SMART Service Tool vs D
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
Read full descriptionHide 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.
D
Read full descriptionHide full description
This app allows the user to record and share job logs and view real-time ppm readings on your mobile phone or tablet. App features: * Record and share leak info with job log function * Add GPS location, photos, and notes to your job logs and export in a professional pdf report * View real-time ppm readings for when you can’t see the D-TEK Pro display * Listen for alarms through any headphones connected to your phone * Over the air updates for D-TEK Pro firmware
Screenshots
Verdict
The clearest difference is update cadence: SMART Service Tool at every 3 weeks against D's every 5 months. D's advantage is iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
SMART Service Tool ships an update every 3 weeks, D every 5 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.
| Parameter | SMART Service Tool | D |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (21 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 21 — better | — |
| Update frequency | Every 3 weeks — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 26.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 62 MB | 23 MB |
| Age rating | 4+ | 17+ |
| Developer | Rodrigo Miranda | INFICON |
In-app purchases
SMART Service Tool
No in-app purchases
D
No in-app purchases
Questions
Is SMART Service Tool free?
Is D free?
Do SMART Service Tool or D have ads?
Which is updated more often, SMART Service Tool or D?
Other comparisons
