Gas*Blender vs DecoPlanner mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Gas*Blender
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GasBlender is helping you calculate which gasses you should dive with, few input fields and easy to read output for at better experience. GasBlender supports Best mix and MOD for both Nitrox and Trimix and continous blending Nitrox and Trimix. For more info see http://www.gasblender.dk Please send feedback and feature requests to feedback@gasblender.dk
DecoPlanner mobile
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.
- 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)
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Features: Open Circuit / Closed Circuit / Passive Semi-Closed Circuit planning ZH-L16 / VPM-B decompression models Convenient grouping of decompression stops Gas tracking of multiple gases and dive buddies Gas mixing through partial pressure and continuous blending Multiple graphs outlining dive profiles and tissue compartment pressures Select the version fitting your current level of diving, from Rec 1 to Unlimited CCR. More information at www.gue.com/store/software/decoplanner-4
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 20, 2026 and October 11, 2026 respectively.
| Parameter | Gas*Blender | DecoPlanner mobile |
|---|---|---|
| Price | $2.99 | Free — better |
| Positive reviews | — | 40.0% of reviews |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | Martin Schyth | Global Underwater Explorers Inc. |
In-app purchases
Gas*Blender
No in-app purchases
DecoPlanner mobile
No in-app purchases
Questions
Is Gas*Blender free?
Is DecoPlanner mobile free?
Do Gas*Blender or DecoPlanner mobile have ads?
Which is updated more often, Gas*Blender or DecoPlanner mobile?
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