Work · alternatives · 2026
24 alternatives to Castle
Free your phone from spam calls 🤖
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Castle launched in 2018; newer entries below may have overtaken it.
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- 2CS
Robocalls and unwanted calls are one of the biggest hassles these days. Over 50% of phone traffic is spam. I'm the founder of CallStop: https://apps.apple.com/us/app/callstop/id1455892856 CallStop allows you to: - Block 100% of robocalls on your current number, using your contacts as a whitelist - Effortlessly email call invites to an any email (that can be joined in one tap, the PIN is embedded), where the recipient can only call you starting 5 minutes before the meeting start and up until 5 minutes after the meeting end - Pause call filtering and have it…
2020 · its alternatives →
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easily block calls, contacts or contact groups on iOS
2018 · its alternatives →
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Automaticall▲152Forward spam callers to an AI and waste their time
2025 · automaticall.io · its alternatives →
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MUTE▲3Block contact form spam. No CAPTCHA, one line of code.
Apr 2026 · mute-it.com · its alternatives →
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Accept Whitelist Requests + PINs From Any Number To Call You
2019 · its alternatives →
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- 22FE
2019 · apps.apple.com · its alternatives →
- 23
Say goodbye to spam calls and hello to real peace.
Nov 2025 · play.google.com · its alternatives →
- 24
Prevent people from putting fake data into your web forms
2024 · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →