
Pulse Secure
Flexera Software Vulnerability Manager
Tor Browser
StackPath
Avast
OneLogin
AuthAnvil
The easiest way to protect your users from getting hacked

GetFeedback
Decode customer feedback and build what matters

Which is more popular?
Based on our record, Castle seems to be more popular. It has been mentioned 4 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | castle.io | feeedback.dev |
| Pricing | — | |
| Company | — | Startup from France · 2024 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Castle yet.
Decode customer Feeedback and build what matters ! Understanding your customers is the key to growth, but collecting and analyzing feedback can be overwhelming. Feeedback is your AI-powered solution to gather real-time user reviews, track churn, and uncover actionable insights to shape the future...
What each product offers, as listed by its team.


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An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
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Walkthroughs and reviews on video.
Kingdom Come, Deliverance, CASTLE review
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Castle and Feeedback.dev. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


This (agent detection) is now a kind of emerging space. Obviously it'll get much more important, too. Other products in the space: - Foil (https://usefoil.com/), I'm biased, a friend is building this - Kasada https://www.kasada.io/ -... - Source: Hacker News / 2 months ago
Castle (https://castle.io) | Senior ML Engineer | Senior R&D Detection Engineer | REMOTE (Europe/EMEA) | Full-time Hi HN! I’m Antoine, Head of Research at Castle. We’re a YC-backed Series A startup helping companies like Canva,... - Source: Hacker News / over 1 year ago
Tell me about the fingerprint, they using castle.io within segment.com ? Or something else? And what they watching? Source: over 3 years ago
Tracking Feeedback.dev since Feb 2025.
When comparing Castle and Feeedback.dev, you can also consider the following products.

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Online survey software that allows anyone to create engaging surveys that display perfectly on smartphones, tablets, and browsers. View your results in real-time. Who said online surveys can’t be fun?
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Flexera Software Vulnerability Manager provides solutions to continuously track, identify and remediate vulnerable applications.
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Tor is free software for enabling anonymous communication.
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Secure Content Delivery Network, DDoS, WAF Service
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