Comparison

Directional Survey Methods vs IGC H₂

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

Head to head
About

Directional Survey Methods

Features
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This application uses the formulas to calculate the survey parameters (diff of TVD, N/S, E/W, DLS) between two stations of the methods: 1. Tangential 2. Balanced Tangential 3. Minimum Curvature 4. Radius of Curvature 5. Angle Averaging Also available the formulas of the methods. This app was developed based in existing spreadsheets. There is no comparison with any other software. You can contribute with suggestions for improvements, reporting bugs and spreading it to your friends. Our portfolio for Directional Drilling available on the App Store: - "Directional Drilling" a complete app (building and plotting) with well planning, survey, multi-lateral, etc. - There are also stand-alone applications for Well Planning, Well Survey and Multi-Lateral Wells. - "3D Interpolation" to calculate a survey data between two stations. DISCLAIMER: These tools & materials are provided 'as is' without warranties of any kind, express or implied. Please verify the tools provided by this application by yourself before you use them. Ensure you understand the impact of using these tools. Any use you choose to make of these tools & materials is undertaken by you entirely at your own risk. Thanks

About

IGC H₂

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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.

Screenshots

Directional Survey Methods4 screens
IGC H₂4 screens

Verdict

The call

The clearest difference is update cadence: IGC H₂ at every 5 days against Directional Survey Methods's every 50 months. 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

Directional Survey Methods ships an update every 50 months, IGC H₂ every 5 days. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

Scorecard1 real difference · 5 level
Directional Survey Methods versus IGC H₂: the parameters behind the verdict, then further details
ParameterDirectional Survey MethodsIGC H₂
PriceFreeFree
Update frequencyEvery 50 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.4
Further details — not scored
Size7 MB17 MB
Age rating4+4+
DeveloperCarlos MouraIndustrial Gas Consultants LLC

In-app purchases

None

Directional Survey Methods

No in-app purchases

None

IGC H₂

No in-app purchases

Questions

Is Directional Survey Methods free?
Directional Survey Methods is free to download, with no in-app purchases.
Is IGC H₂ free?
IGC H₂ is free to download, with no in-app purchases.
Do Directional Survey Methods or IGC H₂ have ads?
Neither Directional Survey Methods nor IGC H₂ shows ads.
Which is updated more often, Directional Survey Methods or IGC H₂?
Directional Survey Methods ships an update every 50 months, and IGC H₂ every 5 days. Most recently, Directional Survey Methods was updated on October 1, 2026 and IGC H₂ on September 29, 2026.

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