Comparison

NDI Test Patterns vs NDI Switcher

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

Head to head
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

About

NDI Switcher

Easily switch between multiple NDI video sources on your local network. Preview feeds, select one for output, and even record them individually or simultaneously. Export recordings for further editing.

Highlights
  • Connect up to 6 NDI feeds
  • Preview individual camera feeds
  • Select one source for output
  • Rebroadcast selected feed via NDI
  • Record individual or all feeds
  • Export recordings for editing
  • Set transition times between feeds
Features
Read full description

Switch between your NDI video sources! Focus allows you to connect and select multiple camera feeds, and other NDI video feeds on your local network. Preview your camera feeds, and select one source to output from your device. Connect to OBS over local network. Features include: * Up to 6 simultaneous feed connections (device/network dependent). * Rebroadcast your selected feed to other devices, via NDI. * Share your selected feed full-screen to any connected display, via AppleTV or via HDMI adaptor. * Select feed quality of each individual feed. * Record individual feeds or all at once. * Export recordings from the app to edit in other applications. * Set transition times between feeds. Focus is developed in Aotearoa New Zealand, by David Wood. David loves making real-time video tools, that anyone can use. --- Please note: Video feed quality dependent on your receiving device, any NDI cameras or other devices sending NDI video feeds, and the quality of your network. It is recommended to use a wired ethernet connection with your device, and a 1Gbps (1000BASE-T) ethernet switch or dedicated wifi router with good range/signal strength. -- Focus is © David Wood NDI and the NDI SDK, is © NDI Inc EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

NDI Test Patterns3 screens
NDI Switcher4 screens

Verdict

The call

The clearest difference is review sentiment: NDI Test Patterns at 100% against NDI Switcher's 0%. NDI Test Patterns also leads on rating (5.0 vs 1.0) and in-app purchases (none vs 3). On price, ratings volume, update cadence and ads 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. NDI Switcher sells 3 in-app purchases, starting at $4.99 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 1.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 100% of NDI Test Patterns's written reviews are positive against 0% of NDI Switcher's.

UpkeepUpdate frequency

NDI Test Patterns ships an update every 4 months, NDI Switcher every 3 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 5 level
NDI Test Patterns versus NDI Switcher: the parameters behind the verdict, then further details
ParameterNDI Test PatternsNDI Switcher
PriceFreeFree
Rating5.0 (2 ratings) — better1.0 (2 ratings)
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings22
Update frequencyEvery 4 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.4 — better17.6
Further details — not scored
Size10 MB14 MB
Age rating4+4+
DeveloperVi(z)rt, IncDavid Wood

Customer experience

NDI Test Patterns

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

NDI Switcher

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

NDI Test Patterns

No in-app purchases

3 purchases

NDI Switcher

Subscriptions2
  • Monthly$4.991 Month
  • Annual$14.991 Year
One-time1
  • Lifetime$24.99

Questions

Is NDI Test Patterns free?
NDI Test Patterns is free to download, with no in-app purchases.
Is NDI Switcher free?
NDI Switcher is free to download, with in-app purchases available.
Which has better reviews, NDI Test Patterns or NDI Switcher?
NDI Test Patterns is rated higher. NDI Test Patterns averages 5.0 out of 5 from 2 ratings, while NDI Switcher averages 1.0 from 2 ratings.
Do NDI Test Patterns or NDI Switcher have ads?
Neither NDI Test Patterns nor NDI Switcher shows ads.
Which is updated more often, NDI Test Patterns or NDI Switcher?
NDI Test Patterns ships an update every 4 months, and NDI Switcher every 3 months. Most recently, NDI Test Patterns was updated on November 3, 2026 and NDI Switcher on October 31, 2026.

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