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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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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Pepper▲114Block robocalls before they ring your phone ❌🤖
2019 · callpepper.co · its alternatives →
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Contacts Only▲66Block all calls not in contacts 🤚
2019 · play.google.com · its alternatives →
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RoboStopperâ–˛70Block spam calls or get paid for them wasting your time
2019 · robostopper.app · its alternatives →
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Callblockâ–˛204The first app to block telemarketers automatically in iOS
2017 · callblockapp.com · its alternatives →
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easily block calls, contacts or contact groups on iOS
2018 · its alternatives →
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Download Firewall - Spam Call Blocker by Ad Hoc Labs, Inc on the App Store. See screenshots, ratings and reviews, user tips, and more apps like Firewall - Spam…
2019 · apps.apple.com · its alternatives →
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Callthenticâ–˛64Intelligent prevention of spam calls on iOS.
2020 · apps.apple.com · its alternatives →
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Automaticallâ–˛152Forward spam callers to an AI and waste their time
2025 · automaticall.io · its alternatives →
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Dasha Assistantâ–˛154Stop every spam call, no matter who is calling
2020 · dasha.ai · its alternatives →
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Nomoroboâ–˛100Block annoying robocallers & telemarketers
2014 · nomorobo.com · its alternatives →
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Accept Whitelist Requests + PINs From Any Number To Call You
2019 · callstop.com · its alternatives →
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Owlyâ–˛108An AI powered iOS mobile app that blocks spam messages
2024 · apps.apple.com · its alternatives →
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Every day at 11:00 AM my iPhone rings. With the “seamless” “magic” of Apple’s Continuity, the ringing quickly spreads to my personal MacBook, work MacBook, iPad, and Apple Watch. “This is your last warning regarding your car insurance…” I don’t own a car. I wouldn’t mind
2017 · andrewchidden.com · its alternatives →
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MUTEâ–˛3Block contact form spam. No CAPTCHA, one line of code.
Apr 2026 · mute-it.com · 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 →