# SMART Service Tool vs SMART Pro/R Service Tool

The clearest difference is review sentiment: SMART Service Tool at 75% against SMART Pro/R Service Tool's 11%. SMART Service Tool also leads on rating (3.4 vs 1.5) and update cadence (every 3 weeks vs every 6 weeks). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

SMART Service Tool holds the better App Store score, 3.4 against 1.5. Both are backed by a comparable volume of ratings — 21 and 24 respectively. Written reviews point the same way: 75% of SMART Service Tool's written reviews are positive against 11% of SMART Pro/R Service Tool's.

SMART Service Tool ships an update every 3 weeks, SMART Pro/R Service Tool every 6 weeks. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | SMART Service Tool | SMART Pro/R Service Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (21 ratings)](https://appshunter.io/ios/app/smart-service-tool/id918610107/reviews)** | [1.5 (24 ratings)](https://appshunter.io/ios/app/smart-pror-service-tool/id1067668522/reviews) |
| Number of ratings | 21 | **24** |
| Positive reviews | **75.0% of reviews** | 11.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 62 MB | 62 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rodrigo Miranda](https://appshunter.io/developer/1742641426) | [Parker Hannifin Corporation](https://appshunter.io/developer/491113305) |

## What reviewers say

### SMART Service Tool

[App page](https://appshunter.io/ios/app/smart-service-tool/id918610107)

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

**In-app purchases:** none


### SMART Pro/R Service Tool

[App page](https://appshunter.io/ios/app/smart-pror-service-tool/id1067668522)

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

**In-app purchases:** none


## Frequently asked questions

### Is SMART Service Tool free?

SMART Service Tool is free to download, with no in-app purchases.

### Is SMART Pro/R Service Tool free?

SMART Pro/R Service Tool is free to download, with no in-app purchases.

### Which has better reviews, SMART Service Tool or SMART Pro/R Service Tool?

SMART Service Tool is rated higher. SMART Service Tool averages 3.4 out of 5 from 21 ratings, while SMART Pro/R Service Tool averages 1.5 from 24 ratings.

### Do SMART Service Tool or SMART Pro/R Service Tool have ads?

Neither SMART Service Tool nor SMART Pro/R Service Tool shows ads.

### Which is updated more often, SMART Service Tool or SMART Pro/R Service Tool?

SMART Service Tool ships an update every 3 weeks, and SMART Pro/R Service Tool every 6 weeks. Most recently, SMART Service Tool was updated on November 1, 2026 and SMART Pro/R Service Tool on November 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*