Twilio vs Knock(2026)
Twilio is better for teams that need market leader for sms/voice. Knock is the stronger choice if best-in-class notification workflows. Twilio is paid (from $0.0079/SMS) and Knock is freemium (from $100/month).
Full feature breakdown, pricing details, and pros & cons below.
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Twilio
Twilio provides programmable SMS, voice calls, video, and email APIs used by 280,000+ businesses.
Starting at $0.0079/SMS
Visit TwilioKnock
Knock is a notification delivery platform for product teams to build and manage complex notification workflows across channels.
Starting at $100/month
Visit KnockHow Do Twilio and Knock Compare on Features?
| Feature | Twilio | Knock |
|---|---|---|
| Pricing model | paid | freemium |
| Starting price | $0.0079/SMS | $100/month |
| SMS API | ✓ | — |
| Voice calls | ✓ | — |
| WhatsApp API | ✓ | — |
| Verify (OTP) | ✓ | — |
| SendGrid (email) | ✓ | — |
| Segment (data) | ✓ | — |
| Multi-channel workflows | — | ✓ |
| In-app feeds | — | ✓ |
| Digest notifications | — | ✓ |
| Preferences API | — | ✓ |
| Template management | — | ✓ |
| Real-time delivery | — | ✓ |
Twilio Pros and Cons vs Knock
Twilio
Knock
Should You Use Twilio or Knock?
Choose Twilio if…
- •Market leader for SMS/voice
- •Excellent documentation
- •Global reach (180+ countries)
Choose Knock if…
- •Best-in-class notification workflows
- •In-app notification component
- •User preferences built-in