# SMART Pro/R Service Tool vs KoolConnect

The clearest difference is update cadence: SMART Pro/R Service Tool at every 6 weeks against KoolConnect's every 15 months. KoolConnect's advantage is iOS requirement (12.1 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

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

SMART Pro/R Service Tool ships an update every 6 weeks, KoolConnect every 15 months. The most recent releases landed on September 9, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | SMART Pro/R Service Tool | KoolConnect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (6 ratings)](https://appshunter.io/ios/app/smart-pror-service-tool/id1067668522/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 11.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 15 months |
| Monetization | Free | — |
| Size | 62 MB | 54 MB |
| Requires iOS | 26.0 | **12.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Parker Hannifin Corporation](https://appshunter.io/developer/491113305) | [Danfoss A/S](https://appshunter.io/developer/423984644) |

## What reviewers say

### 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


### KoolConnect

[App page](https://appshunter.io/ios/app/koolconnect/id1624828923)

**In-app purchases:** none


## Frequently asked questions

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

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

### Is KoolConnect free?

KoolConnect is free to download, with no in-app purchases.

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

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

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

SMART Pro/R Service Tool ships an update every 6 weeks, and KoolConnect every 15 months. Most recently, SMART Pro/R Service Tool was updated on September 9, 2026 and KoolConnect on September 14, 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.*