1.4.0 Safe to install
The HM7000 range of products is supported by the HM | DCC app, which streamlines the process of setting up and managing model railway systems.
As a contemporary model railway control system, HM | DCC offers an intuitive interface for building a comprehensive library of locomotives, allowing users to exercise thorough control with ease. Users can customize locomotives with images, adjust settings in real time, and refine the operational style of each locomotive. The capability to design intricate layouts and maneuver locomotives through controllable points, signals, and turntables adds a layer of flexibility and freedom.
Setting up the system is straightforward. Users can log in, connect their Bluetooth® HM devices, power-cycle them, and begin operating effortlessly.
One of the standout features of this system is its completely wireless operation. The HM | DCC app facilitates untethered control of your layout, enabling users to upgrade existing systems without the hassle of replacing installed controllers and components.
Personalization extends beyond just operation; users can fill their engine shed with their fleet of locomotives, select photos for each unit, and program their settings to see instant changes in running styles.
The app offers complimentary locomotive sound profiles as well. By connecting HM7000-TXS decoders to HM | DCC, users can enjoy a wide variety of locomotive sounds available for download. Regular updates ensure access to the latest sound profiles as soon as they are released.
For layout design, the integrated Track Builder tool provides users with the means to create and visualize their ideal configurations. Furthermore, exporting a materials list simplifies the construction process.
The app is compatible with OO, TT, and N scale gauges, allowing a broad user base to upgrade previous DCC products for use with HM | DCC. It supports both Bluetooth® and non-Bluetooth® decoders operating concurrently, thereby extending usability across various locomotive types.
It is important to note that an account on Hornby.com is a prerequisite for using the HM | DCC app. Account creation is straightforward through the website. Internet access is necessary for device resets, profile downloads, hardware and app updates, and app login.
Prospective users should ensure their devices are compatible with both the HM | DCC app and the HM7000 range beforehand. While devices older than five years may function to some degree, they are not recommended for optimal control. For further information or assistance, visiting Hornby.com or contacting Hornby Hobbies customer care is advisable.
Overview
HM | DCC is a Freeware software in the category System Utilities developed by Hornby Hobbies Ltd.
The latest version of HM | DCC is 1.4.0, released on 04/03/2025. It was initially added to our database on 04/03/2025.
HM | DCC runs on the following operating systems: iOS.
Users of HM | DCC gave it a rating of 3 out of 5 stars.
Pros
- Wireless Bluetooth control of layout via HM7000 devices — untethered, no wiring changes required for upgrades
- Dedicated app for HM7000 ecosystem with deep integration (linking, firmware updates, decoder programming)
- Ability to control up to 8 locomotives together (consisting) with individual and global function control for multi-engine operation
- Built‑in Track Builder to design layouts and export a parts/list for building
- Personalisation of locomotives with photos and downloadable sound profiles (free official locomotive sounds)
- Supports multiple scales (OO, TT, N) and allows parallel control of Bluetooth and non‑Bluetooth decoders — aids staged upgrades
- Regular app updates and release notes indicate active development and bug fixes (localisation added for multiple languages)
- Relatively small app footprint (~50 MB) and a simple feature set for users who want smartphone control rather than more complex hardware controllers
- Hornby provides a customer contact/support page for further help (contact information available on hornby.com)
Cons
- Requires a Hornby.com account and online verification to use the app; some users report account verification/sign‑in failures and missing verification emails
- Reports of initial setup difficulty and intermittent reliability — several user reviews cite bugs and frustrating first‑time experiences
- Some functionality (device reset, profile downloads, hardware/app updates and login) requires internet access — limits offline use
- Requires HM7000 hardware (or compatible Hornby decoders) — app is not a standalone DCC system and investment in Hornby hardware is necessary
- App experience and advanced function programming are reported as limited compared with more mature DCC software/hardware ecosystems
- Compatibility warning for older devices (Hornby does not recommend devices older than ~5 years) — limited device compatibility may exclude some users
- Low number of public reviews and a modest App Store rating (3.0/5) — limited social proof and mixed user sentiment
- Platform availability appears focused on iOS (Apple App Store listing); no clear, official Android app listing in the provided sources
- Support workflow may be region/website‑centric (Hornby support/contact is routed through their site), which could add friction for users needing quick verification or account support
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