Comparison

Gas*Blender vs Diveplan

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

Dive the plan

About

Gas*Blender

Features

Read full description

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

About

Diveplan

Features

Read full description

This app is an aid to your dive planning, enabling you to plan multiple dives using multiple gas mixes - fully supporting air, enriched/nitrox and trimix dives with unlimited cylinders and mixes. This app is only an aid and must not be used in place of proper training and a dive computer. It only provides estimates of gas usage and decompression stops - you should not use this app to make any decisions related to your safety.

Screenshots

Gas*Blender4 screens

Diveplan4 screens

Verdict

The call

The clearest difference is update cadence: Diveplan at every 3 weeks against Gas*Blender's every 3 months. Diveplan also leads on price ($0.99 vs $2.99) and iOS requirement (16.4 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

CostPrice · In-app purchases · Ads · Monetization

Gas*Blender costs $2.99 and Diveplan $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Gas*Blender ships an update every 3 months, Diveplan every 3 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 3 level

Gas*Blender versus Diveplan: the parameters behind the verdict, then further details
Parameter	Gas*Blender	Diveplan
Price	$2.99	$0.99 — better
Update frequency	Every 3 months	Every 3 weeks — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad	iPhone, iPad
Requires iOS	26.0	16.4 — better
Further details — not scored
Size	4 MB	52 MB
Age rating	4+	17+
Developer	Martin Schyth	CS Bruford Ltd

In-app purchases

None

Gas*Blender

No in-app purchases

None

Diveplan

No in-app purchases

Questions

Is Gas*Blender free?

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

Is Diveplan free?

Diveplan costs $0.99, with no in-app purchases.

Do Gas*Blender or Diveplan have ads?

Neither Gas*Blender nor Diveplan shows ads.

Which is updated more often, Gas*Blender or Diveplan?

Gas*Blender ships an update every 3 months, and Diveplan every 3 weeks. Most recently, Gas*Blender was updated on November 1, 2026 and Diveplan on November 3, 2026.