# SMART Pro/R Service Tool vs RefTech

The clearest difference is in-app purchases: SMART Pro/R Service Tool at none against RefTech's 1. SMART Pro/R Service Tool also leads on update cadence (every 6 weeks vs every 6 months) and review sentiment (11% vs 0%). RefTech's advantage is iOS requirement (13.4 vs 26.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. RefTech sells 1 one-off in-app purchase. SMART Pro/R Service Tool asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 2.8 for SMART Pro/R Service Tool against 2.7 for RefTech. Both are backed by a comparable volume of ratings — 6 and 3 respectively. Written reviews are what separate them: 11% of SMART Pro/R Service Tool's written reviews are positive against 0% of RefTech's.

SMART Pro/R Service Tool ships an update every 6 weeks, RefTech every 6 months. The most recent releases landed on September 9, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | SMART Pro/R Service Tool | RefTech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (6 ratings)](https://appshunter.io/ios/app/smart-pror-service-tool/id1067668522/reviews)** | [2.7 (3 ratings)](https://appshunter.io/ios/app/reftech/id1209881606/reviews) |
| Number of ratings | **6** | 3 |
| Positive reviews | **11.1% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 6 months |
| Monetization | **Free** | Subscription |
| Size | 62 MB | 6 MB |
| Requires iOS | 26.0 | **13.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Parker Hannifin Corporation](https://appshunter.io/developer/491113305) | [Blue Mountain Consulting Inc](https://appshunter.io/developer/1143744720) |

## 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


### RefTech

[App page](https://appshunter.io/ios/app/reftech/id1209881606)

This diagnostic tool assists in troubleshooting commercial refrigeration systems up to 7.5 HP. Input sensor data to receive likely diagnoses and suggested repair steps. Version 1.3 adds Bluetooth connectivity for specific temperature and pressure probes.

**Highlights:** Refrigeration system diagnostics, Troubleshooting up to 7.5 HP, Pressure and temperature sensor input, Likely diagnosis generation, Repair suggestions, Bluetooth probe connectivity (v1.3)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RefTech Subscriptions | $9.99 | one-time |


## 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 RefTech free?

RefTech is free to download, with in-app purchases available.

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

SMART Pro/R Service Tool is rated higher. SMART Pro/R Service Tool averages 2.8 out of 5 from 6 ratings, while RefTech averages 2.7 from 3 ratings.

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

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

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

SMART Pro/R Service Tool ships an update every 6 weeks, and RefTech every 6 months. Most recently, SMART Pro/R Service Tool was updated on September 9, 2026 and RefTech on September 13, 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.*