# Spreader Bar App — Rigging Capacity Checker

> Calculates spreader bar, sling, and shackle loading for lifting configurations. (iPhone/iPad app by SMART Rigger Software LLC.)

- Source: https://appshunter.io/ios/app/spreader-bar-app/id1509270704 (this page in markdown: same URL + `.md`)
- Developer: [SMART Rigger Software LLC](https://appshunter.io/developer/1509270703)
- Category: Productivity, Education
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 11.0 · 31 MB
- Languages: English
- Released: 2020-06-05
- Data updated: 2026-06-22
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/spreader-bar-app/id1509270704/reviews.md

## What is Spreader Bar App?

Spreader Bar App calculates loading on the spreader bar pipe, slings, and shackles for a wide range of lifting configurations while calculating and reporting ASME BTH-1 calculations. Three options of Crosby shackle types are available to choose from in this version of the app, as well as three options of slings, 1-Part Mechanical Spliced IWRC (EIPS, 6X19), STRAND Mech. Splice Grommet IWRC (EIPS, 6X19), and Polyester Endless Round slings, for a vertical and vertical basket configuration. Provides spreader bar capacity charting, and report generation ready to email results.

## Key features

- Loading calculations for spreader bars, slings, and shackles
- ASME BTH-1 compliance
- Multiple Crosby shackle types
- Various sling configurations (IWRC, Grommet, Polyester)
- Spreader bar capacity charting
- Report generation and email


## Frequently asked questions about Spreader Bar App

### What types of slings does Spreader Bar App support?

Spreader Bar App supports three types of slings: 1-Part Mechanical Spliced IWRC (EIPS, 6X19), STRAND Mech. Splice Grommet IWRC (EIPS, 6X19), and Polyester Endless Round slings. These can be used in vertical and vertical basket configurations.

### Does Spreader Bar App calculate ASME BTH-1 requirements?

Yes, Spreader Bar App calculates and reports ASME BTH-1 calculations, ensuring compliance with relevant industry standards for lifting equipment.

### Can I export the results from Spreader Bar App?

Yes, the app provides report generation that is ready to be emailed, allowing users to easily share their spreader bar capacity calculations.

### What shackle types are available in Spreader Bar App?

This version of the app offers three options for Crosby shackle types to accommodate different rigging needs.

### Is Spreader Bar App available on Android devices?

Spreader Bar App is currently supported on iPhone, iPad, and iPod devices. Compatibility with Android is not specified in the provided data.

### How often is Spreader Bar App updated?

The latest version of Spreader Bar App is 1.0, and it was last updated on June 5, 2020. No information is available on future update frequency.

### What is the age rating for Spreader Bar App?

Spreader Bar App has an age rating of 4+, making it suitable for a wide range of users.

### Does Spreader Bar App have ads?

No, Spreader Bar App does not contain advertisements. It is a free application without any ad interruptions.

## Version history (last 1 release)

### 1.0 — 2020-06-05

No release notes.

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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 2026-06-22.*