# GreenLight Scanner vs CORE Service

The clearest difference is review sentiment: GreenLight Scanner at 50% against CORE Service's 0%. GreenLight Scanner also leads on rating (5.0 vs 3.6) and update cadence (every 5 weeks vs every 3 months). On price, ratings volume, 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.

GreenLight Scanner holds the better App Store score, 5.0 against 3.6. Both are backed by a comparable volume of ratings — 10 and 19 respectively. Written reviews point the same way: 50% of GreenLight Scanner's written reviews are positive against 0% of CORE Service's.

GreenLight Scanner ships an update every 5 weeks, CORE Service every 3 months. The most recent releases landed on September 24, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | GreenLight Scanner | CORE Service |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/greenlight-scanner/id1495178299/reviews)** | [3.6 (19 ratings)](https://appshunter.io/ios/app/core-service/id1566612696/reviews) |
| Number of ratings | 10 | **19** |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 43 MB | 46 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GreenLight IoT, Inc.](https://appshunter.io/developer/1455879587) | [Lennox Industries](https://appshunter.io/developer/355049651) |

## What reviewers say

### GreenLight Scanner

[App page](https://appshunter.io/ios/app/greenlight-scanner/id1495178299)

This tool streamlines field documentation for networked devices by enabling fast, accurate collection of asset address data via barcode scanning. It syncs directly to design documents and a cloud-based registry, providing real-time installation progress and simplifying punch list management.

**Highlights:** Barcode scanning for asset data, Real-time sync with asset registry, Automated as-built documentation, Punch list management, Streamlined IoT deployments, Reduced commissioning time

**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 GreenLight Scanner free?

GreenLight Scanner 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, GreenLight Scanner or CORE Service?

GreenLight Scanner is rated higher. GreenLight Scanner averages 5.0 out of 5 from 10 ratings, while CORE Service averages 3.6 from 19 ratings.

### Do GreenLight Scanner or CORE Service have ads?

Neither GreenLight Scanner nor CORE Service shows ads.

### Which is updated more often, GreenLight Scanner or CORE Service?

GreenLight Scanner ships an update every 5 weeks, and CORE Service every 3 months. Most recently, GreenLight Scanner was updated on September 24, 2026 and CORE Service on September 30, 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.*