Comparison

Gas*Blender vs Flaska

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

Head to head

A scuba tank calculation tool

Free

⚽ Sports

No ratingsView app →

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

Flaska

Features

Read full description

A scuba tank calculator utility app -- calculates rock bottom air requirements, gas time, and transfills for various tank sizes.

Screenshots

Gas*Blender4 screens

Flaska4 screens

Verdict

The call

The clearest difference is price: Flaska at Free against Gas*Blender's $2.99. Flaska also leads on iOS requirement (13.0 vs 26.0). On update cadence, 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

Flaska is free to download; Gas*Blender costs $2.99 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, Flaska every 2 months. The most recent releases landed on September 16, 2026 and September 17, 2026 respectively.

Scorecard2 real differences · 4 level

Gas*Blender versus Flaska: the parameters behind the verdict, then further details
Parameter	Gas*Blender	Flaska
Price	$2.99	Free — better
Update frequency	Every 3 months	Every 2 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad	iPhone, iPod
Requires iOS	26.0	13.0 — better
Further details — not scored
Size	4 MB	17 MB
Age rating	4+	4+
Developer	Martin Schyth	Kastelo AB

In-app purchases

None

Gas*Blender

No in-app purchases

None

Flaska

No in-app purchases

Questions

Is Gas*Blender free?

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

Is Flaska free?

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

Do Gas*Blender or Flaska have ads?

Neither Gas*Blender nor Flaska shows ads.

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

Gas*Blender ships an update every 3 months, and Flaska every 2 months. Most recently, Gas*Blender was updated on September 16, 2026 and Flaska on September 17, 2026.