Comparison

Larix Broadcaster vs NDI Test Patterns

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Larix Broadcaster

This professional streaming camera app enables high-performance live broadcasting from mobile devices. It supports a wide range of protocols including SRT, RTMP, and NDI, offering advanced features for video and audio contribution. Configure multiple streams, add overlays, and record your broadcasts with ease.

Highlights
  • Multiple streaming protocols (SRT, RTMP, NDI, WebRTC, RTSP, RIST)
  • High-performance H.264/HEVC video encoding
  • Configurable connection profiles and multi-destination streaming
  • Overlay features (image, text, HTML, GPS-based)
  • Multi-camera capture and picture-in-picture modes
  • Recording and screenshot capabilities
  • Adaptive bitrate streaming (ABR)
Features
Read full description

Stream live from your iPhone or iPad - broadcast-quality video to any server, platform, or production switcher. No encoder box, no desktop setup required. Whether you're streaming IRL to Twitch or Kick, covering breaking news in the field, or feeding a remote production over NDI - Larix Broadcaster gives you the tools professional broadcasters rely on. PROTOCOLS & CODECS Supports SRT, RTMP/RTMPS, WebRTC WHIP, NDI HX2, RTSP, RIST, and Zixi. Video encoding in H.264 and H.265/HEVC. Audio in AAC or Opus depending on protocol. Multiple simultaneous outputs available (Premium). CAMERA & VIDEO Multi-camera capture with picture-in-picture and side-by-side modes. Front and back cameras with live switching, portrait and landscape rotation. UltraHD resolution, Dolby Vision HDR, and adaptive bitrate streaming (ABR). USB camera input on iPadOS 17 and later. Center Stage supported on iPad. OVERLAYS & RECORDING Image, text, HTML, and GPS-based overlays. Assign different overlay sets to live, paused, and stand-by states. Record streams as MP4 to iCloud. SEI/NTP metadata insertion for multi-camera sync. PROFESSIONAL FEATURES Talkback audio return via SRT, RTMP, Icecast, and SLDP. NDI tally light for on-air feedback. Stand-by mode for pre-configured stream launch. Larix Grove for sharing connection settings via QR code or deep link. LARIX PREMIUM - $9.99/month Removes the default watermark. Unlocks multiple simultaneous outputs, Talkback, HEVC encoding, advanced overlays, ABR streaming, and more. Manage licenses and control devices remotely via Larix Tuner. Learn more: https://softvelum.com/larix/premium/ RESOURCES Docs: https://softvelum.com/larix/docs/ Video tutorials: https://www.youtube.com/watch?v=Dhj0_QbtfTw Larix Broadcaster uses Apple's Standard License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

NDI Test Patterns

Transform your mobile device into a professional NDI® test pattern generator. Send video and audio test signals, or create custom slideshows using your own images. Ideal for live video production workflows.

Highlights
  • Mobile NDI test pattern source
  • Audio test tone generation
  • Custom NDI slideshows
  • High-resolution photo support
  • Automatic NDI device recognition
  • iPhone and iPad compatible
Features
Read full description

The official NDI® Test Patterns application. Turn your phone or tablet into a test pattern source for any NDI® receiver. The app also supports the sending of an audio test tone at different standard volumes which is useful when checking receiver audio levels. Finally enjoy the ability to add pictures from your photo library enabling custom NDI® slide shows. NDI® (Network Device Interface) is a low latency IP video protocol developed especially for professional live video production, and is supported by an extensive list of broadcast systems from many manufacturers. NDI® HX Camera turns your iOS imaging devices into high-quality wireless a/v sources for NDI-enabled broadcast systems and software on the same network. Your device’s output is automatically recognized by NDI-enabled* video systems, ready to be mixed into live shows or even for use as a web camera when used in conjunction with NDI® Tools (ndi.tv/tools). * Note: Requires support for NDI v.4 or better. Basic Features • Easy to use • iPhone and iPad compatibility • Access your photo library to stream user photos over NDI • Multiple standard volume choices for the audio test tone Advanced Features • Support for high resolution photos • Automatic NDI device recognition Support • Knowledge Base Articles https://support.newtek.com/hc/en-us/search?utf8=%E2%9C%93&query=iphone&commit=Search • NDI Forums https://forums.newtek.com/forumdisplay.php/360-NDI-%28Network-Device-Interface%29

Screenshots

Larix Broadcaster3 screens
NDI Test Patterns3 screens

Verdict

The call

The clearest difference is review sentiment: NDI Test Patterns at 100% against Larix Broadcaster's 56%. NDI Test Patterns also leads on rating (5.0 vs 3.6) and in-app purchases (none vs 3). Larix Broadcaster's advantage is update cadence (every 3 weeks vs every 4 months) and ratings volume (131 vs 2). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Larix Broadcaster sells 3 in-app purchases, starting at $9.99 per month. NDI Test Patterns asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

NDI Test Patterns holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: Larix Broadcaster has 131 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 56% of Larix Broadcaster's written reviews are positive against 100% of NDI Test Patterns's.

UpkeepUpdate frequency

Larix Broadcaster ships an update every 3 weeks, NDI Test Patterns every 4 months. The most recent releases landed on September 23, 2026 and August 13, 2026 respectively.

Scorecard7 real differences · 3 level
Larix Broadcaster versus NDI Test Patterns: the parameters behind the verdict, then further details
ParameterLarix BroadcasterNDI Test Patterns
PriceFreeFree
Rating3.6 (131 ratings)5.0 (2 ratings) — better
Positive reviews55.7% of reviews100.0% of reviews — better
Number of ratings131 — better2
Update frequencyEvery 3 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.014.4 — better
Further details — not scored
Size38 MB10 MB
Age rating4+4+
DeveloperFurtree Systems, Inc.NewTek

Customer experience

Larix Broadcaster

All ratings131 ratings
Positive61.1%
Neutral5.3%
Negative33.6%
Written reviews122 reviews
Positive55.7%
Neutral8.2%
Negative36.1%

NDI Test Patterns

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Larix Broadcaster

Reported bugs

17 issues
  • App crashes frequently after recent updates
  • Overlay rotation bug - upside down in preview mode
  • Audio drops when switching between cameras
  • Auto-focus triggering every other second during streams
  • Audio encoder crashes when changing lenses mid-stream
Show 12 more
  • Bluetooth microphone crashes entire audio stack
  • RTMP connection drops without error messages
  • Web widget add button non-functional on iPhone 15
  • Stream breaks every few seconds on some devices
  • Audio distortion and popping with increasing frequency during long streams
  • Garbled audio during streaming
  • App crashes on iPhone 7 Plus - camera won't display
  • Connection setup issues for RTSP streaming
  • Incompatibility with iPad OS 13.1 causing crashes
  • Audio interface (PreSonus AudioBox iOne) not recognized reliably
  • YouTube streaming no longer works - outdated guide
  • Camera won't show on certain iPhone models despite permissions

Requested features

18 requests
  • Custom resolution and canvas size adjustment
  • External SDI/HDMI source support via USB capture cards
  • Working video stabilization mode
  • In-app feedback mechanism
  • Zoom in/out functionality
Show 13 more
  • Microphone gain/level adjustment for built-in mic
  • Pause screen customization with user-selected images/audio
  • Watermark/overlay icon support
  • Current zoom level indicator
  • Browser overlay for live chat and alerts
  • Screen recording and streaming capability
  • SRTLA protocol support
  • Manual and feature documentation
  • Lower pricing tiers for limited use cases
  • Lifetime license option
  • Disable iPhone image stabilization toggle
  • 60 FPS support
  • Keep stream active when switching apps with audio continuation

NDI Test Patterns

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Larix Broadcaster

Subscriptions3
  • Larix Premium$9.991 Month
  • NDI Streaming$19.991 Month
  • Larix Premium One Year$119.001 Year
None

NDI Test Patterns

No in-app purchases

Questions

Is Larix Broadcaster free?
Larix Broadcaster is free to download, with in-app purchases available.
Is NDI Test Patterns free?
NDI Test Patterns is free to download, with no in-app purchases.
Which has better reviews, Larix Broadcaster or NDI Test Patterns?
NDI Test Patterns is rated higher. Larix Broadcaster averages 3.6 out of 5 from 131 ratings, while NDI Test Patterns averages 5.0 from 2 ratings.
Do Larix Broadcaster or NDI Test Patterns have ads?
Neither Larix Broadcaster nor NDI Test Patterns shows ads.
Which is updated more often, Larix Broadcaster or NDI Test Patterns?
Larix Broadcaster ships an update every 3 weeks, and NDI Test Patterns every 4 months. Most recently, Larix Broadcaster was updated on September 23, 2026 and NDI Test Patterns on August 13, 2026.

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