Iterable vs Knock: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Iterable and Knock side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Iterable
Growth marketing platform for cross-channel campaigns
Best for you if:
- • You want AI-powered communication platform for personalized customer engagement
Knock
Customer engagement infrastructure for product-led growth, enabling cross-channel messaging and data activation.
Best for you if:
- • You want comprehensive cross-channel messaging capabilities
| At a Glance | Iterable | Knock |
|---|---|---|
Starts at | Not published | Free plan, paid from $250/user/mo, billed monthly Starter plan |
Category | Marketing Automation Email Marketing | Marketing Automation SMS Marketing |
Rating | 4.4/5 G2 4.4 · Capterra 4.3 887 reviews | 4.6/5 G2 4.6 148 reviews |
Free plan | n/a | Yes |
Watch out for | n/a | Overage fees apply for messages and users on Starter. |
Choose Iterable or Knock?
Choose Iterable if
- You want AI-powered communication platform for personalized customer engagement
- You want automated journeys increase purchase frequency and customer loyalty
Choose Knock if
- You want comprehensive cross-channel messaging capabilities
- You want strong developer-first approach with SDKs, CLI, and AI IDE integration
In-Depth Analysis
Iterable
Growth marketing platform for cross-channel campaigns
However, custom pricing often indicates a higher cost, likely positioning it as an expensive option compared to platforms with transparent, lower-tier pricing.
Strengths
- Pro: AI-powered communication platform for personalized customer engagement.
- Pro: Automated journeys increase purchase frequency and customer loyalty.
- Pro: Leverages real-time behavioral data to drive engagement and email click rates.
- Pro: Accelerates upsell opportunities across multiple channels.
- Pro: Seamless integrations with a wide range of marketing and data platforms (e.g., AWS SES, Segment, Snowflake, Mixpanel, Facebook Custom Audiences).
Weaknesses
- Con: Requires company email for demo requests, which might deter some users.
- Con: The platform's advanced features and integrations might have a steep learning curve for new users.
- Con: Specific pricing information is not readily available, requiring direct contact for details.
Key features
Knock
Customer engagement infrastructure for product-led growth, enabling cross-channel messaging and data activation.
Knock's pricing is quite generous, especially with its Developer tier offering 10K messages and 500 active users for free.
Watch out
Overage fees apply for messages and users on Starter.
Strengths
- Pro: Comprehensive cross-channel messaging capabilities
- Pro: Strong developer-first approach with SDKs, CLI, and AI IDE integration
- Pro: Robust data integration and personalization features
- Pro: High scalability and reliability (99.99% uptime, handles hundreds of millions of messages)
- Pro: Compliance with HIPAA, SOC2, GDPR, CCPA
Weaknesses
- Con: Pricing for higher volumes can become significant with per-message/user costs
- Con: Enterprise features like advanced security and support require custom quotes
- Con: Requires technical integration for full utilization of developer tools
Key features
Plans and prices: Iterable vs Knock
| Tool | Plans and prices | Source |
|---|---|---|
| Iterable |
| iterable.com read Sep 29, 2026 |
| Knock |
| knock.app/pricing read Nov 1, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Iterable pricing and Knock pricing.
Key Takeaways
Iterable
- Choose if you want growth marketing platform for cross-channel campaigns
Knock
- Choose if you want customer engagement infrastructure for product-led growth, enabling cross-channel messaging and data activation
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- User ratings are within 0.2 points (4.4/5 from 887 reviews for Iterable, 4.6/5 from 148 reviews for Knock).
- Knock starts at $250/user/mo, billed monthly; Iterable has no public paid plan price on file.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Iterable and Knock compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. User ratings are within 0.2 points (4.4/5 from 887 reviews for Iterable, 4.6/5 from 148 reviews for Knock). Knock starts at $250/user/mo, billed monthly; Iterable has no public paid plan price on file.
What are Iterable and Knock used for?
Iterable: Growth marketing platform for cross-channel campaigns. Knock: Customer engagement infrastructure for product-led growth, enabling cross-channel messaging and data activation.
What does Iterable cost vs Knock?
Iterable has no public paid-plan price on file. Knock's cheapest paid plan is Starter at $250/user/mo, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Nov 1, 2026.
What's the main difference between Iterable and Knock?
Iterable's main strength: AI-powered communication platform for personalized customer engagement. Knock's main strength: comprehensive cross-channel messaging capabilities.