# VRF Controller vs CORE Service

The clearest difference is rating: CORE Service at 3.6 against VRF Controller's 1.1. CORE Service also leads on update cadence (every 3 months vs every 15 months). On price, review sentiment, ratings volume 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.

CORE Service holds the better App Store score, 3.6 against 1.1. Both are backed by a comparable volume of ratings — 18 and 19 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

VRF Controller ships an update every 15 months, CORE Service every 3 months. The most recent releases landed on September 24, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | VRF Controller | CORE Service |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.1 (18 ratings)](https://appshunter.io/ios/app/vrf-controller/id1485275931/reviews) | **[3.6 (19 ratings)](https://appshunter.io/ios/app/core-service/id1566612696/reviews)** |
| Number of ratings | 18 | **19** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 34 MB | 46 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Fidure Corp.](https://appshunter.io/developer/1485275930) | [Lennox Industries](https://appshunter.io/developer/355049651) |

## What reviewers say

### VRF Controller

[App page](https://appshunter.io/ios/app/vrf-controller/id1485275931)

Control your Lennox VRF and Mini-Split systems remotely from your smartphone. This app offers direct temperature control and comfort management through an intuitive, easy-to-use interface.

**Highlights:** Remote temperature control, VRF and Mini-Split system management, Wi-Fi connectivity, Intuitive user interface, Comfort control anytime, anywhere

**Features:** macOS Compatibility

**In-app purchases:** none


### CORE Service

[App page](https://appshunter.io/ios/app/core-service/id1566612696)

This app provides a wireless interface for commercial HVAC technicians to control and service specific Lennox rooftop units. It offers guided setup, enhanced testing, and parameter configuration to streamline the service process.

**Highlights:** Wireless mobile service app, Guided setup with progress indicators, Enhanced test functionality, Real-time sensor readings and trending, Parameter configuration, Exportable setup summaries

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VRF Controller free?

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

### Is CORE Service free?

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

### Which has better reviews, VRF Controller or CORE Service?

CORE Service is rated higher. VRF Controller averages 1.1 out of 5 from 18 ratings, while CORE Service averages 3.6 from 19 ratings.

### Do VRF Controller or CORE Service have ads?

Neither VRF Controller nor CORE Service shows ads.

### Which is updated more often, VRF Controller or CORE Service?

VRF Controller ships an update every 15 months, and CORE Service every 3 months. Most recently, VRF Controller was updated on September 24, 2026 and CORE Service on September 30, 2026.

---

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