io/developer/304464486) | [ComputerWare](https://appshunter.io/developer/475216885) |

## 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 |


### Nitrox Blender & Calculator

[App page](https://appshunter.io/ios/app/nitrox-blender-and-calculator/id986513867)

This app helps divers plan their dives by calculating maximum operating depth, optimal oxygen percentage, and equivalent air depth. It also assists in gas mixing for filling tanks, determining the required mix or the resulting blend.

**Highlights:** Calculate MOD, Calculate optimal oxygen percentage, Calculate equivalent air depth, Gas mixing calculations for tank fills, Determine required mix for desired blend, Calculate resulting mix from existing blend

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

**In-app purchases:** none


## Frequently asked questions

### Is Baltic Blender free?

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

### Is Nitrox Blender & Calculator free?

Nitrox Blender & Calculator costs $0.99, with no in-app purchases.

### Do Baltic Blender or Nitrox Blender & Calculator have ads?

Neither Baltic Blender nor Nitrox Blender & Calculator shows ads.

### Which is updated more often, Baltic Blender or Nitrox Blender & Calculator?

Baltic Blender ships an update every 4 months, and Nitrox Blender & Calculator every 9 months. Most recently, Baltic Blender was updated on October 23, 2026 and Nitrox Blender & Calculator on October 24, 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.*