# Gas*Blender vs DecoPlanner mobile

The clearest difference is price: DecoPlanner mobile at Free against Gas*Blender's $2.99. DecoPlanner mobile also leads on update cadence (every 2 months vs every 3 months) and iOS requirement (13.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

DecoPlanner mobile is free to download; Gas*Blender costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Gas*Blender ships an update every 3 months, DecoPlanner mobile every 2 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Gas*Blender | DecoPlanner mobile |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 4 MB | 74 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Martin Schyth](https://appshunter.io/developer/496853774) | [Global Underwater Explorers Inc.](https://appshunter.io/developer/1459213336) |

## What reviewers say

### Gas*Blender

[App page](https://appshunter.io/ios/app/gasblender/id496853771)

**Features:** Vision Pro support

**In-app purchases:** none


### DecoPlanner mobile

[App page](https://appshunter.io/ios/app/decoplanner-mobile/id1580563324)

Plan complex dive profiles using advanced decompression models. Track multiple gases, manage dive buddies, and visualize dive data with detailed graphs. Choose the version that suits your diving certification level.

**Highlights:** Open/Closed/Passive Semi-Closed Circuit planning, ZH-L16 / VPM-B decompression models, Gas tracking for multiple gases and dive buddies, Gas mixing (partial pressure & continuous blending), Dive profile and tissue compartment graphs, Diving level selection (Rec 1 to Unlimited CCR)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gas*Blender free?

Gas*Blender costs $2.99, with no in-app purchases.

### Is DecoPlanner mobile free?

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

### Do Gas*Blender or DecoPlanner mobile have ads?

Neither Gas*Blender nor DecoPlanner mobile shows ads.

### Which is updated more often, Gas*Blender or DecoPlanner mobile?

Gas*Blender ships an update every 3 months, and DecoPlanner mobile every 2 months. Most recently, Gas*Blender was updated on October 26, 2026 and DecoPlanner mobile 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.*