Comparison

WebSocket Client vs RMH NDI MViewer

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

Head to head
About

WebSocket Client

This tool allows developers to test WebSocket servers and websites. Users can input URLs, including HTTP, WS, and WSS secure connections, along with specific ports, to verify functionality. It's designed as a testing utility for web development.

Highlights
  • Test WebSocket servers
  • Supports HTTP, WS, and WSS URLs
  • Input specific ports
  • HTML5 protocol testing
  • Developer tool
Features
Read full description

A easy client to test your web socket server/site, simply insert your url (can be used url as HTTP, WS, WSS secure connections) insert the specific port, if necessary, and test it! This is a APP thought as tool for testing for developer. for info about web socket: http://en.wikipedia.org/wiki/WebSocket Web socket it's the new protocol of the HTML5 The WebSocket protocol was standardized by the IETF as RFC 6455 in 2011, and the WebSocket API in Web IDL is being standardized by the W3C The WebSocket protocol is currently supported in most major browsers including Google Chrome, Internet Explorer, Firefox, Safari and Opera. WebSocket also requires web applications on the server to support it.

About

RMH NDI MViewer

Transform your Apple devices into professional NDI monitors and multiviewers for live production and streaming. View NDI sources in full-screen or monitor multiple feeds simultaneously with flexible grid layouts and audio level meters.

Highlights
  • Full-screen NDI source monitoring
  • Flexible multiview grids (2+6, 2x2, 3x3, 4x4)
  • Audio level meters
  • Automatic NDI source discovery
  • Low-latency Metal rendering
  • Supports full-bandwidth NDI and NDI|HX
Features
Read full description

NDI MViewer turns your iPhone, iPad and Mac into a professional NDI(R) monitor and multiviewer for your local network. View any NDI source full-screen at full resolution, or keep an eye on several at once in a flexible multiview grid - ideal for live production, streaming and broadcast. FEATURES - Single-source monitor with live resolution, frame-rate and format readout - Multiview grids: 2+6, 2x2, 3x3 and 4x4 layouts - Audio level meters on every source - Automatic discovery via mDNS, plus NDI Discovery Server support for managed networks - Smooth, low-latency Metal rendering - Works with full-bandwidth NDI and NDI|HX sources - Universal app - one purchase works on iPhone, iPad and Mac Single-source monitoring is free forever. Multiview is free for 30 minutes, then unlocks with the NDI MViewer Pro subscription. SUBSCRIPTION NDI MViewer Pro is an auto-renewing subscription that unlocks unlimited multiview on iPhone, iPad and Mac. - Title: NDI MViewer Pro - Length: 1 month (auto-renewing) - Price: US$8.99 per month (prices vary by region; e.g. EUR 9.99 in the Eurozone) Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours prior to the end of the current period. You can manage or cancel your subscription anytime in your Apple Account settings. Privacy Policy: https://mviewer.rmh-digital.com/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ NDI(R) is a registered trademark of Vizrt NDI AB.

Screenshots

WebSocket Client1 screens
RMH NDI MViewer4 screens

Verdict

The call

The clearest difference is rating: WebSocket Client at 4.0 against RMH NDI MViewer's 1.0. WebSocket Client also leads on in-app purchases (none vs 1) and ratings volume (3 vs 1). RMH NDI MViewer's advantage is update cadence (monthly vs every 30 months) and device support (3 vs 1). On price, ads and iOS requirement 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. RMH NDI MViewer sells 1 in-app purchase, starting at $8.99 per month. WebSocket Client asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

WebSocket Client holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

UpkeepUpdate frequency

WebSocket Client ships an update every 30 months, RMH NDI MViewer monthly. The most recent releases landed on September 21, 2026 and September 28, 2026 respectively.

Scorecard6 real differences · 4 level
WebSocket Client versus RMH NDI MViewer: the parameters behind the verdict, then further details
ParameterWebSocket ClientRMH NDI MViewer
PriceFreeFree
Rating4.0 (3 ratings) — better1.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings3 — better1
Update frequencyEvery 30 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhoneiPhone, iPad, Mac — better
Requires iOS16.016.0
Further details — not scored
Size0 MB6 MB
Age rating4+4+
DeveloperLuca CeciRacespot Media House GmbH

Customer experience

WebSocket Client

All ratings3 ratings
Positive66.7%
Neutral33.3%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

RMH NDI MViewer

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

WebSocket Client

No in-app purchases

1 purchases

RMH NDI MViewer

Subscriptions1
  • NDI MViewer Pro$8.991 Month

Questions

Is WebSocket Client free?
WebSocket Client is free to download, with no in-app purchases.
Is RMH NDI MViewer free?
RMH NDI MViewer is free to download, with in-app purchases available.
Which has better reviews, WebSocket Client or RMH NDI MViewer?
WebSocket Client is rated higher. WebSocket Client averages 4.0 out of 5 from 3 ratings, while RMH NDI MViewer averages 1.0 from 1 ratings.
Do WebSocket Client or RMH NDI MViewer have ads?
Neither WebSocket Client nor RMH NDI MViewer shows ads.
Which is updated more often, WebSocket Client or RMH NDI MViewer?
WebSocket Client ships an update every 30 months, and RMH NDI MViewer monthly. Most recently, WebSocket Client was updated on September 21, 2026 and RMH NDI MViewer on September 28, 2026.

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