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App Store Apps > Business > William Hackett App
William Hackett App icon

William Hackett App

by Lazy Grace Limited · Business · Free
On the App Store since February 2016 · Data updated 2026-10-29

William Hackett App is made and published by Lazy Grace Limited. AppBrain is an independent app data site and isn't affiliated with Lazy Grace Limited. The app name, icon, screenshots and description belong to Lazy Grace Limited and are shown as published on the App Store.

AppBrain's verdict

Last updated
April 9, 2026
Size
124.3 MB
Official page on the App Store

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Store listing

By Lazy Grace Limited, from the App Store
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Screenshots by Lazy Grace Limited, from the the App Store listing
Description by Lazy Grace Limited Written by the developer, not by AppBrain. Click to read.
The William Hackett App
Totally re-written to provide an essential suite of tools to those working in the lifting and hoisting fields.

RFID Scanning.
Scan William Hackett products in the field using your mobile phone to access data on that individual item such as its Declaration of Conformity Certificate containing it’s serial number, item code, working load limit and date of manufacture.

In addition to essential information such as safe use instructions available at the press of a button, wherever you are.

Sling Calc.
William Hackett Sling Calc is part of the new William Hackett app that lets you configure your chain sling by taking you through a number of steps. Once completed, the sling specification can be viewed along with a 3D image of exactly how the sling will look.

A part code for the sling is generated and by hitting ‘request quote’ you can have a quote emailed to yourself instantly. This key feature is great for when working on site.

Once you have the app downloaded, please fill out your details in the account settings and create an account for free. This account will also provide you access to members content on the William Hackett website (https://www.williamhackett.co.uk) such as CAD file downloads.

Updated version: Revised design and performance fixes. Now supports both Imperial and Metric measurements, offers pricing in GBP, USD and Euros. Find these options in your Account Settings.

The Sling Calc will take you through the following steps:

- Product selection – Choose between grade 8, grade 10 or auto. If auto is selected, the app will work out the cheapest option for you based on the sling specification.

- How many legs – Select how many legs you require on your sling.

- Weight of load – Input the weight of the load to be lifted by the sling.

- Headroom – Select whether headroom is restricted or not. If yes is selected, then sling rating will be 45°-60°. If no is selected, the sling will be rated from 0°-45°.

- Leg length – Do you know the nominal leg length? If yes, simply input the length. If no, use the diagram to help you and input the distance between the lifting points. The sling calculator will then work out the required leg length. (note – all sling configurations are to the full meter, therefore slings may be rounded up).

- Terminations – Select shortening device (if any) and lower termination.

You will then be given a summary page, where it will list your requirements. This is what you have entered into the calculator. It will also give you a sling specification, this is the sling that the calculator has generated for you based on your requirements. A part code, sling description, RRP and 3D image is also visible on this page.

Request quote will email your sling specification and quote to the email address entered in account settings.

You can view old quotes by selecting ‘retrieve existing quote’ from the dashboard. You can also change your account settings from here.
Official page on the App Store Also on Google Play

Safety and technology

Found in the app by AppBrain
Price
Free
App size
124.3 MB
Content rating
Everyone

Technologies used by William Hackett App

Releases

Updates seen on the App Store
Version
3.0.5
Launched
February 2016

No changelog data

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About the app and developer

About William Hackett App

William Hackett App is a business app developed by Lazy Grace Limited.

User Ratings

The app has no ratings yet.

App Information

William Hackett App is freely available from the App Store. The app size is 124.26 MB. The latest version available is 3.0.5. The last update was on April 9, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since February 2016.

Developer information for Lazy Grace Limited

Lazy Grace Limited

Address:

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