Comparison

Equipment Service Tool vs Sunset Technology

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Equipment Service Tool

This utility app helps heavy equipment professionals diagnose issues with fault code searches and perform essential calculations. It includes tools for Ohm's Law, unit conversions, and refrigerant charging, supporting numerous manufacturers.

Highlights
  • Fault code search (J1939 SPN/FMI)
  • Ohm's Law calculator
  • Unit conversion tool
  • Refrigerant charge calculator
  • Support for multiple heavy equipment manufacturers
  • Regular updates
Features
Read full description

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! --- 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/

About

Sunset Technology

This mobile assistant helps HVAC technicians diagnose, repair, and optimize heating, ventilation, and air conditioning systems. It provides expert advice, refrigerant information, EPA 608 guidance, and heat pump insights for quick access to solutions.

Highlights
  • Comprehensive HVAC troubleshooting advice
  • Refrigerant expertise
  • EPA 608 compliance guidance
  • Heat pump system insights
  • Quick access to solutions
Features
Read full description

Transform your HVAC troubleshooting process with our expert mobile assistant! Designed for both residential and commercial HVAC technicians, this app is your go-to tool for diagnosing, repairing, and optimizing heating, ventilation, and air conditioning systems. Key Features: -Comprehensive Troubleshooting: Expert advice on identifying and resolving HVAC system issues. -Refrigerant Expertise: Covers all refrigerants in current use, including R-410A, R-32, and more. -EPA 608 Guidance: Stay compliant with regulations and get insights into proper procedures. -Heat Pump Insights: Detailed knowledge of modern heat pump systems and their operation. -Quick Access: Get answers in seconds, right at your fingertips. ELUA Link: https://sites.google.com/view/hvac-troubleshooting-app/end-user-license-agreement_1

Screenshots

Equipment Service Tool4 screens
Sunset Technology3 screens

Verdict

The call

The clearest difference is ads: Sunset Technology at none against Equipment Service Tool's shown. Sunset Technology also leads on update cadence (every 11 days vs every 2 months) and iOS requirement (15.6 vs 17.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Equipment Service Tool sells 2 in-app purchases, starting at $0.99 per month and Sunset Technology sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Equipment Service Tool against 5.0 for Sunset Technology. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Equipment Service Tool ships an update every 2 months, Sunset Technology every 11 days. The most recent releases landed on July 8, 2026 and September 12, 2026 respectively.

Scorecard3 real differences · 7 level
Equipment Service Tool versus Sunset Technology: the parameters behind the verdict, then further details
ParameterEquipment Service ToolSunset Technology
PriceFreeFree
Rating5.0 (4 ratings)5.0 (3 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings4 — better3
Update frequencyEvery 2 monthsEvery 11 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.015.6 — better
Further details — not scored
Size7 MB159 MB
Age rating12+17+
DeveloperKaleb Simpsonalexis atilano

Customer experience

Equipment Service Tool

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Sunset Technology

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Equipment Service Tool

Subscriptions1
  • Pro - One Month$0.991 Month
One-time1
  • Lifetime Unlock$9.99
1 purchases

Sunset Technology

Subscriptions1
  • Monthly Subscription$4.991 Month

Questions

Is Equipment Service Tool free?
Equipment Service Tool is free to download, with in-app purchases available.
Is Sunset Technology free?
Sunset Technology is free to download, with in-app purchases available.
Which has better reviews, Equipment Service Tool or Sunset Technology?
Equipment Service Tool and Sunset Technology are both rated 5.0 out of 5 on the App Store, from 4 and 3 ratings respectively.
Do Equipment Service Tool or Sunset Technology have ads?
Equipment Service Tool shows ads; Sunset Technology does not.
Which is updated more often, Equipment Service Tool or Sunset Technology?
Equipment Service Tool ships an update every 2 months, and Sunset Technology every 11 days. Most recently, Equipment Service Tool was updated on July 8, 2026 and Sunset Technology on September 12, 2026.

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