# DDS iTool — Diamant DS

> DDS iTool — Diamant DS (iPhone/iPad app by DouWère, s.p.r.l..)

- Source: https://appshunter.io/ios/app/dds-itool/id430414651 (this page in markdown: same URL + `.md`)
- Developer: [DouWère, s.p.r.l.](https://appshunter.io/developer/430161388)
- Category: Reference, Business
- Price: Free
- Age rating: 4+
- Requires: iOS 14.7 · 5 MB
- Languages: American English
- Released: 2011-04-12
- Data updated: 2025-12-03
- User reviews in markdown: https://appshunter.io/ios/app/dds-itool/id430414651/reviews.md

## What is DDS iTool?

The DDS iTool is designed to provide TFA, pressure drop, jet impact velocity, internal nozzle, Hydraulic Horsepower created at a nozzle orifice, which is installed in a drilling bit during earth-boring operations that can easily be calculated from easily entered information by the user.

Input data includes nozzle flow area, flow rate, bit size and mud density. ISO and Imperial units can be selected.

DDS iTool also provides information on IADC Dull Grading and IADC Fixed cutter Bit classification (Version 1992). Nomenclature details are provided as well as those of other fixed cutter bits nomenclature. When possible, corresponding data field such as blade count or cutter size have been linked to all quick comparison of the main bit features.


## Version history (last 5 releases)

### 3.1 — 2024-10-23

Improved compatibility with iOS 18.

### 3.0 — 2022-05-20

Rewritten from scratch, in order to enable the latest iOS technologies.

### 2.0 — 2017-11-04

This app has been updated by Apple to display the Apple Watch app icon.

Finally, running on iOS 11, on all models of iPhones, iPods and iPads.

### 1.5 — 2014-01-20

New DLS calculations.  New MSE calculations.  Improved data entry.

### 1.1 — 2011-10-08

HSI computation modified to give more accurate results.

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## More apps by DouWère, s.p.r.l.

- [Dipfit™ App](https://appshunter.io/ios/app/dipfit-app/id1044214544)
- [Get Lucky](https://appshunter.io/ios/app/get-lucky/id1193277562)

All apps by DouWère, s.p.r.l.: https://appshunter.io/developer/430161388

## Related topics

[dull grading](https://appshunter.io/ios/topics/dull-grading) · [iadc](https://appshunter.io/ios/topics/iadc)

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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 2025-12-03.*