Directional Survey Methods vs IGC H₂
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Directional Survey Methods
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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
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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Directional Survey Methods | IGC H₂ |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 50 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.4 |
| Further details — not scored | ||
| Size | 7 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Carlos Moura | Industrial Gas Consultants LLC |
In-app purchases
Directional Survey Methods
No in-app purchases
IGC H₂
No in-app purchases
Questions
Is Directional Survey Methods free?
Is IGC H₂ free?
Do Directional Survey Methods or IGC H₂ have ads?
Which is updated more often, Directional Survey Methods or IGC H₂?
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