| Website | knock.app |
| Category | Notifications |
| License | Proprietary |
| Pricing | Usage-based plans with a free tier and paid tiers based on notification volume and features. |
Overview
Knock helps product teams build, route, and manage notifications across email, SMS, push, and in-app channels.
Pros
- Unified notification API
- Strong developer ergonomics
- Built-in preference management
- Good multi-channel routing
- Scalable for product-led apps
Cons
- May be overkill for simple apps
- Depends on hosted service
- Less transparent than DIY setup
- Can add vendor lock-in
Verdict
Knock excels at centralizing complex notification logic for product teams. Use it when you need reliable multi-channel messaging without building your own infrastructure. The trade-off is added dependency versus simpler direct-provider setups.
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