# CORE Service vs CaptiveAire Toolbox

The clearest difference is rating: CaptiveAire Toolbox at 5.0 against CORE Service's 3.6. CaptiveAire Toolbox also leads on update cadence (every 6 days vs every 3 months). CORE Service's advantage is ratings volume (19 vs 1). 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.

CaptiveAire Toolbox holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: CORE Service has 19 ratings behind it against 1, so its average is the more settled of the two.

CORE Service ships an update every 3 months, CaptiveAire Toolbox every 6 days. The most recent releases landed on October 22, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | CORE Service | CaptiveAire Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (19 ratings)](https://appshunter.io/ios/app/core-service/id1566612696/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/captiveaire-toolbox/id6765656560/reviews)** |
| Number of ratings | **19** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Monetization | Free | Free |
| Size | 47 MB | 71 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lennox Industries](https://appshunter.io/developer/355049651) | [CaptiveAire Systems, Inc.](https://appshunter.io/developer/1896026735) |

## What reviewers say

### 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


### CaptiveAire Toolbox

[App page](https://appshunter.io/ios/app/captiveaire-toolbox/id6765656560)

This app provides over 40 HVAC and building-systems engineering calculators. It's designed for field use, offering standard industry formulas for cooling, heating, ventilation, electrical sizing, and more. Access detailed formula definitions and reference data.

**Highlights:** 40+ HVAC engineering calculators, Cooling and heating load calculations, Ventilation and airflow tools, Electrical sizing and motor circuits, Duct and piping pressure drop, Reference data and psychrometric chart

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

**In-app purchases:** none


## Frequently asked questions

### Is CORE Service free?

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

### Is CaptiveAire Toolbox free?

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

### Which has better reviews, CORE Service or CaptiveAire Toolbox?

CaptiveAire Toolbox is rated higher. CORE Service averages 3.6 out of 5 from 19 ratings, while CaptiveAire Toolbox averages 5.0 from 1 ratings.

### Do CORE Service or CaptiveAire Toolbox have ads?

Neither CORE Service nor CaptiveAire Toolbox shows ads.

### Which is updated more often, CORE Service or CaptiveAire Toolbox?

CORE Service ships an update every 3 months, and CaptiveAire Toolbox every 6 days. Most recently, CORE Service was updated on October 22, 2026 and CaptiveAire Toolbox on October 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.*