Comparison

SMART Pro/R 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 Pro/R Service Tool

This tool helps HVACR technicians quickly calculate superheat and subcooling using embedded refrigerant data and Bluetooth sensors. It allows for data recording, custom PDF report generation, and sharing of findings.

Highlights
  • Temperature and pressure difference calculation
  • Superheat and subcooling calculation
  • Embedded refrigerant data
  • Record data and generate PDF reports
  • Customizable display and selectable units
  • Over 115 refrigerants supported
Read full description

The Parker Sporlan SMART Pro/R Service Tool, along with unique Bluetooth Low Energy sensors, provides temperature and pressure differences, and quickly calculates superheat and subcooling by utilizing embedded refrigerant data. Contractors and technicians will enjoy the user friendly design and precise calculations based on National Institute of Standards and Technology (NIST) Refrigerant Properties. Features: • Ability to record data, generate custom PDF reports, and share data files or reports from within the app • Customizable display – The calculated results in the order you prefer. • Selectable units of measure • More than 115 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 Pro/R Service Tool4 screens
Zeus Ordering3 screens

Verdict

The call

The clearest difference is rating: Zeus Ordering at 1.9 against SMART Pro/R Service Tool's 1.5. Zeus Ordering also leads on ratings volume (185 vs 24) and update cadence (every 3 weeks vs every 6 weeks). On price, review sentiment, 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

Zeus Ordering holds the better App Store score, 1.9 against 1.5. That said, the two scores are not equally well evidenced: Zeus Ordering has 185 ratings behind it against 24, so its average is the more settled of the two. Written reviews point the same way: 11% of SMART Pro/R Service Tool's written reviews are positive against 16% of Zeus Ordering's.

UpkeepUpdate frequency

SMART Pro/R Service Tool ships an update every 6 weeks, Zeus Ordering every 3 weeks. Both last shipped on October 24, 2026.

Scorecard4 real differences · 6 level
SMART Pro/R Service Tool versus Zeus Ordering: the parameters behind the verdict, then further details
ParameterSMART Pro/R Service ToolZeus Ordering
PriceFreeFree
Rating1.5 (24 ratings)1.9 (185 ratings) — better
Positive reviews11.1% of reviews16.1% of reviews — better
Number of ratings24185 — better
Update frequencyEvery 6 weeksEvery 3 weeks — better
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+
DeveloperParker Hannifin CorporationSDI Inc.

Customer experience

SMART Pro/R Service Tool

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews18 reviews
Positive11.1%
Neutral0.0%
Negative88.9%

Zeus Ordering

All ratings183 ratings
Positive19.1%
Neutral6.0%
Negative74.9%
Written reviews62 reviews
Positive16.1%
Neutral1.6%
Negative82.3%

Bugs and requests

SMART Pro/R 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 Pro/R Service Tool

No in-app purchases

None

Zeus Ordering

No in-app purchases

Questions

Is SMART Pro/R Service Tool free?
SMART Pro/R 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 Pro/R Service Tool or Zeus Ordering?
Zeus Ordering is rated higher. SMART Pro/R Service Tool averages 1.5 out of 5 from 24 ratings, while Zeus Ordering averages 1.9 from 185 ratings.
Do SMART Pro/R Service Tool or Zeus Ordering have ads?
Neither SMART Pro/R Service Tool nor Zeus Ordering shows ads.
Which is updated more often, SMART Pro/R Service Tool or Zeus Ordering?
SMART Pro/R Service Tool ships an update every 6 weeks, and Zeus Ordering every 3 weeks. Most recently, SMART Pro/R Service Tool was updated on October 24, 2026 and Zeus Ordering on October 24, 2026.

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