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Castle
User Behavior · 47.6K monthly visits

Castle is an AI-powered fraud and abuse prevention platform that protects online businesses from bots, account takeovers (ATO), and other malicious activities. It offers a dual-layer defense system, operating at both the edge and in-app, to provide real-time, developer-friendly security without disrupting the user experience.

VS
Roundtable
Authentication · 16.4K monthly visits

Roundtable is an AI-powered security platform that offers an invisible, privacy-first alternative to CAPTCHA. It uses continuous behavioral AI to detect and block bots and fraudulent activity in real-time, ensuring seamless user experience and robust data integrity without intrusive challenges.

Castle vs Roundtable: pricing, features, traffic, and use cases

Compare Castle and Roundtable across positioning, pricing, traffic, and user feedback using structured factual data.

Updated Aug 5, 2026

Product overview

Castle Product overview

Castle is an AI-powered fraud and abuse prevention platform that protects online businesses from bots, account takeovers (ATO), and other malicious activities. It offers a dual-layer defense system, operating at both the edge and in-app, to provide real-time, developer-friendly security without disrupting the user experience.

Preview

Roundtable Product overview

Roundtable is an AI-powered security platform that offers an invisible, privacy-first alternative to CAPTCHA. It uses continuous behavioral AI to detect and block bots and fraudulent activity in real-time, ensuring seamless user experience and robust data integrity without intrusive challenges.

Preview

Detailed feature comparison

FeatureCastleRoundtable
Primary categoryUser BehaviorAuthentication
Added2025-08-042025-08-07
PricingFreemiumPaid
Official websitecastle.ioroundtable.ai
Product typeWebsiteWebsite
Performance data
User ratingNot verifiedNot verified
Comments00
Monthly visits47.6K16.4K
Monthly growth-9.7%8.9%
Favorites11889
DetailsView detailsView details

Castle vs Roundtable monthly traffic

Compare Castle and Roundtable by monthly reach, traffic trend, visit depth, top regions, and acquisition sources.

How to interpret the traffic data

In the Castle vs Roundtable monthly traffic comparison, Castle currently shows 47.6K visits and Roundtable shows 16.4K; Castle has about 2.9 times the visible traffic of Roundtable, an absolute difference of about 31.2K visits. This reflects visible reach, not feature quality or paid users.

Both tools provide verified traffic details, so monthly trends, visit depth, regions, and acquisition sources can be compared on the same basis.

Castle monthly traffic:

Latest traffic

Monthly visits
47.6K
Avg. visit duration
0:35
Pages per visit
1.82
Bounce rate
44%
Data updated 2026-06-15

Monthly traffic trend

  • 2025/9: 52.2K Monthly visits
  • 2026/1: 75K Monthly visits
  • 2026/2: 48.7K Monthly visits
  • 2026/3: 51.2K Monthly visits
  • 2026/4: 52.8K Monthly visits
  • 2026/5: 47.6K Monthly visits

Top regions

Top 5 countries/regions
Country/regionPercentageTraffic
🇮🇳India67.01%31.9K
🇺🇸United States14.31%6.8K
🇻🇳Vietnam8.77%4.2K
🇷🇺Russia5.98%2.8K
🇵🇰Pakistan3.93%1.9K

Traffic sources

Source typePercentageTraffic
Direct82.93%39.5K
Referral9.95%4.7K
Email7.12%3.4K

Search keywords

castlecastle appcastle app logincastle logincastle web

Roundtable monthly traffic:

Latest traffic

Monthly visits
16.4K
Avg. visit duration
3:22
Pages per visit
3.96
Bounce rate
44.31%
Data updated 2026-06-15

Monthly traffic trend

  • 2025/9: 15.2K Monthly visits
  • 2026/1: 14.5K Monthly visits
  • 2026/2: 10K Monthly visits
  • 2026/3: 10.4K Monthly visits
  • 2026/4: 15K Monthly visits
  • 2026/5: 16.4K Monthly visits

Top regions

Top 5 countries/regions
Country/regionPercentageTraffic
🇺🇸United States81.31%13.3K
🇮🇳India7.54%1.2K
🇩🇪Germany5.41%886
🇬🇧United Kingdom2.9%475
🇨🇭Switzerland2.84%465

Traffic sources

Source typePercentageTraffic
Direct95.07%15.6K
Referral3.27%536
Email1.66%272

Search keywords

ai roundtableroundtable airoundtable ai proof of humanroundtable captcharoundtable.ia
Traffic-based selection guidance: If public market visibility is an important first-pass criterion, investigate Castle first. The final choice should still follow taxonomy, use case, and a real trial because higher traffic does not prove broader capabilities or better workflow fit.

Usage comparison

Compare the core capabilities of Castle and Roundtable

Castle Core features

Fraud Detection
User Behavior
Api

Roundtable Core features

Fraud Detection
Authentication
Data Collection

Use cases

Castle Use cases

bot detection
cybersecurity
fraud prevention
security
user authentication
account takeover
anti-fraud
API
ATO
developer tools
risk management

Roundtable Use cases

bot detection
cybersecurity
fraud prevention
security
user authentication
account takeover protection
AI detection
behavioral analysis
CAPTCHA alternative
data integrity

Castle vs Roundtable:In-depth comparison and selection guidance

First decide whether the products solve the same kind of need

This in-depth Castle vs Roundtable comparison uses only the product records, taxonomy, audience, traffic, and community signals available on this page. Castle is primarily listed under “User Behavior”, while Roundtable is primarily listed under “Authentication”, so the first decision is whether your actual task matches their recorded scope.

The structured fields currently show these decision-relevant differences: Primary category (Castle: User Behavior; Roundtable: Authentication); Pricing (Castle: Freemium; Roundtable: Paid); Monthly visits (Castle: 47.6K; Roundtable: 16.4K); Monthly growth (Castle: -9.7%; Roundtable: 8.9%); Favorites (Castle: 118; Roundtable: 89). These facts are more useful for selection than brand visibility alone.

What market visibility and monthly traffic mean

In the Castle vs Roundtable monthly traffic comparison, Castle currently shows 47.6K visits and Roundtable shows 16.4K; Castle has about 2.9 times the visible traffic of Roundtable, an absolute difference of about 31.2K visits. This reflects visible reach, not feature quality or paid users.

Both tools provide verified traffic details, so monthly trends, visit depth, regions, and acquisition sources can be compared on the same basis.

If public market visibility is an important first-pass criterion, investigate Castle first. The final choice should still follow taxonomy, use case, and a real trial because higher traffic does not prove broader capabilities or better workflow fit.

Product positioning, use cases, and roles

Castle and Roundtable currently overlap in shared categories: Fraud Detection; shared tags: bot detection, cybersecurity, fraud prevention, security, and user authentication. This can place both on the same shortlist, but it does not prove equal implementation, depth, or cost.

Castle's unique categories/tags are User Behavior, Api, account takeover, anti-fraud, API, ATO, developer tools, and risk management; Roundtable's are Authentication, Data Collection, account takeover protection, AI detection, behavioral analysis, CAPTCHA alternative, and data integrity. These unique fields are the strongest differentiators: validate the product whose recorded scope matches the task instead of following traffic alone.

What ratings, comments, and favorites can tell you

Castle has no verified rating, 0 comments, 118 favorites, and 103 likes;Roundtable has no verified rating, 0 comments, 89 favorites, and 86 likes。

Neither product has enough rating or comment samples for a credible reputation ranking.

Selection guidance by actual need

When to evaluate Castle first

Put Castle on the priority trial list when the task aligns with “User Behavior” and especially User Behavior, Api, account takeover, anti-fraud, API, and ATO. This follows recorded positioning and does not imply unlisted capabilities are absent.

Castle also currently records: pricing is freemium, product type is website, 47.6K verified monthly visits, no verified user rating. Verify any hard requirement around price, platform, or reach before trial, and do not let sparse review data substitute for testing.

When to evaluate Roundtable first

Put Roundtable on the priority trial list when the task aligns with “Authentication” and especially Authentication, Data Collection, account takeover protection, AI detection, behavioral analysis, and CAPTCHA alternative. This follows recorded positioning and does not imply unlisted capabilities are absent.

Roundtable also currently records: pricing is paid, product type is website, 16.4K verified monthly visits, no verified user rating. Verify any hard requirement around price, platform, or reach before trial, and do not let sparse review data substitute for testing.

How to validate the recommendation before deciding

The available data describes positioning, public visibility, and community signals, but it cannot prove output quality, speed, integration effort, privacy, or long-term cost in your workflow. Before deciding, run the same representative tasks in Castle and Roundtable, then record completion time, accuracy, manual corrections, and the real paid threshold. A like-for-like trial turns this comparison into a defensible adoption decision.

Comparison FAQ

How should I choose between Castle and Roundtable?
Compare positioning, pricing, taxonomy, and traffic maturity, then verify the latest details on each official website.
Where does this comparison data come from?
The factual baseline is derived from product, taxonomy, traffic, and community data. Reviewed editorial conclusions show their source and verification date.
What do unknown fields mean?
Unknown means there is not enough reliable evidence; the page does not fill gaps with assumptions.