# Honeywell Installer Assistant vs Grant TechBox

The clearest difference is iOS requirement: Honeywell Installer Assistant at 6.0 against Grant TechBox's 15.0. 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.

Honeywell Installer Assistant ships an update every 6 months, Grant TechBox every 11 months. The most recent releases landed on October 5, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Honeywell Installer Assistant | Grant TechBox |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 11 months |
| Monetization | Free | — |
| Size | 16 MB | 47 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HH Global Interactive Ltd](https://appshunter.io/developer/1789777938) | [GRANT ENGINEERING UK LTD](https://appshunter.io/developer/1042420331) |

## What reviewers say

### Honeywell Installer Assistant

[App page](https://appshunter.io/ios/app/honeywell-installer-assistant/id609043125)

This app provides installation guidance for specific heating controls, including setup, service reminders, and technical information. It offers diagrams, wiring details, and a merchant finder for Honeywell products.

**Highlights:** Setup guidance for heating controls, Service reminder configuration, Technical knowledge base, Pictorial and wiring diagrams, Merchant finder by location, PDF installer and user guides

**Features:** macOS Compatibility

**In-app purchases:** none


### Grant TechBox

[App page](https://appshunter.io/ios/app/grant-techbox/id1042420332)

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

**In-app purchases:** none


## Frequently asked questions

### Is Honeywell Installer Assistant free?

Honeywell Installer Assistant is free to download, with no in-app purchases.

### Is Grant TechBox free?

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

### Do Honeywell Installer Assistant or Grant TechBox have ads?

Neither Honeywell Installer Assistant nor Grant TechBox shows ads.

### Which is updated more often, Honeywell Installer Assistant or Grant TechBox?

Honeywell Installer Assistant ships an update every 6 months, and Grant TechBox every 11 months. Most recently, Honeywell Installer Assistant was updated on October 5, 2026 and Grant TechBox on October 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*