Comparison

Buzz vs Nova Mare YachtOS

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

Head to head
About

Buzz

Collaborate with both humans and AI agents in shared workspaces. Every interaction is logged for a transparent audit trail, ensuring a unified identity model for all participants. Agents can actively participate in channels, not just communicate.

Highlights
  • Human and AI agent collaboration
  • Shared rooms and channels
  • Signed event log with audit trail
  • Agents acting in workspace
  • Organized channels and threads
  • Image and media discussion
Features
Read full description

Buzz is a workspace where humans and AI agents share the same rooms. Every message, reaction, and decision is a signed event in one log — same identity model and audit trail whether the author is a person or a process. Add an agent to a channel the same way you add a teammate. Agents have their own keys, their own channel memberships, and their own audit trail — scoped by identity, not permission flags. • Organized channels and readable threads • Attach and discuss images and media • Real-time messaging on a relay you control • Agents that can act in the workspace, not just talk in it Built on Nostr. Self-hostable. The relay is yours.

About

Nova Mare YachtOS

Features
Read full description

Nova Mare is the intelligent marine operating system built to make managing a vessel simpler, smarter, and more connected. Designed for captains, engineers, owners, and marine professionals, Nova Mare brings vessel intelligence, maintenance, diagnostics, documentation, parts, service, and operational information together in one powerful platform. Instead of searching through manuals, spreadsheets, service records, websites, and disconnected systems, Nova Mare puts the information you need at your fingertips. NOVA SENTINEL Monitor vessel health and gain intelligent insights into equipment, systems, maintenance needs, and potential issues before they become bigger problems. ASK NOVA Ask questions about your vessel, equipment, systems, maintenance, troubleshooting, or marine operations and get intelligent, context-aware assistance. BOATMD Troubleshoot marine equipment and system problems with AI-assisted diagnostics designed to help identify possible causes and guide you toward the next step. NOVA MAINTENANCE Organize equipment, service history, maintenance schedules, checklists, findings, and upcoming maintenance from one connected system. NOVA PARTS Search for marine parts and equipment without wasting hours jumping between suppliers and websites. NOVA SERVICE Find marine technicians, contractors, specialists, and service providers for the work your vessel needs. LIVE VESSEL Bring compatible vessel information into Nova Mare to create a more connected view of your vessel and its systems. VESSEL LIBRARY Keep manuals, documentation, service information, equipment records, and vessel knowledge organized and accessible. NOVA EXECUTIVE The intelligent command center that gives owners and management clear, real-time oversight of vessel performance, risk, operations, and financials in one place. ONE VESSEL. ONE SOURCE OF INTELLIGENCE. Nova Mare is designed around a simple idea: your vessel already generates an enormous amount of information. That information should not be scattered everywhere. Nova Mare brings it together so you can understand your vessel, maintain it, troubleshoot it, find what you need, and make better-informed decisions from one place. Less searching. Less fragmentation. More intelligence. Welcome to Nova Mare. Bringing Intelligence to the Seas.

Screenshots

Buzz4 screens
Nova Mare YachtOS4 screens

Verdict

The call

The clearest difference is update cadence: Buzz at every 4 days against Nova Mare YachtOS's every 3 weeks. Nova Mare YachtOS's advantage is device support (3 vs 1). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Buzz ships an update every 4 days, Nova Mare YachtOS every 3 weeks. The most recent releases landed on October 30, 2026 and October 18, 2026 respectively.

Scorecard2 real differences · 8 level
Buzz versus Nova Mare YachtOS: the parameters behind the verdict, then further details
ParameterBuzzNova Mare YachtOS
PriceFreeFree
Rating4.2 (65 ratings) — better—
Positive reviews59.0% of reviews—
Number of ratings65 — better—
Update frequencyEvery 4 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.015.5 — better
Further details — not scored
Size66 MB14 MB
Age rating17+4+
DeveloperBlock, Inc.Gabriel Attenborough

In-app purchases

None

Buzz

No in-app purchases

None

Nova Mare YachtOS

No in-app purchases

Questions

Is Buzz free?
Buzz is free to download, with no in-app purchases.
Is Nova Mare YachtOS free?
Nova Mare YachtOS is free to download, with no in-app purchases.
Do Buzz or Nova Mare YachtOS have ads?
Neither Buzz nor Nova Mare YachtOS shows ads.
Which is updated more often, Buzz or Nova Mare YachtOS?
Buzz ships an update every 4 days, and Nova Mare YachtOS every 3 weeks. Most recently, Buzz was updated on October 30, 2026 and Nova Mare YachtOS on October 18, 2026.

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