Tailwind UI vs Knock
Beautifully designed components + templates by the Tailwind CSS team
vs. Notifications-as-a-service: in-app feeds, email, push, SMS, chat via one API
Pricing tiers
Tailwind UI
Components (one-time)
$299 one-time. Full access to all components (500+). Forever updates. 1 developer.
$299/mo
Team (one-time)
$799 one-time. 25 team members. All components. Forever updates.
$799/mo
All-Access (one-time)
$1,499 one-time. Components + all templates (Catalyst, Studio, Protocol, Syntax, Spotlight, etc.). 25 developers. Forever updates.
$1499/mo
Knock
Developer
Free forever. 10K messages, 500 guide users, 500 AI credits/month.
$0 base (usage-based)
Starter
$250/mo. 50K messages, 2.5K guide users, 2K AI credits. Remove branding.
$250/mo
Enterprise
Custom pricing. White-label, i18n, data warehouse, Datadog, SCIM, SAML, HIPAA/BAA.
Custom
Free-tier quotas head-to-head
Comparing components on Tailwind UI vs starter on Knock.
| Metric | Tailwind UI | Knock |
|---|---|---|
| guide users | — | 2500 users |
| guide users overage | — | $0.05/user USD/user |
| messages monthly | — | 50000 messages/mo |
| messages overage | — | $0.005/message USD/message |
Features
Tailwind UI · 17 features
- 500+ Components — Pre-built components for marketing, apps, ecommerce.
- Application UI — Shells, navigation, forms, tables, modals.
- Catalyst Template — Opinionated app UI kit for React.
- Commit Template — Open-source project site.
- Ecommerce Components — Product grids, carts, checkout flows.
- Figma Component Library — All components as Figma components.
- Forever Updates — Ongoing additions & improvements at no extra cost.
- Headless UI — Unstyled accessible primitives — free OSS complement.
- HTML + Alpine.js — Vanilla HTML with Alpine for interactivity.
- Marketing Sections — Hero, pricing, testimonials, FAQs, CTAs.
- Protocol Template — API docs template.
- React Variants — Every component in React + JSX.
- Spotlight Template — Personal website template.
- Studio Template — Agency website template.
- Syntax Template — Technical docs template.
- Transmit Template — Podcast site template.
- Vue 3 Variants — Every component in Vue 3 + <script setup>.
Knock · 13 features
- AI Agents — Autonomous notification drafting & workflow generation.
- Batch + Digest — Group notifications into digests on schedule or window.
- Chat — Slack, Microsoft Teams, Discord.
- Email — Send via SendGrid/Postmark/Resend/Mailgun/AWS SES as relays.
- Guides — In-product messaging, announcements, modals, banners.
- i18n / Localization — Translate templates by user locale.
- In-App Feed — Notification inbox with React/Vue/iOS/Android drop-in components.
- Multi-tenancy — Per-tenant branding, preferences, quiet hours.
- Outbound Webhooks — Subscribe to delivery events.
- Preferences — User + tenant preference center with granular controls.
- Push — iOS (APNs), Android (FCM), Expo, Web Push.
- SMS — Twilio, MessageBird, Telnyx, Vonage as providers.
- Workflows — Visual notification orchestration (branch, batch, delay, throttle).
Developer interfaces
| Kind | Tailwind UI | Knock |
|---|---|---|
| CLI | — | Knock CLI |
| SDK | — | knockapi (Python), knockapi (Ruby), knock-elixir, knock-go, knock-java, @knocklabs/node, @knocklabs/react |
| REST | — | Knock REST API |
| MCP | — | Knock MCP Server |
| OTHER | Copy-paste Components, Figma Library, HTML + Alpine Components, React Components, Tailwind UI Dashboard, Vue Components | Outbound Webhooks |
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