RMH NDI MViewer vs ExoMind External Memory
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
ExoMind External Memory
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ExoMind is a private external memory—a calm, searchable home for the people, events, decisions, and ideas that matter to you. Everything you capture stays on your device. No accounts, no cloud, no tracking. ExoMind is built around a simple idea: you should remember, connect, and easily recall the important things in your life. WHAT YOU CAN CAPTURE • Event Ledger — moments, meetings, and milestones on a timeline. • People Cards — who someone is to you and what's open with them. • Decision Log — what you decided, why, and how it turned out. • State Snapshots — quick check-ins on energy, focus, and tension, with a trend dashboard. • Knowledge Vault—things you've learned, surfaced in context. RECALL IT WHEN IT MATTERS • Instant search across everything you've captured. • Insights that surface patterns and connections over time. AI-POWERED CAPTURE — YOUR KEY, YOUR PROVIDER ExoMind is bring-your-own-key: connect your AI provider (OpenAI, Google, or Anthropic) using your own API key to enable chat-driven capture. Your prompts go straight from your device to your provider — we never see your key or your data. PRIVATE BY DEFAULT • All data stored locally on your device. • Export and restore local backups whenever you want. • No location, contacts, or calendar access is ever granted. ExoMind is your second mind — quietly remembering, so you don't have to.
Screenshots
Verdict
The clearest difference is in-app purchases: ExoMind External Memory at none against RMH NDI MViewer's 1. ExoMind External Memory also leads on update cadence (every 2 days vs monthly). On price, ads, device support 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
Both are free to download. RMH NDI MViewer sells 1 in-app purchase, starting at $8.99 per month. ExoMind External Memory asks for nothing beyond the download.
RMH NDI MViewer ships an update monthly, ExoMind External Memory every 2 days. The most recent releases landed on September 28, 2026 and July 29, 2026 respectively.
| Parameter | RMH NDI MViewer | ExoMind External Memory |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 6 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Racespot Media House GmbH | AGENTUR CLICK LLC |
In-app purchases
RMH NDI MViewer
- NDI MViewer Pro$8.991 Month
ExoMind External Memory
No in-app purchases





