Comparison

Directional Survey Methods vs DDToolsPro

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

Head to head
About

Directional Survey Methods

Features
Read full description

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

DDToolsPro

Features
Read full description

This tool will help directional drillers and company men with day to day calculations for standard directional drilling and a segmented (survey) tool for curves! Terms of use : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Directional Survey Methods4 screens
DDToolsPro3 screens

Verdict

The call

The clearest difference is price: Directional Survey Methods at Free against DDToolsPro's $9.99. Directional Survey Methods also leads on in-app purchases (none vs 2) and iOS requirement (12.0 vs 18.2). DDToolsPro's advantage is update cadence (every 2 months vs every 50 months). On ads and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Directional Survey Methods is free to download; DDToolsPro costs $9.99 up front. DDToolsPro sells 2 in-app purchases, starting at $12.99 per month. Directional Survey Methods asks for nothing beyond the download.

UpkeepUpdate frequency

Directional Survey Methods ships an update every 50 months, DDToolsPro every 2 months. The most recent releases landed on September 15, 2026 and September 14, 2026 respectively.

Scorecard4 real differences ยท 2 level
Directional Survey Methods versus DDToolsPro: the parameters behind the verdict, then further details
ParameterDirectional Survey MethodsDDToolsPro
PriceFree โ€” better$9.99
Update frequencyEvery 50 monthsEvery 2 months โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS12.0 โ€” better18.2
Further details โ€” not scored
Size7 MB8 MB
Age rating4+4+
DeveloperCarlos MouraMichael Blake

In-app purchases

None

Directional Survey Methods

No in-app purchases

2 purchases

DDToolsPro

Subscriptions2
  • DD Tools Pro Unlock - Monthly$12.991 Month
  • DD Tools Pro Unlock - Annual$129.991 Year

Questions

Is Directional Survey Methods free?
Directional Survey Methods is free to download, with no in-app purchases.
Is DDToolsPro free?
DDToolsPro costs $9.99, and also offers in-app purchases.
Do Directional Survey Methods or DDToolsPro have ads?
Neither Directional Survey Methods nor DDToolsPro shows ads.
Which is updated more often, Directional Survey Methods or DDToolsPro?
Directional Survey Methods ships an update every 50 months, and DDToolsPro every 2 months. Most recently, Directional Survey Methods was updated on September 15, 2026 and DDToolsPro on September 14, 2026.

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