# Vari Green Drive 100+ vs CORE Service

The clearest difference is review sentiment: Vari Green Drive 100+ at 100% against CORE Service's 0%. Vari Green Drive 100+ also leads on rating (4.0 vs 3.6) and iOS requirement (12.3 vs 15.6). CORE Service's advantage is ratings volume (19 vs 4). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Vari Green Drive 100+ holds the better App Store score, 4.0 against 3.6. Both are backed by a comparable volume of ratings — 4 and 19 respectively. Written reviews point the same way: 100% of Vari Green Drive 100+'s written reviews are positive against 0% of CORE Service's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Vari Green Drive 100+ | CORE Service |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/vari-green-drive-100-plus/id1437558088/reviews)** | [3.6 (19 ratings)](https://appshunter.io/ios/app/core-service/id1566612696/reviews) |
| Number of ratings | 4 | **19** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Size | 50 MB | 47 MB |
| Requires iOS | **12.3** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Greenheck](https://appshunter.io/developer/526779919) | [Lennox Industries](https://appshunter.io/developer/355049651) |

## What reviewers say

### Vari Green Drive 100+

[App page](https://appshunter.io/ios/app/vari-green-drive-100-plus/id1437558088)

Control and monitor your Vari-Green Drive remotely. Access setup, status updates, and troubleshooting guides. Generate custom reports and view important documentation.

**Highlights:** Remote setup, Status monitoring, Troubleshooting assistance, Custom report generation, Documentation access

**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 Vari Green Drive 100+ free?

Vari Green Drive 100+ 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, Vari Green Drive 100+ or CORE Service?

Vari Green Drive 100+ is rated higher. Vari Green Drive 100+ averages 4.0 out of 5 from 4 ratings, while CORE Service averages 3.6 from 19 ratings.

### Do Vari Green Drive 100+ or CORE Service have ads?

Neither Vari Green Drive 100+ nor CORE Service shows ads.

### Which is updated more often, Vari Green Drive 100+ or CORE Service?

Vari Green Drive 100+ ships an update every 3 months, and CORE Service every 3 months. Most recently, Vari Green Drive 100+ was updated on November 2, 2026 and CORE Service on November 5, 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.*