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Illustrations & Icons · Reviewed 20 Oct 2026

Nucleo

Nucleo is an icon library and management app for designers and developers.

· nucleoapp.com ↗

Paid against free › Illustrations & Icons › Nucleo

Nucleo at a glance

SEO analysis

Collected Oct 20, 2026

nucleoapp.com: an estimated 98,042 total monthly visits and about 8,792 monthly organic visits across 769 ranking keywords. Scout crawled 15 pages and measured a technical health score of 97/100.

98KEstimated total trafficModeled monthly visits769Ranking keywordsPublic search sample97/100Technical health15 pages checked2.1KReferring domainsLive backlink summary

Overview

01

Summary

The useful answer before the supporting detail.

Nucleo is an icon library and management tool offering 40,000+ premium SVG icons for designers and developers S39. It solves the problem of finding, organizing, and exporting consistent icons across projects, with a web app and desktop apps for Mac and Windows S39. Its practical value lies in customization, flexible export formats, and AI coding integrations that streamline icon workflows S4 S68.

02

Product identity and positioning

Name, category, positioning, audience, and first-party claims.

  • Identity: Nucleo is an icon library and management app by a two-developer team in Italy S39.
  • Core purpose: It helps designers and developers browse, customize, and export a large icon collection S39.
  • Intended users: Designers and developers S39.
  • Product scope: A product family including a web app, desktop apps, and AI coding integrations S39.
  • Positioning: Positioned as an ultimate icon bundle with 40,000+ icons S39.
  • Claimed distinction: Meticulously crafted since 2014 by a dedicated duo S39.
03

Use cases and audiences

Who the product serves and the jobs it is designed to handle.

AudiencePractical use case
DesignersBrowse and customize icons for UI and print projects S39 S4.
DevelopersExport icons as code (SVG, React, Vue) for integration into applications S4 S7.
TeamsShare icon projects and manage roles for collaborative design work S66 S1.
AI coding tool usersSearch, insert, and customize icons directly from Cursor, AI modelCode, or Codex S68.

Features

09

Features and capabilities

Core functions and evidence-backed product capabilities.

CapabilityWhat it does
Icon browsingBrowse 40,000+ icons in the web app S39.
Icon customizationEdit icons with the Icon Editor, including size, padding, rotation, and colors S4.
Icon transitionsCreate dynamic interactions and export as HTML/CSS/JS, Vue.js, or React code S4.
Icon exportExport icons as single SVGs, sprites, symbols, or icon fonts S7.
Icon importImport SVG files or folders, or JSON files from Nucleo S33.
Project organizationOrganize icons into smart collections called Projects S12.
Team collaborationShare icon projects and manage roles with team features S66 S1.
AI integrationUse MCP and agent skills to search, insert, and customize icons from AI coding tools S68.
10

Integrations and ecosystem

Connected products, exports, APIs, and workflow compatibility.

Integration or interfaceTypeWhat it enables
Cursor, AI modelCode, CodexAI integration (MCP + skills)Search, insert, and customize icons from AI coding tools S68.
React packagesIntegrationImport icons directly into React projects S67.
SVG exportData portabilityExport icons as single SVGs, sprites, or symbols S7.
Icon font exportData portabilityGenerate icon fonts with Unicode and CSS class values S7.
JSON importData portabilityImport icons from JSON files exported from Nucleo S33.
Cloud storage foldersIntegrationStore the icon library in a cloud folder (with cautions) S3.

Pricing

11

Pricing and plans

Published plans, free access, trials, credits, and pricing limitations.

Plan or offerVerified price and billingIncludedLimits
All Icons BundleUS$149 one-time (US$405 crossed out) S6644,282 icons: UI, Core, Sharp, Pixel, Micro Bold S661 seat S66
Core IconsUS$99 one-time S6619,128 icons S661 seat S66
UI IconsUS$99 one-time S6616,520 icons S661 seat S66
Sharp IconsUS$99 one-time S663,478 icons S661 seat S66
Pixel IconsUS$99 one-time S663,329 icons S661 seat S66
Micro Bold IconsUS$69 one-time S661,827 icons S661 seat S66
TeamUS$299/year billed yearly S66Shared icon projects and roles; Mac and Windows app S665 team seats shown S66

Competition

12

Competitive landscape

Domains competing for the same organic search demand.

Sampled competitors

CompetitorFirst-page appearancesSampled queriesAverage positionQueries observed
flaticon.com213credit card symbols
thenounproject.com215.5credit card symbols
support.stripe.com111credit card symbols
x.com112nucleo icon
emojipedia.org113credit card symbols
figma.com113nucleo icon
marcframe.framer.website114nucleo icon
coreui.io115nucleo icon
pinterest.com117credit card symbols
magnific.com118credit card symbols

Website intelligence — Collected evidence

Customers, testimonials, and first-party review claims

Page typeEvidenceSource
customers[Login](log-in)https://nucleoapp.com/customers
customers[Launch Web App](app)https://nucleoapp.com/customers
customersPage not foundhttps://nucleoapp.com/customers
customersWhile you're here: "Why did the icon go to therapy? Because it couldn’t find its path!"https://nucleoapp.com/customers
customersEnhance your icon workflow 10x with the Nucleo appshttps://nucleoapp.com/customers
customers[Web App](app)https://nucleoapp.com/customers
customers[Windows](downloads)https://nucleoapp.com/customers
customersCookie Compliancehttps://nucleoapp.com/customers
customersWe use cookies to give you the best possible website experience. [Learn more](privacy-policy).https://nucleoapp.com/customers
reviews[Login](log-in)https://nucleoapp.com/reviews
reviews[Launch Web App](app)https://nucleoapp.com/reviews
reviewsPage not foundhttps://nucleoapp.com/reviews
reviewsWhile you're here: "Why did the icon go to therapy? Because it couldn’t find its path!"https://nucleoapp.com/reviews
reviewsEnhance your icon workflow 10x with the Nucleo appshttps://nucleoapp.com/reviews
reviews[Web App](app)https://nucleoapp.com/reviews
reviews[Windows](downloads)https://nucleoapp.com/reviews
reviewsCookie Compliancehttps://nucleoapp.com/reviews
reviewsWe use cookies to give you the best possible website experience. [Learn more](privacy-policy).https://nucleoapp.com/reviews

Independent review sources discovered

No links to supported independent review platforms were discovered on the collected pages.

14

AI visibility

Measured ChatGPT and Google AI mentions with cited sources.

AI-assistant referral traffic

  • Estimated current generative-AI referral share: 1.0%
MonthSource
—All AI assistants

Website intelligence — Collected evidence

Site-stated AI capabilities

Page typeEvidenceSource
other40,000+ premium SVG icons, a [web app](application) to manage them, and [AI coding integrations](ai-integration) for designers and developers.https://nucleoapp.com/
integrationsAI Integrationhttps://nucleoapp.com/ai-integration
integrationsInstall the Nucleo MCP server and agent skills so your AI coding tool can search your licensed icon families, insert React or Vue components or SVGs, and customize icons, all from the chat.https://nucleoapp.com/ai-integration
integrationsWhat you can do #https://nucleoapp.com/ai-integration
integrationsOnce installed, ask your AI tool naturally. Typical requests:https://nucleoapp.com/ai-integration
integrationsCustomize icons (options depend on the family — see Icons customization)https://nucleoapp.com/ai-integration
integrationsInstall with the CLI #https://nucleoapp.com/ai-integration
integrationsLicensed and free icons #https://nucleoapp.com/ai-integration
integrationsSupported editors #https://nucleoapp.com/ai-integration

These are first-party product claims, not independent measurements of AI-search visibility.

15

Marketing opportunities

Actions calculated directly from the collected evidence.

OpportunityRecommended actionEvidence
Competitor gapReview the sampled queries where flaticon.com appears.2 first-page appearances across credit card symbols

Website intelligence — Collected evidence

Website evidence gaps

  • identity: no usable public page was collected; verify whether the site publishes this evidence.
  • technical: no usable public page was collected; verify whether the site publishes this evidence.

Trust and proof

16

Customers, proof, and reviews

Published proof, customer signals, and review evidence.

Independent reviews

PlatformPageHow it was foundNote
Product HuntNucleoApp: Icon Organizer & Icon Library / Product HuntGrounded web searchA premium library of 20000+ vector icons organized in 30 categories, and a powerful application to collect, customize and export all your icons in different formats such as SVG, icon fonts and JSON files. ... Based on 3 ... I've been using Nucleo for a couple of years now. Normally when you pay for something for life, they end up not supporting it. Nucleo has been really great. They continue to put out new updates with new icons, and their icons are decent quality. After the last update I figure
Position Is EverythingNucleo: review, pricing and alternatives · Position Is EverythingGrounded web searchNucleo combines a large icon collection with desktop, web, and AI-assisted workflows. Check the project license limits and Linux workaround before selecting a plan. ... - 44,282 icons available in the web app - Exports SVG, PNG, React, and Vue formats - AI integrations support icon search and insertion - Commercial use is allowed - Free icon families need no account ... - No native Linux application - Standard license limits icons per project - AI command-line setup requires Node.js 20+ - Paid p
macmyths.comNucleo: features, price and alternatives — MacMythsGrounded web searchNucleo offers a library of more than 40,000 premium SVG icons, a web app to manage them, and ... The beta MCP server and agent skills let AI coding tools search licensed icon families, insert React or Vue components or SVGs, and customize icons in chat.
techbloat.comNucleo: facts, pricing and alternatives — TechBloatGrounded web searcheditor support The documented CLI supports Cursor, AI modelCode, and Codex, and ... setup requires Node.js 20 or later. nucleoapp. ... - Developer packages Nucleo offers private React icon packages that require a license key, with essential packages
blog.vaexperience.comOne Icon Management App for All Platforms - Design Tool Tuesday - VAEXPERIENCEGrounded web searchThis week’s pick: Nucleo app for Windows and Mac ecosystems. This icon management app is previously mentioned Iconjar equivalent for Windows product and UI designers. Just like the alternative, Nucleo packs the custom icon pack management, ability to quickly get started with existing predefined icons and a few bits more. Check the video on what features were truly impressive that I thought would benefit any designer who works with iconography.

Customer proof

No named customers, testimonials, or customer case studies were found.

Independent mentions

External links were grounded in one live web search. Search snippets are leads, not independently scraped page content; rejected links remain available in Review evidence.

17

Company, security, and trust

Ownership, policies, security signals, and public trust evidence.

SignalFindingSource
Company and ownershipNot published on the collected pages.—
Contact and supportNot published on the collected pages.—
Legal and privacyNot published on the collected pages.—
Security and complianceNot published on the collected pages.—
Uptime and status pageNot published on the collected pages.—
Domain registered2014-11-28—
Domain expires2026-11-28—

Not found on the collected pages: company and ownership, contact and support, legal and privacy, security and compliance, uptime and status page. This only means Scout did not find it on the pages it read; it says nothing about the company itself.

18

Documentation and product updates

Help resources, product guidance, and visible changes over time.

Resource or updateTypeWhat is availableDate or freshness
TeamsDocumentationDocumentation is publicly available. (source)Not dated
How to suggest new app features and icons?GuidePublic tutorials and product guidance. (source)Not dated
Account & SettingsDocumentationDocumentation is publicly available. (source)Not dated
Customizing IconsDocumentationDocumentation is publicly available. (source)Not dated
Exporting IconsDocumentationDocumentation is publicly available. (source)Not dated
Importing IconsDocumentationDocumentation is publicly available. (source)Not dated
Organizing IconsDocumentationDocumentation is publicly available. (source)Not dated
Searching IconsDocumentationDocumentation is publicly available. (source)Not dated

Not found in the collected public sources: public roadmap, changelog or release notes, status page, separate help center or knowledge base.

Technical

19

Technical and delivery signals

Delivery model, platforms, API, data ownership, reliability claims and release activity.

SignalFindingSource
Delivery model (cloud, self-hosted, desktop, browser extension)Nucleo offers a web app and desktop apps for Mac and Windows S39 S66.S39 S66
Platforms and appsAvailable on Mac, Windows, and web S66 S39.S66 S39
API and extensibility (API, SDK, webhooks, MCP, plugins)Provides MCP server and agent skills for AI coding tools S68.S68
Data ownership and exportIcons can be exported as SVG, icon fonts, sprites, and symbols S7.S7
Performance and reliability claimsNot published on the collected pages.—
Release activityNew icons and package fixes are released, with update commands available S68.S68
20

Measured infrastructure

Domain, certificate, and hosting signals, measured directly.

SignalFinding
Domain registered2014-11-28 — GoDaddy.com, LLC
Domain expires2026-11-28
TLS certificateGoogle Trust Services, valid, expires 2026-12-06
Security headersnone served
Headers not servedHSTS, CSP, X-Content-Type-Options, X-Frame-Options, Referrer-Policy
Server headercloudflare
Mail handled bymail.nucleoapp.com
Nameserverssara.ns.cloudflare.com, noel.ns.cloudflare.com

Not measurable: wayback: rate limited by archive.org, ladder stopped after 1 probe(s). A gap here means the lookup was unavailable, not that the finding is negative.

21

Technical site audit

A bounded multi-page crawl with page-level issues and URLs.

Scout — Bounded technical crawl

  • Pages crawled: 15 of 15 maximum
  • Technical health: 97/100
  • Critical issues: 0
  • Warnings: 8
  • Notices: 5

Issues

SeverityIssueValueAffected URL
warningTitle length should be reviewed69https://nucleoapp.com/application
noticeMeta description length should be reviewed186https://nucleoapp.com/application
warningTitle length should be reviewed7https://nucleoapp.com/pricing
warningTitle length should be reviewed6https://nucleoapp.com/log-in
noticeMeta description length should be reviewed17https://nucleoapp.com/log-in
warningPage should have one primary H12https://nucleoapp.com/app/
warningMissing canonical URL—https://nucleoapp.com/app/
noticeMeta description length should be reviewed183https://nucleoapp.com/downloads
noticeLow visible word count142https://nucleoapp.com/downloads
warningTitle length should be reviewed66https://nucleoapp.com/native-application
noticeMeta description length should be reviewed325https://nucleoapp.com/teams
warningTitle length should be reviewed71https://nucleoapp.com/what-is-nucleo
warningMissing meta description—https://nucleoapp.com/updates

Crawled pages

StatusTitleH1sWordsResponseURL
200Nucleo – The Ultimate Icon Bundle1260274 mshttps://nucleoapp.com/
200Your next-level icon library \Nucleo1271142 ms
200Nucleo Web App – Browse, Copy & Customize 40,000+ SVG Icons Instantly1173154 mshttps://nucleoapp.com/application
200Nucleo AI Integration – MCP & Skills1664148 mshttps://nucleoapp.com/ai-integration
200Pricing1674568 mshttps://nucleoapp.com/pricing
200Log In1159140 mshttps://nucleoapp.com/log-in
200Web App \Nucleo2382171 ms
200Download Nucleo App for Mac & Windows1142151 mshttps://nucleoapp.com/downloads
200Nucleo For Mac/Windows – Icon Organizer for Designers & Developers1234127 mshttps://nucleoapp.com/native-application
200Nucleo React Icons – 40,000+ SVG Icons as React Components13065131 mshttps://nucleoapp.com/react-packages
200Nucleo for Teams1185115 mshttps://nucleoapp.com/teams
200What Is Nucleo? A Complete SVG Icon System for Designers and Developers11613123 mshttps://nucleoapp.com/what-is-nucleo
200Mac OS Updates1272138 mshttps://nucleoapp.com/updates
200Icon Transition Generator1332142 mshttps://nucleoapp.com/tool/icon-transition
200Free Icons1330123 mshttps://nucleoapp.com/free-icons

This is a bounded Scout crawl. Core Web Vitals and Lighthouse scores are not claimed unless a dedicated performance audit is connected.

22

Search Console and Analytics

First-party search and behavioral data connection state.

Modeled acquisition channels

ChannelEstimated share
direct46.3%
search34.3%
search organic33.7%
search paid0.6%
social9.3%
social organic8.7%
social paid0.5%
referrals6.4%
paid referrals2.7%
mail0.0%
gen ai1.0%
affiliate0.0%
other0.0%

First-party connections

IntegrationStatusData available after connection
Google Search ConsoleNot connectedClicks, impressions, CTR, average position, queries, pages, countries, and devices
Google AnalyticsNot connectedOrganic sessions, engagement, landing pages, conversions, geography, and devices

No first-party Search Console or Analytics numbers are shown until the site owner authorizes the corresponding Google account. Scout traffic model values above are modeled estimates, not private analytics totals.

Limits and method

23

Limitations and open questions

Known constraints and missing evidence from the collected pages.

The collected pages do not mention any competitors. Evidence gaps include lack of detailed security and compliance information, no uptime or status page details, and no independent customer reviews or case studies. Open questions remain about the exact scope of the AI integration's capabilities and the specifics of team plan limits beyond seat count.

24

Sources, method, and limitations

Evidence inventory, collection method, provider use, and constraints.

This report is based on 15 collected pages from nucleoapp.com, including documentation, pricing, and product pages. The evidence catalog includes 110 entries from static and browser rendering rendering. External proof search was performed but did not yield verified customer reviews or ratings. Limitations include potential missing details from pages not fully rendered and the absence of third-party verification for claims.

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