# GlacierGrid vs CORE Service

The clearest difference is review sentiment: GlacierGrid at 73% against CORE Service's 0%. GlacierGrid also leads on rating (4.5 vs 3.6) and update cadence (every 3 weeks vs every 3 months). CORE Service's advantage is iOS requirement (15.6 vs 18.0). 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.

GlacierGrid holds the better App Store score, 4.5 against 3.6. That said, the two scores are not equally well evidenced: GlacierGrid has 459 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 73% of GlacierGrid's written reviews are positive against 0% of CORE Service's.

GlacierGrid ships an update every 3 weeks, CORE Service every 3 months. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | GlacierGrid | CORE Service |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (459 ratings)](https://appshunter.io/ios/app/glaciergrid/id1491822471/reviews)** | [3.6 (19 ratings)](https://appshunter.io/ios/app/core-service/id1566612696/reviews) |
| Number of ratings | **459** | 19 |
| Positive reviews | **73.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 27 MB | 47 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [GlacierGrid Inc.](https://appshunter.io/developer/1065304513) | [Lennox Industries](https://appshunter.io/developer/355049651) |

## What reviewers say

### GlacierGrid

[App page](https://appshunter.io/ios/app/glaciergrid/id1491822471)

Monitor refrigeration and HVAC systems to prevent food waste and reduce energy consumption. Receive real-time alerts for temperature issues and make adjustments remotely to ensure compliance and optimize performance.

**Highlights:** Real-time temperature and humidity monitoring, Customizable alert notifications, Temporary HVAC setpoint adjustments, Temperature logbooks for compliance, Equipment performance insights, Team and user management

**Features:** macOS Compatibility, Vision Pro support

**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 GlacierGrid free?

GlacierGrid 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, GlacierGrid or CORE Service?

GlacierGrid is rated higher. GlacierGrid averages 4.5 out of 5 from 459 ratings, while CORE Service averages 3.6 from 19 ratings.

### Do GlacierGrid or CORE Service have ads?

Neither GlacierGrid nor CORE Service shows ads.

### Which is updated more often, GlacierGrid or CORE Service?

GlacierGrid ships an update every 3 weeks, and CORE Service every 3 months. Most recently, GlacierGrid was updated on October 8, 2026 and CORE Service on October 7, 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.*