Software Alternatives, Accelerators & Startups

Kaspr VS Castle

Compare Kaspr VS Castle and see what are their differences

Kaspr logo Kaspr

Get access to your prospects’ phone numbers and email, instantly.

Castle logo Castle

The easiest way to protect your users from getting hacked
  • Kaspr Landing page
    Landing page //
    2023-07-03
  • Castle Landing page
    Landing page //
    2023-10-17

Kaspr videos

Find email addresses with Kaspr

Castle videos

Kingdom Come, Deliverance, CASTLE review

More videos:

  • Review - Castle TV Series Review
  • Review - What Really Went Wrong on Castle

Category Popularity

0-100% (relative to Kaspr and Castle)
Lead Generation
100 100%
0% 0
Security & Privacy
0 0%
100% 100
Email Verification API
100 100%
0% 0
Security
0 0%
100% 100

User comments

Share your experience with using Kaspr and Castle. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, Castle should be more popular than Kaspr. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Kaspr mentions (1)

  • GPDR notice I received from KASPR SAS - legit or some kind of phishing?
    ^This, the kaspr-privacy.io was registered 3 months ago whereas kaspr.io was registered 4 years ago. That's a tad shady as companies usually use subdomains and not new ones. Source: almost 2 years ago

Castle mentions (2)

  • If you need help with distrokid related issues inbox me i used to work for distrokid
    Tell me about the fingerprint, they using castle.io within segment.com ? Or something else? And what they watching? Source: about 1 year ago
  • Best practices for Two Factor Auth / 2FA in 2021?
    I use a combination of https://github.com/wmlele/devise-otp and https://castle.io/. Source: almost 3 years ago

What are some alternatives?

When comparing Kaspr and Castle, you can also consider the following products

Apollo.io - Apollo’s predictive prospecting, sales engagement, and actionable analytics help the teams to reach its full revenue potential.

StackPath - Secure Content Delivery Network, DDoS, WAF Service

Icypeas - This email finder has the capacity to bypass catch-alls

Pulse Secure - Pulse Secure provides a consolidated offering for access control, SSL VPN, and mobile device security. Contact Pulse Secure at 408-372-9600 to get a free demo.

Hunter - Find all the email addresses related to a domain

Flexera Software Vulnerability Manager - Flexera Software Vulnerability Manager provides solutions to continuously track, identify and remediate vulnerable applications.