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Difference between SONOFF iHost and ZBBridge Ultra

25 July 2025 by
Difference between SONOFF iHost and ZBBridge Ultra
CRM, Wendy

Introduction

At SONOFF, our mission is simple: to make life easier. We’re dedicated to transforming daily routines and enhancing convenience for people and households worldwide through cutting-edge technology and a relentless focus on user-centered innovation. With the increasing popularity of smart devices in homes, the need for stability, reliability, and compatibility with third-party platforms in the smart home industry has never been more crucial. Users rely on seamless integration and consistent performance as they connect an ever-growing number of devices. In the rapidly expanding world of smart home technology, choosing a Zigbee bridge is essential for creating a seamless and efficient ecosystem. To cater to diverse user preferences, SONOFF has introduced two products: iHost and ZBBridge-U. Both act as bridges between Zigbee devices and various smart home ecosystems, yet each offers a unique approach and functionality. Let’s explore the specific features of each product.

iHost: The Localized Server

iHost is tailored as a localized server solution, distinct from cloud-based platforms like eWeLink and its associated app. Users interact directly with the iHost’s host system for all operations. Notably, all automation settings, operation logs, and device data are stored locally, ensuring privacy and data security.

Its Zigbee network design prioritizes compatibility, accommodating a wide array of Zigbee devices from different brands and categories for unified control and management. Moreover, iHost supports the installation of various extension applications via Docker, enhancing its versatility for diverse usage scenarios.

Additionally, iHost facilitates integration into popular smart home ecosystems such as Apple Home, Alexa, and Google Home through the Matter bridge, enabling seamless interoperability with other devices and platforms.

ZBBridge Ultra: The Upgraded Zigbee Bridge

ZBBridge Ultra is the next step in the evolution from its predecessor, ZBBridge-P. It comes with upgraded main control and memory components, ensuring stable connections with a greater number of sub-devices. Unlike iHost, ZBBridge-U relies on eWeLink Cloud and its app for operation. Its primary function is to bridge Zigbee devices to eWelink. Notably, ZBBridge-U allows for the integration of various SONOFF Zigbee devices into other Matter-compatible smart home ecosystems, expanding interoperability and functionality.

Product Comparison

Hardware Specifications

Hardware Specifications

iHost (RV1109)ZBBridge Ultra
ChipRV1109+EFR32MG21RV1109+EFR32MG21
Wireless Module2.4G WiFi&BLE RTL87232.4G WiFi&BLE RTL8723
CPU1.5GHz Dual-core1.5GHz Dual-core
DDR42G1G
eMMC8G8G
Ethernet RJ45 Port100M100M
Power SupplyType-CType-C
Speaker
Microphone--
USB Port--


Software Features

iHost (RV1109)ZB Bridge Ultra
Software PlatformIndependent Web Console*eWeLink App
LAN Control--
Local Scenes√*
Home Security Mode
Turbo Mode(20dBm output power)
Max Zigbee Devices Capabilities128256
Zigbee CompatibilityLearn MoreLearn More
Matter Bridge
SONOFF WiFi Devices IntegrationNot yet
eWeLink-Remote--
Docker Extension--
API for Third-party Integration--


*All iHost Zigbee devices run locally which are not available in the eWeLink APP.

√*: The devices in the smart scene set are Zigbee sub-devices connected through the same gateway.


Conclusion

While both iHost and ZBBridge-U serve as bridges for Zigbee devices, they cater to different user needs and preferences. iHost shines with its localized approach, prioritizing privacy and security by storing data locally. Its versatility in supporting diverse Zigbee devices and extension applications via Docker enhances its appeal to advanced users seeking customization options. On the other hand, ZBBridge-U offers seamless integration with eWeLink Cloud and its app, providing convenience for users already entrenched in the eWeLink ecosystem. Its focus on stability and scalability makes it an ideal choice for those prioritizing reliable device connectivity and compatibility with Matter-enabled ecosystems. In conclusion, the choice between iHost and ZBBridge-U hinges on factors such as privacy preferences, desired ecosystem integration, and the need for customization. By understanding their distinct features and functionalities, users can make informed decisions to suit their specific smart home requirements.