Comparison

GRUP vs LayerMapper NDI

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

Head to head
About

GRUP

Features
Read full description

Tired of “when works for everyone?” threads that go nowhere? GRUP is the shared calendar and event planner that brings your family, friends or group together — and shows you exactly who’s coming. Create a group, share the calendar, plan an event and collect RSVPs in seconds. Perfect for families juggling busy weeks, couples keeping their plans in sync, and friend groups that actually want to see each other more. WHY GRUP? • Shared calendar — all your group’s plans in one place • RSVPs at a glance — instantly see who’s in and who’s out • Recurring events — weekly dinners, training, game night: schedule once • Default answers — “I’m always in on Tuesdays”: reply once, GRUP fills in the rest • Multiple groups — family, friends, team, club: keep them all organised • Easy invites — bring everyone in with a simple invite • Notifications — stay up to date when plans change • Free — no hidden costs or surprises MADE FOR • Families — gatherings, dinners and everyday organisation • Couples — plan your week together, stop double-booking • Friend groups — from spontaneous plans to regular meetups • Teams & clubs — training sessions, matches, rehearsals, book clubs Unlike a plain calendar, GRUP is built around people: every event collects answers, so you always know who’s coming. Download GRUP for free and get your people together!

About

LayerMapper NDI

Features
Read full description

LayerMapper NDI is the free companion app designed to supercharge your 3D mapping workflow. Whether you’re previewing content, collaborating remotely, or driving live events, LayerMapper NDI lets you both broadcast your device’s screen and monitor any NDI-enabled video source on your local network. Key Features Screen Broadcasting over NDI Send your iPhone or iPad screen as an NDI source in real time. Perfect for sharing mapping previews, control interfaces, slideshows, or any on-screen content directly into your LayerMapper 3D mapping sessions or your favorite live-production tools. NDI Signal Monitoring Discover and monitor all NDI sources on your network—cameras, switchers, other devices running NDI software—so you can keep track of every feed in one place. Pause, scale, and inspect any incoming NDI stream to ensure optimal framing and quality. Low-Latency, High Quality Built on the official NewTek NDI® SDK, LayerMapper NDI delivers smooth, high-fidelity video at ultralow latency. Your mapping visuals, live-event graphics, or remote demos arrive virtually instantaneously wherever NDI is supported. Seamless LayerMapper Integration Pair LayerMapper NDI with LayerMapper’s powerful 3D projection-mapping tools for a unified workflow. Push your mapping content from mobile to desktop without extra hardware, then fine-tune alignment and effects live. Intuitive Interface A clean, lightweight design lets you start broadcasting or monitoring with a single tap. Auto-discovers NDI sources on your Wi-Fi network, shows clear thumbnails of all feeds, and provides simple controls for each stream. Completely Free LayerMapper NDI is available at no cost. Use it to showcase your LayerMapper 3D mapping projects, collaborate with remote team members, or integrate mobile screens into any NDI-based production—all without subscription fees. Why LayerMapper NDI? LayerMapper NDI was built as a promotional companion to the award-winning LayerMapper 3D mapping software (learn more at layermapper.com). By extending NDI streaming capabilities to your iOS device, you can: Speed up collaboration: Send mapping previews live to any NDI-aware production system or to remote partners for instant feedback. Expand your toolkit: Broadcast your control panels, value gauges, or other on-screen overlays as part of a multi-camera NDI setup. Stay agile: Quickly switch between mapping content and external NDI sources without leaving your mobile device—ideal for live events, festivals, trade shows, and remote installations. Getting Started Install LayerMapper NDI on your iPhone or iPad. Connect to the same Wi-Fi network as your NDI-enabled desktop or other devices. Launch the app to automatically discover available NDI sources, or start broadcasting your screen with a single tap. In LayerMapper desktop or any NDI-aware software, simply select your mobile device as a source to pull in your live stream.

Screenshots

GRUP4 screens
LayerMapper NDI1 screens

Verdict

The call

The clearest difference is iOS requirement: LayerMapper NDI at 14.0 against GRUP's 16.0. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 5 level
GRUP versus LayerMapper NDI: the parameters behind the verdict, then further details
ParameterGRUPLayerMapper NDI
PriceFreeFree
Update frequencyEvery 10 days—
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.014.0 — better
Further details — not scored
Size42 MB7 MB
Age rating4+4+
DeveloperSealambdaDenis Grzechnik

In-app purchases

None

GRUP

No in-app purchases

None

LayerMapper NDI

No in-app purchases

Questions

Is GRUP free?
GRUP is free to download, with no in-app purchases.
Is LayerMapper NDI free?
LayerMapper NDI is free to download, with no in-app purchases.
Do GRUP or LayerMapper NDI have ads?
Neither GRUP nor LayerMapper NDI shows ads.

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