Comparison

SMART Pro/R Service Tool vs D

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

D

Features
Read 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

SMART Pro/R Service Tool4 screens
D4 screens

Verdict

The call

The clearest difference is update cadence: SMART Pro/R Service Tool at every 6 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SMART Pro/R Service Tool ships an update every 6 weeks, D every 5 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

Scorecard2 real differences · 8 level
SMART Pro/R Service Tool versus D: the parameters behind the verdict, then further details
ParameterSMART Pro/R Service ToolD
PriceFreeFree
Rating1.5 (24 ratings) — better—
Positive reviews11.1% of reviews—
Number of ratings24 — better—
Update frequencyEvery 6 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS26.015.1 — better
Further details — not scored
Size62 MB23 MB
Age rating4+17+
DeveloperParker Hannifin CorporationINFICON

In-app purchases

None

SMART Pro/R Service Tool

No in-app purchases

None

D

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 D free?
D is free to download, with no in-app purchases.
Do SMART Pro/R Service Tool or D have ads?
Neither SMART Pro/R Service Tool nor D shows ads.
Which is updated more often, SMART Pro/R Service Tool or D?
SMART Pro/R Service Tool ships an update every 6 weeks, and D every 5 months. Most recently, SMART Pro/R Service Tool was updated on October 24, 2026 and D on October 12, 2026.

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