# SMART Service Tool vs KE2 Service Tool

The clearest difference is rating: KE2 Service Tool at 4.5 against SMART Service Tool's 3.4. KE2 Service Tool also leads on iOS requirement (13.0 vs 26.0). SMART Service Tool's advantage is review sentiment (75% vs 50%). On price, ratings volume, update cadence and ads there is nothing between them.

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

KE2 Service Tool holds the better App Store score, 4.5 against 3.4. Both are backed by a comparable volume of ratings — 21 and 8 respectively. Written reviews complicate that: 75% of SMART Service Tool's written reviews are positive against 50% of KE2 Service Tool's, so the app with the better star average is not the one people write more warmly about.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | SMART Service Tool | KE2 Service Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (21 ratings)](https://appshunter.io/ios/app/smart-service-tool/id918610107/reviews) | **[4.5 (8 ratings)](https://appshunter.io/ios/app/ke2-service-tool/id6443488406/reviews)** |
| Number of ratings | **21** | 8 |
| Positive reviews | **75.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 62 MB | 62 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Rodrigo Miranda](https://appshunter.io/developer/1742641426) | [KE2 Therm Solutions](https://appshunter.io/developer/1646449848) |

## 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


### KE2 Service Tool

[App page](https://appshunter.io/ios/app/ke2-service-tool/id6443488406)

This tool enables users to discover and manage KE2 Therm Controllers and Sensors on their local network. It supports both ethernet and wireless connections for seamless device management.

**Highlights:** Local device discovery, Manage KE2 Therm Controllers, Manage KE2 Therm Sensors, Ethernet connection support, Wireless connection support

**Features:** macOS Compatibility

**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 KE2 Service Tool free?

KE2 Service Tool is free to download, with no in-app purchases.

### Which has better reviews, SMART Service Tool or KE2 Service Tool?

KE2 Service Tool is rated higher. SMART Service Tool averages 3.4 out of 5 from 21 ratings, while KE2 Service Tool averages 4.5 from 8 ratings.

### Do SMART Service Tool or KE2 Service Tool have ads?

Neither SMART Service Tool nor KE2 Service Tool shows ads.

### Which is updated more often, SMART Service Tool or KE2 Service Tool?

SMART Service Tool ships an update every 3 weeks, and KE2 Service Tool every 3 weeks. Most recently, SMART Service Tool was updated on November 1, 2026 and KE2 Service Tool on November 3, 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.*