# VRF Controller vs CERV

The clearest difference is review sentiment: CERV at 100% against VRF Controller's 0%. CERV also leads on rating (5.0 vs 1.1) and iOS requirement (10.0 vs 13.0). VRF Controller's advantage is ratings volume (18 vs 3). 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.

CERV holds the better App Store score, 5.0 against 1.1. That said, the two scores are not equally well evidenced: VRF Controller has 18 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of VRF Controller's written reviews are positive against 100% of CERV's.

## The numbers

| Metric | VRF Controller | CERV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.1 (18 ratings)](https://appshunter.io/ios/app/vrf-controller/id1485275931/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/cerv-ice/id1532351879/reviews)** |
| Number of ratings | **18** | 3 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | — |
| Monetization | Free | Free |
| Size | 34 MB | 15 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Fidure Corp.](https://appshunter.io/developer/1485275930) | [Newell Instruments, Inc](https://appshunter.io/developer/1532351881) |

## 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


### CERV

[App page](https://appshunter.io/ios/app/cerv-ice/id1532351879)

Manage your smart ventilation system remotely. Monitor indoor air quality, view historical performance data, and purchase replacement filters directly through the app. Supports control of multiple units.

**Highlights:** Remote comfort control, Indoor air quality monitoring, Historical performance data, Filter replacement purchasing, Multi-unit support

**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 CERV free?

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

### Which has better reviews, VRF Controller or CERV?

CERV is rated higher. VRF Controller averages 1.1 out of 5 from 18 ratings, while CERV averages 5.0 from 3 ratings.

### Do VRF Controller or CERV have ads?

Neither VRF Controller nor CERV shows ads.

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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.*