NDI® Multiviewer · iPhone · iPad · Mac

Every source. One screen. In your pocket.

NDI MViewer finds every NDI® source on your network and puts it on a broadcast-grade multiview grid — program tiles at full bandwidth, previews kept lightweight, VU meters on every box. Tap any tile for a full-screen, full-resolution monitor. Native on iPhone, iPad and Mac.

Free single-source monitoring. One purchase across iPhone, iPad and Mac.

16
sources on one screen
4
multiview layouts
3
platforms, one purchase
NDI MViewer multiview: two full-bandwidth program tiles above a grid of six preview tiles, each with source label and VU meters

What it does

A control-room view,
wherever you are.

Built for engineers, TDs and camera operators who need eyes on every feed — in the truck, backstage, or from the couch during rehearsal.

01

Multiview grids

Four layouts, from a quick 2×2 to a 16-source wall.

  • 2 + 6: two program tiles at full bandwidth
  • 2×2, 3×3 and 4×4 uniform grids
  • Lightweight previews keep bandwidth low
  • Long-press to clear, tap to go full screen
02

Full-screen monitor

Any tile becomes a full-resolution confidence monitor.

  • Full bandwidth, full resolution
  • Pinch to zoom up to 8× and pan
  • Live stats: resolution, fps, pixel format
  • Chrome auto-hides for a clean feed
03

Audio you can see

Meter every source at a glance — listen when it matters.

  • Stereo VU meters on every tile
  • dB-scaled, green to red peaks
  • Listen to any source with volume control
  • Meters toggle on or off, app-wide
04

Discovery that works

On the studio LAN or a managed broadcast network.

  • Automatic mDNS discovery, zero setup
  • NDI Discovery Server support built in
  • Multiple servers for redundancy
  • Sources grouped by machine

Multiview

From four sources
to a video wall.

The 2 + 6 layout mirrors a real production switcher: program and preview at full bandwidth on top, six efficient preview tiles below. Or go uniform — up to 4×4 with sixteen sources live on one screen.

  • 2 + 62 full-bandwidth program tiles + 6 previews
  • 2×2 / 3×3 / 4×4Uniform grids, 4 to 16 sources
  • Program tilesFull bandwidth, orange PGM marking
  • Preview tilesLow-bandwidth stills, easy on Wi-Fi and battery
NDI MViewer 4×4 multiview grid showing sixteen NDI sources with labels

Single-source monitor

When one feed
needs your full attention.

Tap any tile — or pick a source straight from the browser — and get a full-screen, full-bandwidth monitor with the numbers an engineer actually wants: resolution, measured frame rate and pixel format, live.

  • ZoomPinch to 8×, pan, one-tap Fit
  • Statse.g. 1920×1080 · 60 fps · UYVY 8-bit
  • AudioListen / mute with volume slider
  • Always freeSingle-source monitoring costs nothing
NDI MViewer full-screen monitor with live stats: 1920×1080, 60 fps, UYVY 8-bit, full bandwidth

Under the hood

Native. Metal.
The real NDI SDK.

No web wrapper, no transcode tricks. NDI MViewer is built on the official NDI® SDK with a GPU pipeline written in Metal — including 16-bit pipelines for sources that send more than 8 bits.

  • RenderingNative Metal shaders, GPU color conversion
  • FormatsUYVY, UYVA, P216, PA16, BGRA/RGBA
  • Receive modeNDI "fastest" path, progressive video
  • LanguagesEnglish & German UI
  • RequirementsiOS/iPadOS 16+ · macOS 13+ (Metal)
NDI MViewer source browser with sources grouped by machine and Monitor / Add buttons

Platforms

Buy once. Run it everywhere.

iPhone

The confidence monitor that's already in your pocket. iOS 16 or later.

iPad

A proper multiview surface for the truck, FOH or the producer's desk. All orientations.

Mac

Multiview plus floating monitor windows — one resizable window per source (Pro). macOS 13+, Apple silicon & Intel.

One App Store purchase unlocks Pro on every platform — Universal Purchase, one subscription for iPhone, iPad and Mac.

Pricing

Monitoring is free.
The wall is Pro.

Free
0 € forever

Everything you need to check a feed.

  • Single-source full-screen monitoring — unlimited
  • Full bandwidth, zoom, live stats, audio
  • Automatic discovery & Discovery Server support
  • 30 minutes of multiview included to try it out
Download free
NDI MViewer Pro
9.99 € / month

For productions that live on the multiview.

  • All multiview layouts — 2+6, 2×2, 3×3, 4×4
  • Unlimited multiview time
  • Floating monitor windows on macOS
  • One subscription across iPhone, iPad & Mac
Get Pro

Price shown for the German storefront; the App Store sets the exact price for your region. The subscription auto-renews monthly until cancelled — manage or cancel anytime in your App Store account settings. Single-source monitoring stays free either way.

Who builds this

Built on air,
not on slides.

NDI MViewer comes from the team at RMH Digital / Racespot Media House — broadcast engineers behind 400+ live productions a year for names like Porsche, BMW and iRacing. We built the monitor we wanted on our own shows.

FAQ

Good questions.

What is NDI®?

NDI (Network Device Interface) is the de-facto standard for sending broadcast-quality video over ordinary networks. Cameras, switchers, graphics systems and tools like OBS can all output NDI — and NDI MViewer shows those streams on your Apple devices.

Which sources can it receive?

NDI MViewer is built on the official NDI® SDK and receives standard NDI streams on your network. It decodes 8-bit and 16-bit 4:2:2 formats (UYVY, P216) as well as RGBA — including alpha variants — and renders everything natively on the GPU via Metal.

Do I need an NDI Discovery Server?

No. On a normal LAN, sources appear automatically via mDNS with zero setup. On managed broadcast networks that use an NDI Discovery Server, add its address in Settings — multiple servers are supported for redundancy.

What's free and what's Pro?

Single-source full-screen monitoring is free forever — full bandwidth, zoom, stats and audio included. Multiview comes with 30 minutes of free use so you can try every layout; after that, unlimited multiview requires the Pro subscription (9.99 €/month on the German storefront).

Does one subscription cover iPhone, iPad and Mac?

Yes. NDI MViewer is a Universal Purchase — subscribe once with your Apple ID and Pro is unlocked on all your devices across iOS, iPadOS and macOS.

How do I cancel?

Directly with Apple, anytime: App Store → your account → Subscriptions. The subscription auto-renews monthly until you cancel; there is no separate account with us and no lock-in.

Get it

Put your network
on screen.

iPhone & iPad (iOS 16+) · Mac (macOS 13+) · English & German