# Drillstring Toolbox

> Calculates drill-stem load capacities, torque, and tensile strength for oil and gas industry professionals. (iPhone/iPad app by Bureau Veritas North America, Inc..)

- Source: https://appshunter.io/ios/app/drillstring-toolbox/id1068605189 (this page in markdown: same URL + `.md`)
- Developer: [Bureau Veritas North America, Inc.](https://appshunter.io/developer/1770295442)
- Category: Utilities
- Price: Free
- Rating: 3.30/5 from 3 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 14.0 · 1 MB
- Languages: American English
- Released: 2016-01-20
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/drillstring-toolbox/id1068605189/reviews.md

## What is Drillstring Toolbox?

Drillstring Toolbox is a free calculator from Standard DS-1 that gives you the drill-stem load capacities you need! You can choose an API connection (along with the size you're interested in) to find its recommended makeup torque and tensile capacity. Tap the "Tube" tab to find the tensile and torsion capacities for drill pipe tubes as well!

## Key features

- Drill-stem load capacity calculation
- API connection selection
- Makeup torque calculation
- Tensile capacity calculation
- Drill pipe tube capacities

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/drillstring-toolbox/id1068605189/reviews.md

### 4/5 — Cool

*2019-05-15*

Really cool app! But in your last update you can no longer move the screen up and down. As I have an iphone SE I can no longer see some of the data

## Frequently asked questions about Drillstring Toolbox

### What is Drillstring Toolbox used for?

Drillstring Toolbox is a free calculator designed to provide users with essential drill-stem load capacities. It helps determine recommended makeup torque and tensile capacity based on API connections and sizes.

### Can Drillstring Toolbox calculate capacities for drill pipe tubes?

Yes, Drillstring Toolbox includes a "Tube" tab that allows users to find the tensile and torsion capacities specifically for drill pipe tubes.

### What devices is Drillstring Toolbox available on?

Drillstring Toolbox is supported on iPhone, iPad, and iPod devices.

### Is Drillstring Toolbox free to use?

Yes, Drillstring Toolbox is completely free to download and use, with no in-app purchases or advertisements.

### What is the age rating for Drillstring Toolbox?

Drillstring Toolbox has an age rating of 4+, making it suitable for a wide range of users.

### How often is Drillstring Toolbox updated?

The latest version of Drillstring Toolbox is 3.4, and it was last updated on February 12, 2026. This indicates a commitment to maintaining and improving the application.

### What is the user rating for Drillstring Toolbox?

Drillstring Toolbox has a user rating of 3.3 stars based on 3 ratings. This suggests a generally positive but mixed reception from its current user base.

### Who developed Drillstring Toolbox?

Drillstring Toolbox was developed by Bureau Veritas North America, Inc., a company likely experienced in industrial and technical applications.

## Version history (last 5 releases)

### 3.4 — 2026-02-12

A few small updates: we've added non-preferred connections (those weird ones that API Spec 7-2 knows exist but doesn't want to encourage), and we've updated our contact information a bit.

### 3.3 — 2022-09-22

We updated the connection information with the newest numbers from API Spec 7-2 (check out the Edit button for including "non-preferred" connections).

### 3.2 — 2019-04-17

We've made a few upgrades here, and the Premium version is coming soon!

### 3.0 — 2019-04-09

Our Drillstring Toolbox app has gotten a fresh look. Stay tuned, we're working on even bigger updates!

### 1.0.5 — 2016-01-26

We've squished a few bugs!

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## More apps by Bureau Veritas North America, Inc.

- [Drillstring Toolbox Premium](https://appshunter.io/ios/app/drillstring-toolbox-premium/id1222651738)
- [DS-1 5th Edition Criteria](https://appshunter.io/ios/app/ds-1-5th-edition-criteria/id1529674684)

All apps by Bureau Veritas North America, Inc.: https://appshunter.io/developer/1770295442

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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 2026-06-01.*