Comparison

IGC H₂ vs Formula Calculator #

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

Head to head

IGC H₂

Industrial Gas Unit Conversion

Complete calculations quickly

Free

🔧 Utilities

★ 5.02 ratingsView app →

About

IGC H₂

Read full description

This application allows you to input a given amount of industrial gas with a unit of measure and converts it to your desired unit of measure. For example, if you have kilos of CO2 and want to convert to gallons.

About

Formula Calculator #

Perform calculations with a vast library of built-in formulas or create your own. Save and sync custom formulas to the cloud for easy access across devices. Includes a comprehensive scientific calculator.

Highlights

Extensive built-in calculation formulas
Create and save custom formulas
Cloud synchronization for custom formulas
Share custom formulas with others
Comprehensive scientific calculator

Features

Read full description

The formula calculator comes with a wide range of built-in calculation formulas, allowing you to complete calculations simply by entering the required parameters. It also features built-in custom formulas, catering to individual needs. Once a custom formula is set up, you only need to input the parameters during your next calculation to quickly obtain the results, thereby improving efficiency. Moreover, you can share your custom formulas with friends or other devices for convenient calculations. After logging in with your account, you can synchronize your custom formulas to the cloud to prevent any loss. Additionally, it includes a comprehensive scientific calculator that meets various calculation needs.

Screenshots

IGC H₂4 screens

Formula Calculator #4 screens

Verdict

The call

The clearest difference is in-app purchases: IGC H₂ at none against Formula Calculator #'s 4. IGC H₂ also leads on ads (none vs shown) and update cadence (every 5 days vs every 5 weeks). On price, device support and iOS requirement 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. Formula Calculator # sells 4 one-off in-app purchases. IGC H₂ asks for nothing beyond the download.

UpkeepUpdate frequency

IGC H₂ ships an update every 5 days, Formula Calculator # every 5 weeks. The most recent releases landed on September 11, 2026 and September 14, 2026 respectively.

Scorecard3 real differences · 7 level

IGC H₂ versus Formula Calculator #: the parameters behind the verdict, then further details
Parameter	IGC H₂	Formula Calculator #
Price	Free	Free
Rating	—	5.0 (2 ratings) — better
Positive reviews	—	100.0% of reviews
Number of ratings	—	2 — better
Update frequency	Every 5 days — better	Every 5 weeks
Ads	No — better	Yes
In-app purchases	No — better	Yes
Monetization	—	Free with in-app purchases
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	13.4	12.0 — better
Further details — not scored
Size	17 MB	67 MB
Age rating	4+	4+
Developer	Industrial Gas Consultants LLC	威刘

In-app purchases

None

IGC H₂

No in-app purchases

4 purchases

Formula Calculator #

One-time4

1 month subscription$1.49
3 months subscription$2.49
6 months subscription$3.49

Show 1 more

1 year subscription$4.49

Questions

Is IGC H₂ free?

IGC H₂ is free to download, with no in-app purchases.

Is Formula Calculator # free?

Formula Calculator # is free to download, with in-app purchases available.

Do IGC H₂ or Formula Calculator # have ads?

Formula Calculator # shows ads; IGC H₂ does not.

Which is updated more often, IGC H₂ or Formula Calculator #?

IGC H₂ ships an update every 5 days, and Formula Calculator # every 5 weeks. Most recently, IGC H₂ was updated on September 11, 2026 and Formula Calculator # on September 14, 2026.