SMART Service Tool vs RefTech
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
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.
- Refrigeration system diagnostics
- Troubleshooting up to 7.5 HP
- Pressure and temperature sensor input
- Likely diagnosis generation
- Repair suggestions
- Bluetooth probe connectivity (v1.3)
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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
Verdict
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
Both are free to download. RefTech sells 1 one-off in-app purchase. SMART Service Tool asks for nothing beyond the download.
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.
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.
| Parameter | SMART Service Tool | RefTech |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (15 ratings) — better | 2.7 (3 ratings) |
| Positive reviews | 75.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 15 — better | 3 |
| Update frequency | Every 3 weeks — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Subscription |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 26.0 | 13.4 — better |
| Further details — not scored | ||
| Size | 62 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Rodrigo Miranda | Blue Mountain Consulting Inc |
Customer experience
SMART Service Tool
RefTech
In-app purchases
SMART Service Tool
No in-app purchases
RefTech
- RefTech Subscriptions$9.99
Questions
Is SMART Service Tool free?
Is RefTech free?
Which has better reviews, SMART Service Tool or RefTech?
Do SMART Service Tool or RefTech have ads?
Which is updated more often, SMART Service Tool or RefTech?
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