SMART Service Tool vs TPOne
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.
TPOne
Control your home heating remotely with this app. Adjust temperatures, set schedules, and activate comfort modes from your mobile device, even when away from home. Save energy by optimizing heating based on your routine.
- Remote heating control
- Adjust temperatures
- Set heating schedules
- Activate comfort modes
- Energy saving features
- Connect multiple devices
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Danfoss TPOne™ App turns your mobile device into a remote control for your Danfoss TPOne-S heating control thermostat. The simple and intuitive user interface puts you in control of your home heating on the move and from anywhere. Download the Danfoss TPOne™ App and enjoy home heating of tomorrow: - Adjust your home heating easily and intuitively direct from your mobile device - Stay in full control of your home heating day and night – even when you are not at home - Set temperatures and change scheduled heating times to suit your daily routine - Coming home early?, quickly start heating period early by selecting home comfort mode icon - Save energy by lowering the temperature when you do not need it - Connect your TPOne-S smart thermostat with up to 10 mobile devices - Connect TPOne™ App with up to 10 TPOne-S smart thermostat The Danfoss TPOne™ App is compatible with TPOne-S Wi-Fi enabled smart thermostat. To check compatibility of your TPOne smart thermostat go to Menu > User Settings > Information. If the type on the first information screen shows TPOne-S then you are ready to connect with Danfoss TPOne™ App. If you have other TPOne types please contact your preferred heating installer for advice how to upgrade. Connecting your mobile device with your Danfoss TPOne-S is easy, just open the App and it will guide you through the setup. If you need support or have any questions about the Danfoss TPOne-S, please visit http://tpone.danfoss.com/ Do you want to try the app before buying your TPOne-S smart thermostat? Then simply download the Danfoss TPOne™ App and try it out in Demo mode.
Screenshots
Verdict
The clearest difference is review sentiment: SMART Service Tool at 75% against TPOne's 0%. SMART Service Tool also leads on update cadence (every 3 weeks vs every 11 months). TPOne's advantage is iOS requirement (12.0 vs 26.0). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
SMART Service Tool ships an update every 3 weeks, TPOne every 11 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.
| Parameter | SMART Service Tool | TPOne |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (21 ratings) — better | — |
| Positive reviews | 75.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 21 — better | — |
| Update frequency | Every 3 weeks — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Requires iOS | 26.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 62 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | Rodrigo Miranda | Danfoss A/S |
Customer experience
SMART Service Tool
TPOne
In-app purchases
SMART Service Tool
No in-app purchases
TPOne
No in-app purchases
Questions
Is SMART Service Tool free?
Is TPOne free?
Do SMART Service Tool or TPOne have ads?
Which is updated more often, SMART Service Tool or TPOne?
Other comparisons
