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SDRuno alternatives: 5 apps ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rankAll SDR software

Top picks

Common reasons people leave SDRuno: end-of-life: no further updates, and windows only. We ranked 5 alternatives by how directly each one replaces SDRuno, then by reviews, real visits and how recently each app's facts were checked against its own website. SDRconnect currently ranks first.

SDRuno has been discontinued. SDRplay states on its SDRuno page that SDRuno has been end-of-lifed; the last version remains downloadable there.

Quick comparison

#AppPricingVerified priceOpen sourcePlatformsVerified factsScore
1SDRconnect logoSDRconnectFree—NoWindows, macOS, Linux5 of 568.8
2SDR++ logoSDR++Open source—YesWindows, macOS, Linux4 of 464.8
3SDR# (SDRSharp) logoSDR# (SDRSharp)Free—NoWindows4 of 461.8
4HDSDR logoHDSDRFree—NoWindows5 of 559.4
5Gqrx logoGqrxOpen source—YesLinux, macOS4 of 457.5
  1. SDRconnect logo

    1. SDRconnectTop pick

    Best for: SDRplay RSP owners who want the vendor's maintained, cross-platform receiver app

    FreeWindows, macOS, Linux

    68.8

    score / 100

    Why switch from SDRuno

    SDRplay's official replacement, still updated and available on Windows, macOS and Linux.

    Pros

    • Runs on Windows, macOS and Linux, including ARM64 builds
    • Headless mode for remote receivers
    • Built-in WebSocket API for automation

    Cons

    • Works only with SDRplay hardware, and not the original RSP1
    • Requires a 64-bit operating system
    • Linux support is only tested on Ubuntu LTS
    Visit SDRconnect Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is SDRconnect a good SDRuno alternative?

    Verified facts

    5 of 5 verified
    Platforms
    Windows, macOS, Linux
    Checked Nov 8, 2026sdrplay.com(opens source in a new tab)
    Hardware support
    All RSPs except RSP1
    Checked Nov 8, 2026sdrplay.com(opens source in a new tab)
    Headless mode
    Yes
    Checked Nov 8, 2026sdrplay.com(opens source in a new tab)
    Requirement
    64-bit OS
    Checked Nov 8, 2026sdrplay.com(opens source in a new tab)
    API
    WebSocket API
    Checked Nov 8, 2026sdrplay.com(opens source in a new tab)
  2. SDR++ logo

    2. SDR++

    Best for: SDR users who want a fast, modern receiver that runs on any desktop

    Open sourceWindows, macOS, Linux

    64.8

    score / 100

    Why switch from SDRuno

    Free, open-source and cross-platform, with SDRplay support and a clean, fast interface.

    Pros

    • Light on CPU thanks to SIMD-accelerated processing
    • Multiple VFOs to follow several signals at once
    • Runs on Windows, macOS, Linux and BSD
    • Plugin system for extra sources and decoders

    Cons

    • Receive only; no transmit support
    • Fewer built-in digital-mode decoders than SDRangel
    • Documentation is mostly a PDF manual and community wiki
    Visit SDR++ Details and reviews
    How this score is calculated
    Editorial fit ×0.387
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is SDR++ a good SDRuno alternative?

    Verified facts

    4 of 4 verified
    License
    GPL-3.0
    Checked Oct 29, 2026github.com(opens source in a new tab)
    Platforms
    Windows, Linux, macOS, BSD
    Checked Nov 8, 2026sdrpp.org(opens source in a new tab)
    Multiple VFOs
    Yes
    Checked Nov 8, 2026sdrpp.org(opens source in a new tab)
    Hardware support
    SoapySDR and dedicated modules
    Checked Nov 8, 2026sdrpp.org(opens source in a new tab)
  3. SDR# (SDRSharp) logo

    3. SDR# (SDRSharp)

    Best for: Windows users with an Airspy or RTL-SDR who want a familiar receiver and lots of plugins

    FreeWindows

    61.8

    score / 100

    Why switch from SDRuno

    Popular Windows SDR app with a large plugin ecosystem that works with RSP devices.

    Pros

    • Free download with drivers for Airspy, RTL-SDR and HackRF included
    • Large library of community plugins
    • SpyServer for remote access to a receiver
    • Plugin SDK for developers

    Cons

    • Windows only
    • Closed source
    • Best features are tuned for Airspy hardware
    Visit SDR# (SDRSharp) Details and reviews
    How this score is calculated
    Editorial fit ×0.377
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is SDR# (SDRSharp) a good SDRuno alternative?

    Verified facts

    4 of 4 verified
    Price
    Free
    Checked Nov 8, 2026airspy.com(opens source in a new tab)
    Bundled drivers
    Airspy, HackRF, RTL-SDR, AOR, RFSPACE
    Checked Nov 8, 2026airspy.com(opens source in a new tab)
    Plugin SDK
    Yes
    Checked Nov 8, 2026airspy.com(opens source in a new tab)
    Platform
    Windows
    Checked Nov 8, 2026airspy.com(opens source in a new tab)
  4. HDSDR logo

    4. HDSDR

    Best for: Windows shortwave listeners and radio amateurs using ExtIO-supported SDR hardware

    FreeWindows

    59.4

    score / 100

    Why switch from SDRuno

    Lightweight free Windows receiver that many RSP owners already use for HF listening.

    Pros

    • Free, with no ads or paid tier
    • Separate spectrum and waterfall views for RF and audio
    • Scheduled recording of RF, IF and audio
    • Works with many receivers through ExtIO drivers

    Cons

    • Windows only
    • Closed source
    • Hardware support depends on finding the right ExtIO DLL
    Visit HDSDR Details and reviews
    How this score is calculated
    Editorial fit ×0.369
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is HDSDR a good SDRuno alternative?

    Verified facts

    5 of 5 verified
    Price
    Freeware
    Checked Nov 8, 2026hdsdr.de(opens source in a new tab)
    Platform
    Windows
    Checked Nov 8, 2026hdsdr.de(opens source in a new tab)
    Demodulation modes
    AM, ECSS, FM, SSB, CW
    Checked Nov 8, 2026hdsdr.de(opens source in a new tab)
    Transmit
    Basic TX in SSB, AM, FM, CW
    Checked Nov 8, 2026hdsdr.de(opens source in a new tab)
    Latest version
    2.81a (January 2025)
    Checked Nov 8, 2026hdsdr.de(opens source in a new tab)
  5. Gqrx logo

    5. Gqrx

    Best for: Linux and Mac radio hobbyists who want a well-documented, packaged SDR receiver

    Open sourceLinux, macOS

    57.5

    score / 100

    Why switch from SDRuno

    Open-source receiver for Linux and macOS users moving off Windows-only SDRuno.

    Pros

    • Packaged by most Linux distributions, Homebrew and Flathub
    • Remote control over TCP and audio streaming over UDP
    • Records both audio and raw I/Q data

    Cons

    • No official Windows build
    • Receive only, with a basic set of analogue demodulators
    • Single VFO, so only one signal at a time
    Visit Gqrx Details and reviews
    How this score is calculated
    Editorial fit ×0.363
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Gqrx a good SDRuno alternative?

    Verified facts

    4 of 4 verified
    License
    GPL-3.0
    Checked Oct 30, 2026github.com(opens source in a new tab)
    Built on
    GNU Radio and Qt
    Checked Nov 8, 2026gqrx.dk(opens source in a new tab)
    Supported hardware
    Airspy, FUNcube, RTL-SDR, HackRF, USRP
    Checked Nov 8, 2026gqrx.dk(opens source in a new tab)
    Mac install
    MacPorts and Homebrew
    Checked Nov 8, 2026gqrx.dk(opens source in a new tab)

The best SDRuno alternative for…

The highest-ranked app in this list for each need.

SDRconnect logo

Best SDRuno alternative for most people

SDRconnect

SDRplay's official replacement, still updated and available on Windows, macOS and Linux.

SDR++ logo

Best SDRuno alternative for a free option

SDR++

Free, open-source and cross-platform, with SDRplay support and a clean, fast interface.

Gqrx logo

Best SDRuno alternative for open source

Gqrx

Open-source receiver for Linux and macOS users moving off Windows-only SDRuno.

SDRconnect logo

Best SDRuno alternative for Mac

SDRconnect

SDRplay's official replacement, still updated and available on Windows, macOS and Linux.

SDR# (SDRSharp) logo

Best SDRuno alternative for Windows

SDR# (SDRSharp)

Popular Windows SDR app with a large plugin ecosystem that works with RSP devices.

SDRconnect logo

Best SDRuno alternative for Linux

SDRconnect

SDRplay's official replacement, still updated and available on Windows, macOS and Linux.

SDRuno alternatives: common questions

What is the best alternative to SDRuno?

SDRconnect ranks first right now. SDRplay's official replacement, still updated and available on Windows, macOS and Linux. SDR++ and SDR# (SDRSharp) follow it in our ranking.

SDRuno vs SDRconnect: what's the difference?

Both SDRuno and SDRconnect are free to use. Only SDRconnect runs on macOS and Linux.

Is SDRuno free?

SDRuno is free to use.

Is there a free alternative to SDRuno?

Yes. SDRconnect (free), SDR++ (open source), SDR# (SDRSharp) (free) and HDSDR (free) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to SDRuno?

Yes: SDR++ and Gqrx.

Which SDRuno alternatives work on Linux?

SDRconnect, SDR++ and Gqrx run on Linux.

Why do people switch from SDRuno?

The complaints we hear most: end-of-life: no further updates; windows only; only works with SDRplay hardware.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces SDRuno, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.