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Knock

Customer engagement infrastructure for product-led growth

★★★★★ 5.0/5
FactScore™ 30.1
VS

Markopolo AI

Reach 30–40% more customers with personal outreach at scale

★★★★★ 5.0/5
FactScore™ 55.7

Updated February 2026

Knock Markopolo AI
Rating 5.0★ 5.0★
Reviews 3 12
Pros 13 11
FactScore™ 30.1 55.7

FactScore™ Comparison

FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.

30.1
Knock FactScore™
👑
55.7
Markopolo AI FactScore™
★ Markopolo AI wins on FactScore™

Pros & Cons

Only in Knock — Pros

Cancelling notifications Complex notification workflows Developer first platform Easy-to-use API Excellent documentation GUI for notification flows In-app notification feed Out-of-the-box integrations Reliable Responsive support Scheduling notifications Smooth workflow Templating

Both tools — Pros

—

Only in Markopolo AI — Pros

Analytics Ad account audit Ad automation Customer support Feature updates ROI maximization User friendly Agentic sales Autonomous go-to-market (gtm) sales Retention engine Social media management

Only in Knock — Cons

Lack of automated testing support Lack of declarative workflow definition

Both tools — Cons

—

Only in Markopolo AI — Cons

Inaccurate Google data Slow Google data

Details

Knock Markopolo AI
Categories Email marketing, Marketing automation platforms, Unified API, AI Infrastructure Tools Email marketing, AI sales tools, AI SDR
Platforms Web Web
Became Popular March 17, 2022 June 25, 2021
Website knock.link www.markopolo.ai

Who Should Pick Which?

Choose Knock if...

  • Cancelling notifications
  • Complex notification workflows
  • Developer first platform

Choose Markopolo AI if...

  • Analytics
  • Ad account audit
  • Ad automation

With a FactScore™ of 30.1 vs 55.7, Markopolo AI leads in community reception. Knock uniquely offers Cancelling notifications and Complex notification workflows, while Markopolo AI stands out for Analytics and Ad account audit.

3

What Users Say

Knock

V
Van Mar 17, 2022
★★★★★

Knock is a very easy-to-use API that makes adding all sorts of user notifications to your application a breeze. The GUI for adding notification flows is nicely designed and the documentation is wel...

I
Ilya Mar 17, 2022
★★★★★

I've been using Knock while it was in beta for a few months now, and was actually very impressed! Implementing notifications from scratch can be very difficult, and I was pleasantly surprised by ho...

A
Andrew Mar 17, 2022
★★★★★

Been using Knock for the past few months in their closed beta for SwayDM. It's been so easy to make changes to some of our more complex notification workflows. It really is a developer first platfo...

Markopolo AI

M
Maksim Sep 28, 2023
★★★★★

Congrats on the launch! Making ad campaigns smarter and preempting potential issues is where the real magic happens. This seems like a tool that not only identifies the gaps but actively bridges th...

Frequently Asked Questions

Which is better, Knock or Markopolo AI?

Based on FactScore™, Markopolo AI leads with a score of 55.7 vs 30.1. Markopolo AI has a higher rating of 5.0★ compared to 5.0★.

What are the pros of Knock compared to Markopolo AI?

Knock uniquely offers: Cancelling notifications, Complex notification workflows, Developer first platform, Easy-to-use API, Excellent documentation.

What are the pros of Markopolo AI compared to Knock?

Markopolo AI uniquely offers: Analytics, Ad account audit, Ad automation, Customer support, Feature updates.

Is Knock better rated than Markopolo AI?

Knock is rated 5.0★ from 3 reviews. Markopolo AI is rated 5.0★ from 12 reviews.

What is the FactScore™ of Knock and Markopolo AI?

FactScore™ weighs rating and review volume together. Knock scores 30.1 and Markopolo AI scores 55.7.

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