# DDToolsPro — Tools for Directional Drillers

> Tools for Directional Drillers (iPhone/iPad app by Michael Blake.)

- Source: https://appshunter.io/ios/app/ddtoolspro/id6755078356 (this page in markdown: same URL + `.md`)
- Developer: [Michael Blake](https://appshunter.io/developer/1443250004)
- Category: Utilities, Reference
- Price: $9.99 with in-app purchases
- Age rating: 4+
- Requires: iOS 18.2 · 8 MB
- Languages: American English
- Released: 2025-12-07
- Data updated: 2026-08-13
- User reviews in markdown: https://appshunter.io/ios/app/ddtoolspro/id6755078356/reviews.md

## What is DDToolsPro?

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/

## Pricing and in-app purchases

Base price: $9.99.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| DD Tools Pro Unlock - Annual | $129.99 | per year |
| DD Tools Pro Unlock - Monthly | $12.99 | per month |


## Chart rankings

- #190 in Top Paid · Utilities (US App Store)


## Version history (last 3 releases)

### 2.1.1 — 2026-03-24

Added a UI update for BRN/DLN to update when changed in the survey setup and also added a button to change target TVD from the survey screen.

### 2.01 — 2025-12-10

Minor update to fix a navigation issue and UI updates.

### 2.0 — 2025-12-07

No release notes.

## Apps similar to DDToolsPro

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Drilling Hydraulics 2](https://appshunter.io/ios/app/drilling-hydraulics-2/id1322464939) | — | $9.99 | Utilities |
| [Fox Suspension Service](https://appshunter.io/ios/app/fox-suspension-service/id1438675326) | 3.3 (13) | Free | Utilities |
| [Elderly Phone](https://appshunter.io/ios/app/elderly-phone/id6449257476) | — | Free | Utilities |
| [Directional Survey Methods](https://appshunter.io/ios/app/directional-survey-methods/id1130800392) | — | Free | Utilities |
| [Drillstring Toolbox Premium](https://appshunter.io/ios/app/drillstring-toolbox-premium/id1222651738) | — | $24.99 | Utilities |
| [OneTap Call](https://appshunter.io/ios/app/onetap-call/id6757780737) | — | Free | Utilities |

## More apps by Michael Blake

- [DD Tools](https://appshunter.io/ios/app/dd-tools/id1443250005)

All apps by Michael Blake: https://appshunter.io/developer/1443250004

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-13.*