Comparison

SMART Service Tool vs RefTech

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

RefTech

This diagnostic tool assists in troubleshooting commercial refrigeration systems up to 7.5 HP. Input sensor data to receive likely diagnoses and suggested repair steps. Version 1.3 adds Bluetooth connectivity for specific temperature and pressure probes.

Highlights
  • Refrigeration system diagnostics
  • Troubleshooting up to 7.5 HP
  • Pressure and temperature sensor input
  • Likely diagnosis generation
  • Repair suggestions
  • Bluetooth probe connectivity (v1.3)
Features
Read full description

This app is designed to help troubleshoot commercial refrigeration system up to 7.5 HP. Simply enter all the observed parameters from your pressure and temperature sensors or gauges and press diagnose to obtain a list of likely diagnoses. Then press repair to obtain suggested help with repairing the system. Please note that this app is a subscription app and a current subscription will be required to unlock the app's functionality. Current subscribers will have access to the latest app updates which will include the latest refrigerants used in commercial refrigeration. Version 1.3 can connect to the Sporlan SMART temperature and pressure probes to collect data via Bluetooth. Disclaimer: This app is designed as a diagnostic aid to supplement observations of refrigeration system operation. It in no way warrants or guarantees the diagnosis is absolutely correct. The user accepts all responsibility as to the accuracy and validity of the repairs the user employs.

Screenshots

SMART Service Tool1 screens
RefTech1 screens

Verdict

The call

The clearest difference is review sentiment: SMART Service Tool at 75% against RefTech's 0%. SMART Service Tool also leads on rating (4.0 vs 2.7) and in-app purchases (none vs 1). RefTech's advantage is iOS requirement (13.4 vs 26.0). On price, ads and device support 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. RefTech sells 1 one-off in-app purchase. SMART Service Tool asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

SMART Service Tool holds the better App Store score, 4.0 against 2.7. That said, the two scores are not equally well evidenced: SMART Service Tool has 15 ratings behind it against 3, 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 0% of RefTech's.

UpkeepUpdate frequency

SMART Service Tool ships an update every 3 weeks, RefTech every 6 months. The most recent releases landed on September 22, 2026 and September 13, 2026 respectively.

Scorecard7 real differences · 3 level
SMART Service Tool versus RefTech: the parameters behind the verdict, then further details
ParameterSMART Service ToolRefTech
PriceFreeFree
Rating4.0 (15 ratings) — better2.7 (3 ratings)
Positive reviews75.0% of reviews — better0.0% of reviews
Number of ratings15 — better3
Update frequencyEvery 3 weeks — betterEvery 6 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS26.013.4 — better
Further details — not scored
Size62 MB6 MB
Age rating4+4+
DeveloperRodrigo MirandaBlue Mountain Consulting Inc

Customer experience

SMART Service Tool

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

RefTech

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

SMART Service Tool

No in-app purchases

1 purchases

RefTech

One-time1
  • RefTech Subscriptions$9.99

Questions

Is SMART Service Tool free?
SMART Service Tool is free to download, with no in-app purchases.
Is RefTech free?
RefTech is free to download, with in-app purchases available.
Which has better reviews, SMART Service Tool or RefTech?
SMART Service Tool is rated higher. SMART Service Tool averages 4.0 out of 5 from 15 ratings, while RefTech averages 2.7 from 3 ratings.
Do SMART Service Tool or RefTech have ads?
Neither SMART Service Tool nor RefTech shows ads.
Which is updated more often, SMART Service Tool or RefTech?
SMART Service Tool ships an update every 3 weeks, and RefTech every 6 months. Most recently, SMART Service Tool was updated on September 22, 2026 and RefTech on September 13, 2026.

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