Platform Support

Platform Support

Platform	Minimum	Implementation
iOS	13.4 or React Native's minimum	Apple dns_sd C API
macOS	10.15	Apple dns_sd C API, with react-native-macos
tvOS	13.4	Apple dns_sd C API
Android	API 21 (Android 5.0)	NsdManager or embedded mDNSResponder
Windows	Windows 10	windns.h, with react-native-windows
Expo	Development builds, SDK 54 tested	Same as the native platform
Expo Go	❌

Features

✅ supported, 🟡 partial or conditional (hover or tap it for details), ❌ not supported.

Feature	iOS	Android NSD	Android DNSSD	Windows
Discovery	✅	✅	✅	✅
Publishing	✅	✅	✅	✅
TXT records	✅	✅	✅	✅
TXT order kept when publishing	✅	🟡	✅	✅
IPv4 and IPv6 addresses	✅	🟡	✅	🟡
mDNS host name in host	✅	🟡	✅	✅
Updates re-emitted as resolved	✅	🟡	❌	🟡
resolveTimeout	✅	✅	✅	✅
checkLocalNetworkAccess()	✅	✅	✅	✅
Subtypes (subtype, subtypes)	✅	✅	✅	🟡
networkInterface	✅	🟡	✅	✅
updateService()	✅	✅	✅	✅
resolveService()	✅	✅	✅	✅
scanServiceTypes()	🟡	🟡	✅	🟡

Errors use the RNZeroconf domain, plus DNSSD on iOS and Android DNSSD, NsdManager on Android NSD, and Windows on Windows. See Errors.

Windows is tested in CI: the native code against a second mDNS implementation (subtypes, live updates and service types included), and a react-native-windows app running the JavaScript API.

Architecture

	Supported
New Architecture	✅ tested with Expo SDK 54
TypeScript	✅ bundled types
Android 16 KB page size	✅ native libraries aligned