# SMART Service Tool vs Parker Device Connect

The clearest difference is rating: Parker Device Connect at 5.0 against SMART Service Tool's 3.4. Parker Device Connect also leads on iOS requirement (15.0 vs 26.0). SMART Service Tool's advantage is update cadence (every 3 weeks vs every 6 months) and ratings volume (21 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Parker Device Connect holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: SMART Service Tool has 21 ratings behind it against 2, so its average is the more settled of the two.

SMART Service Tool ships an update every 3 weeks, Parker Device Connect every 6 months. The most recent releases landed on October 26, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | SMART Service Tool | Parker Device Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (21 ratings)](https://appshunter.io/ios/app/smart-service-tool/id918610107/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/parker-device-connect/id6446701727/reviews)** |
| Number of ratings | **21** | 2 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Free | Free |
| Size | 62 MB | 31 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, 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


### Parker Device Connect

[App page](https://appshunter.io/ios/app/parker-device-connect/id6446701727)

Access real-time health, operating, and error history for Parker devices with NFC. View device parameters and store data locally for quick diagnosis, even when the device is powered off.

**Highlights:** Device health status, Operating information, Error history, Device parameter overview, NFC data exchange, Local data storage

**Features:** macOS Compatibility, Vision Pro support

**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 Parker Device Connect free?

Parker Device Connect is free to download, with no in-app purchases.

### Which has better reviews, SMART Service Tool or Parker Device Connect?

Parker Device Connect is rated higher. SMART Service Tool averages 3.4 out of 5 from 21 ratings, while Parker Device Connect averages 5.0 from 2 ratings.

### Do SMART Service Tool or Parker Device Connect have ads?

Neither SMART Service Tool nor Parker Device Connect shows ads.

### Which is updated more often, SMART Service Tool or Parker Device Connect?

SMART Service Tool ships an update every 3 weeks, and Parker Device Connect every 6 months. Most recently, SMART Service Tool was updated on October 26, 2026 and Parker Device Connect on October 19, 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.*