Comparison

SMART Service Tool vs Zeus Ordering

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

Head to head
About

SMART Service Tool

This tool helps HVACR technicians quickly convert pressure to temperature and calculate superheat/subcooling using refrigerant data. It offers selectable units, customizable displays, and the ability to record and email data.

Highlights
  • Pressure to temperature conversion
  • Superheat and subcooling calculation
  • Selectable units of measure
  • Digital or analog display modes
  • Record and email data
  • Over 65 refrigerants supported
Read full description

The Parker Sporlan SMART Service Tool, along with unique Bluetooth Low Energy sensors, allows quick pressure to temperature conversion and automatic calculation of superheat and subcooling by utilizing essential refrigerant data in the app. Contractors and technicians will enjoy the user friendly design and precise calculations (based on National Institute of Standards and Technology (NIST) Refrigerant Properties). Features: • Selectable units of measure • User defined display – Display data in digital or simulated analog modes • Ability to record and e-mail data from within the app • More than 65 refrigerants (pure and mixtures) are available. The Bluetooth Low Energy sensors are offered for sale from Sporlan Division of Parker Hannifin. About Sporlan Division: From the 1947 launch of the Catch-All®, the world’s first molded core filter-drier, to today’s intricate electronic valve and controller packages, for over 80 years Sporlan has set the industry standard for the development and manufacture of leading edge HVACR components. About Parker Hannifin: Founded in 1918, Parker Hannifin Corporation is the world’s leading diversified manufacturer of motion and control technologies and systems, providing precision-engineered solutions for a wide variety of mobile, industrial and aerospace markets. About Semireg Industries: Based out of Minnesota, Semireg Industries, LLC develops award-winning software applications that integrate with hardware using Bluetooth Low Energy, WiFi and USB. Applications developed by Semireg enable users to understand complex systems with intuitive control of sensors and data visualizations.

About

Zeus Ordering

This app streamlines procurement for MRO, PPE, and indirect supply needs. It offers eProcurement software with extensive category access, data analytics for efficiency insights, and automation to reduce repetitive tasks. Storeroom technology enables accurate inventory management and tracking.

Highlights
  • eProcurement software
  • Data analytics and dynamic sourcing
  • Robotic process automation
  • Mobile storeroom technology
  • Inventory management system
  • Barcode scanning
Read full description

ZEUS:Technology built expressly for indirect supply, maintenance repair & operations, and PPE. o eProcurement software: access an extensive range of categories for tail spend, with deep expertise in MRO, in a one-stop-shop user experience that drives compliance to procurement protocol, yields enriched data for actionable insights, and provides full visibility into your enterprise buying activities with SDI leveraged pricing. o Data analytics and dynamic sourcing: makes it possible for your data to reveal your story, enabling dynamic sourcing by pinpointing where to drive efficiencies in supplier consolidation, cost reduction and productivity. o Automation: Robotic process automation provides value-added efficiency improvements, reduces repetitive tasks with exceptional speed and accuracy, and allows resources to go further, improving the overall customer experience. o Storeroom Technology: Mobile apps that allow accurate and timely cycle counting, issuing, picking and delivery tracking. Mobile barcode scanners that feed directly into the inventory management system, intelligent point of use machines that put critical parts within feet of the equipment on your floor where you need them most. And technology to enable the more efficient management of industrial repairs and warranties. SDI’s intelligent, AI-enabled inventory management, with 35 different modeling algorithms, helps burn-off your slow-moving inventory and prevent the further accumulation of obsolete inventory.

Screenshots

SMART Service Tool1 screens
Zeus Ordering3 screens

Verdict

The call

The clearest difference is review sentiment: SMART Service Tool at 75% against Zeus Ordering's 15%. SMART Service Tool also leads on rating (4.0 vs 1.9). Zeus Ordering's advantage is ratings volume (183 vs 15) and iOS requirement (12.2 vs 26.0). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

SMART Service Tool holds the better App Store score, 4.0 against 1.9. That said, the two scores are not equally well evidenced: Zeus Ordering has 183 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 75% of SMART Service Tool's written reviews are positive against 15% of Zeus Ordering's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 22, 2026 and September 1, 2026 respectively.

Scorecard4 real differences · 6 level
SMART Service Tool versus Zeus Ordering: the parameters behind the verdict, then further details
ParameterSMART Service ToolZeus Ordering
PriceFreeFree
Rating4.0 (15 ratings) — better1.9 (183 ratings)
Positive reviews75.0% of reviews — better15.3% of reviews
Number of ratings15183 — better
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS26.012.2 — better
Further details — not scored
Size62 MB156 MB
Age rating4+17+
DeveloperRodrigo MirandaSDI Inc.

Customer experience

SMART Service Tool

All ratings15 ratings
Positive73.3%
Neutral6.7%
Negative20.0%
Written reviews8 reviews
Positive75.0%
Neutral12.5%
Negative12.5%

Zeus Ordering

All ratings183 ratings
Positive19.1%
Neutral6.0%
Negative74.9%
Written reviews59 reviews
Positive15.3%
Neutral1.7%
Negative83.1%

Bugs and requests

SMART Service Tool

Not enough reviews yet to summarise bugs or requests.

Zeus Ordering

Reported bugs

35 issues
  • Constantly crashes
  • Frequent error messages
  • Lost connection
  • App doesn't log in
  • Server is down
Show 30 more
  • Part search doesn't populate
  • Tech Hub inaccessible
  • Search results are incorrect
  • App malfunctions continuously
  • Update didn't work
  • Unable to submit orders
  • Order quantity changes
  • Search engine doesn't show item
  • Login issues
  • Cart is lost
  • Orders disappear
  • Crashes frequently
  • Order cancellation without notification
  • Program got worse with update
  • Login information lost
  • Cart lost
  • Orders vanish from app
  • Crashes all the time
  • Uninstall and reinstall needed
  • Order quantity incorrect
  • Invalid password or username errors
  • Something occurred in the server errors
  • Unknown error messages
  • Orders duplicated or don't go through
  • Pictures on non-catalog orders don't attach
  • App crashes constantly
  • Search function is a joke
  • App never opens
  • Constant fight to use
  • Orders come back with multiple questions

Requested features

19 requests
  • Add pictures for parts
  • Improve part descriptions with details
  • Allow direct communication with suppliers
  • Ability to send pictures in comments
  • Add ability to copy from catalog to paste elsewhere
Show 14 more
  • Show prices
  • Add more part information (voltage, amps, etc.)
  • Allow users to use preferred supply houses
  • Fix the search function
  • Improve the search engine
  • Provide more accurate search results
  • Make the app more user-friendly
  • Add dark mode
  • Add advanced analytics dashboard
  • Fix order quantity issues
  • Ensure orders are not cancelled without notification
  • Improve login process
  • Add more parts to the catalog
  • Make the app faster

In-app purchases

None

SMART Service Tool

No in-app purchases

None

Zeus Ordering

No in-app purchases

Questions

Is SMART Service Tool free?
SMART Service Tool is free to download, with no in-app purchases.
Is Zeus Ordering free?
Zeus Ordering is free to download, with no in-app purchases.
Which has better reviews, SMART Service Tool or Zeus Ordering?
SMART Service Tool is rated higher. SMART Service Tool averages 4.0 out of 5 from 15 ratings, while Zeus Ordering averages 1.9 from 183 ratings.
Do SMART Service Tool or Zeus Ordering have ads?
Neither SMART Service Tool nor Zeus Ordering shows ads.
Which is updated more often, SMART Service Tool or Zeus Ordering?
SMART Service Tool ships an update every 3 weeks, and Zeus Ordering every 3 weeks. Most recently, SMART Service Tool was updated on September 22, 2026 and Zeus Ordering on September 1, 2026.

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