Chakra UI vs Knock
Simple, modular, and accessible React component library
vs. Notifications-as-a-service: in-app feeds, email, push, SMS, chat via one API
Pricing tiers
Chakra UI
OSS (MIT)
$0. MIT license. All core components free forever.
$0 base (usage-based)
Chakra UI Pro
$149 one-time. 380+ pre-built Pro components (figma + code). For commercial projects.
$149/mo
Pro Team
$449 one-time. Pro components + team license (10 devs).
$449/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 oss on Chakra UI vs starter on Knock.
| Metric | Chakra 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
Chakra UI · 15 features
- 70+ Components — Button, Input, Modal, Menu, Table, etc.
- Accessibility — WAI-ARIA compliant.
- Animations — Framer Motion under the hood.
- Ark UI (v3) — Headless primitives layer.
- Chakra UI Pro — Paid premium components library.
- Dark Mode — Built-in color mode.
- Data Display — Table, Card, List, Stat, Tag.
- Figma Library — Matching design file (Pro).
- Form Components — Input, Select, Checkbox, Slider.
- Layout Components — Box, Flex, Grid, Stack, Wrap.
- Overlays — Modal, Drawer, Popover, Tooltip.
- Panda CSS (v3) — Build-time atomic CSS engine.
- Recipes (v3) — Variant-based component styling.
- Responsive Props — Object/array syntax.
- Theme Tokens — Colors, spacing, typography as tokens.
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 | Chakra UI | Knock |
|---|---|---|
| CLI | @chakra-ui/cli | Knock CLI |
| SDK | @chakra-ui/react | knockapi (Python), knockapi (Ruby), knock-elixir, knock-go, knock-java, @knocklabs/node, @knocklabs/react |
| REST | — | Knock REST API |
| MCP | — | Knock MCP Server |
| OTHER | Chakra UI Docs, Chakra UI Figma, Chakra UI Pro | Outbound Webhooks |
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