# Equipment Service Tool

> Heavy equipment maintenance tool with fault codes, calculators, and unit conversions. (iPhone/iPad app by Kaleb Simpson.)

- Source: https://appshunter.io/ios/app/equipment-service-tool/id6473715814 (this page in markdown: same URL + `.md`)
- Developer: [Kaleb Simpson](https://appshunter.io/developer/1719568849)
- Category: Utilities, Education
- Price: Free with in-app purchases (on sale, was $5.99)
- Rating: 5.00/5 from 4 App Store ratings · 3 written reviews indexed
- Age rating: 12+
- Requires: iOS 17.0 · 7 MB
- Languages: English
- Released: 2023-12-04
- Data updated: 2026-07-08
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/equipment-service-tool/id6473715814/reviews.md

## What is Equipment Service Tool?

Equipment Service Tool: Your Ultimate Heavy Equipment Companion!

Gear up for unparalleled efficiency in heavy equipment maintenance with our iOS app, Equipment Service Tool. Tailored to meet the demands of professionals like you,
this app is your go-to solution for fault code searches, essential calculations, and unit conversions, transforming the way you handle heavy machinery.

Fault Code Search:
Diagnose and resolve issues swiftly with our extensive fault code search feature. Designed for leading manufacturers including Allison, Bomag, Cummins, Deutz, Ghel, Hyundai, Mustang, Manitou, XCMG, and more. Equipment Service Tool provides detailed J1939 SPN and FMI codes for a seamless troubleshooting experience.

Tools for Precision:
Empower yourself with a suite of productivity tools:

Ohm's Law Calculator: Calculate voltage, current, resistance, and power effortlessly.
Unit Conversion: Streamline your work by converting pressure, temperature, and flow into different units with accuracy.

Refrigerant Charge Calculator:
Engineered for HVAC technicians, our app includes a specialized calculator for refrigerant charge by temperature. Ensure optimal cooling in R134a systems with precise calculations at your fingertips.

Expanding Manufacturer Support:
Stay ahead of the curve with our commitment to continuous improvement! Equipment Service Tool is dedicated to expanding its fault code database, adding support for additional manufacturers to keep you at the forefront of heavy equipment maintenance.

Key Features:

Intuitive fault code search with J1939 SPN and FMI codes.
Tools for Ohm's Law, unit conversions, and refrigerant charge calculations.
Manufacturer support for Bomag, Cummins, Deutz, Hyundai, XCMG, and more.
Regular updates with additional manufacturer support and features.

For Professionals, By Professionals:
Developed with insights from industry experts, Equipment Service Tool is crafted to meet the unique needs of heavy equipment professionals.
Whether you're a seasoned technician or a novice in the field, our app is your indispensable companion for efficient and accurate maintenance.

Download Equipment Service Tool Now and Master Heavy Equipment Maintenance!
Upgrade your toolkit and elevate your performance with the ultimate iOS app for heavy equipment professionals.
Embrace precision, streamline workflows, and conquer challenges – all at your fingertips!

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Monthly subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage your subscription and turn off auto-renewal in your Account Settings after purchase.

Privacy Policy: https://projects.voltare.us/privacy
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- Fault code search (J1939 SPN/FMI)
- Ohm's Law calculator
- Unit conversion tool
- Refrigerant charge calculator
- Support for multiple heavy equipment manufacturers
- Regular updates

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Pro - One Month | $0.99 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Lifetime Unlock | $9.99 | one-time |


## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/equipment-service-tool/id6473715814/reviews.md

### 5/5 — 10/10

*2023-12-15*

In love with the navigation of this app! I’ve never felt more secure in my line of work than after buying this. The app is so worth every penny I’m excited to see it grow. 🤘

### 5/5 — best app for technicians!

*2023-12-15*

super thorough and well thought out, couldnt recommend enough!!

### 5/5 — Very useful!

*2023-12-05*

Very useful and time saving

## Frequently asked questions about Equipment Service Tool

### What is Equipment Service Tool?

Equipment Service Tool is a mobile application designed for heavy equipment professionals. It offers features like fault code searches, Ohm's Law calculations, unit conversions, and a specialized refrigerant charge calculator for HVAC systems.

### Which heavy equipment manufacturers does Equipment Service Tool support?

Equipment Service Tool supports a wide range of manufacturers including Allison, Bell, Bomag, Cummins, Deutz, Ghel, Hyundai, Mustang, Manitou, and XCMG, with plans for continuous expansion.

### Does Equipment Service Tool have ads?

Yes, Equipment Service Tool contains advertisements.

### What are the subscription options for Equipment Service Tool?

Equipment Service Tool offers a 'Pro - One Month' subscription for $2.99. Monthly subscriptions automatically renew unless canceled at least 24 hours before the current period ends.

### How often is Equipment Service Tool updated?

The app was last updated on March 19, 2026, indicating a commitment to regular updates for new features and manufacturer support.

### What devices is Equipment Service Tool compatible with?

Equipment Service Tool is available for iPhone and iPad devices.

### What is the age rating for Equipment Service Tool?

Equipment Service Tool has an age rating of 12+, making it suitable for a broad audience of professionals and older users.

### How accurate are the calculations in Equipment Service Tool?

The app is designed for accuracy in its calculations, including Ohm's Law, unit conversions, and refrigerant charging, to ensure precise maintenance and diagnostics for heavy equipment.

## Version history (last 5 releases)

### 2.0 — 2026-06-12

- Bug Fixes

### 1.8 — 2026-04-12

- Fixed a bug that caused the app to freeze when internet connection was unstable 
- Added service code generator for Bell ADT

### 1.7 — 2026-03-19

- Updated contact us email address

### 1.6 — 2026-01-13

- Now free to use with 60 minutes of daily access
- Optional ads to extend usage time
- New subscription option for unlimited, ad-free access (ideal for extended testing use)
- All existing lifetime users are grandfathered with full, unlimited access

### 1.5 — 2025-01-17

- Added fault codes for Sakai SW880-1
- Added admin service code for New Hyundai/Doosan machines

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## Related topics

[equipment service tool](https://appshunter.io/ios/topics/equipment-service-tool) · [service tool](https://appshunter.io/ios/topics/service-tool)

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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 2026-07-08.*