Comparison

TrimixBlending vs Gas Blend Pro

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

Head to head

TrimixBlending

Partial Pressure Trimix Blend

Blend Dive Mix & Track Storage

Free

⚽ Sports

No ratingsView app →

About

TrimixBlending

Features

Read full description

This app allows technical divers to create custom Trimix blends (Helium, Oxygen, Nitrogen) using partial pressure blending (PPB), with support for Nitrox top-ups and ideal gas law calculations for precise gas mixing. Real Gas Calculations, uses equations of state (Van der Waals) for accurate blending. Accounts for molecular interactions and non-ideal behavior

About

Gas Blend Pro

Features

Read full description

Gas Blend Pro is the professional gas blending calculator for technical divers. Calculate Nitrox and Trimix blends using the industry-standard partial pressure method. Track your oxygen and helium storage tanks with automatic deduction. Access preset mixes for common diving blends. Built by divers, for divers. Works completely offline. Zero data collection.

Screenshots

TrimixBlending1 screens

Gas Blend Pro3 screens

Verdict

The call

The clearest difference is update cadence: Gas Blend Pro at every 5 days against TrimixBlending's every 14 months. Gas Blend Pro also leads on iOS requirement (18.1 vs 26.5). On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

TrimixBlending ships an update every 14 months, Gas Blend Pro every 5 days. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 4 level

TrimixBlending versus Gas Blend Pro: the parameters behind the verdict, then further details
Parameter	TrimixBlending	Gas Blend Pro
Price	Free	Free
Update frequency	Every 14 months	Every 5 days — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad — better	iPhone
Requires iOS	26.5	18.1 — better
Further details — not scored
Size	4 MB	4 MB
Age rating	4+	4+
Developer	Costas Bakopanos	Johannes Six

In-app purchases

None

TrimixBlending

No in-app purchases

None

Gas Blend Pro

No in-app purchases

Questions

Is TrimixBlending free?

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

Is Gas Blend Pro free?

Gas Blend Pro is free to download, with no in-app purchases.

Do TrimixBlending or Gas Blend Pro have ads?

Neither TrimixBlending nor Gas Blend Pro shows ads.

Which is updated more often, TrimixBlending or Gas Blend Pro?

TrimixBlending ships an update every 14 months, and Gas Blend Pro every 5 days. Most recently, TrimixBlending was updated on November 8, 2026 and Gas Blend Pro on October 30, 2026.