# Knock alternatives: what AI models name instead, October 2026

GTM AI Recommendation Index, October 2026 Edition. 239 of the 252 answers in the 1 category where Knock holds a standing named it neither first nor as an alternative; these are the first choices those answers made. Page: https://gtm-ai-index.com/vendors/knock/alternatives/

## Named instead, most often (every category and segment added)

- Intercom: 33
- OneSignal: 28
- Braze: 15
- Crisp: 9
- Pendo: 8
- Userpilot: 8

## In-app messaging and customer communications

**Small business**: 81 of 84 answers did not name Knock.

- OneSignal: first choice in 17 of those 81
- Intercom: first choice in 12 of those 81
- Crisp: first choice in 6 of those 81
- Gleap: first choice in 4 of those 81
- Product Fruits: first choice in 4 of those 81
- Slack: first choice in 4 of those 81
- CometChat: first choice in 2 of those 81
- Customer.io: first choice in 2 of those 81

**Mid-market**: 79 of 84 answers did not name Knock (Knock is #6 of 15 at 3%).

- Intercom: first choice in 15 of those 79
- OneSignal: first choice in 11 of those 79
- Userpilot: first choice in 8 of those 79
- Signal: first choice in 7 of those 79
- Appcues: first choice in 4 of those 79
- Crisp: first choice in 3 of those 79
- Firebase In-App Messaging: first choice in 3 of those 79
- Braze: first choice in 2 of those 79

**Enterprise**: 79 of 84 answers did not name Knock.

- Braze: first choice in 13 of those 79
- Pendo: first choice in 8 of those 79
- Intercom: first choice in 6 of those 79
- Sendbird: first choice in 6 of those 79
- Salesforce Service Cloud: first choice in 3 of those 79
- Stream Chat: first choice in 3 of those 79
- Wire: first choice in 3 of those 79
- CometChat: first choice in 2 of those 79

Published under CC BY 4.0. The output is the models' output; nothing here is a recommendation by the index.