Dev tools · alternatives · 2026

24 alternatives to Groot

Open-source spam call blocking for iOS

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1
RoboStopper▲70
Block spam calls or get paid for them wasting your time
2019 · robostopper.app · its alternatives →
2
stonewall call blocker▲67
easily block calls, contacts or contact groups on iOS
2018 · its alternatives →
3
Callblock▲204
The first app to block telemarketers automatically in iOS
2017 · callblockapp.com · its alternatives →
4
Owly▲108
An AI powered iOS mobile app that blocks spam messages
2024 · apps.apple.com · its alternatives →
5
RoboKiller▲85
The app that stops spam calls forever
2019 · robokiller.com · its alternatives →
6
Firewall – Extreme Robocall Blocker▲16
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 →
7
Call Control▲60
Crowdsourced phone spam blocking and reporting (Android)
2014 · play.google.com · its alternatives →
8
MyHumans: Spam Call Blocker▲69
Stop 100% of spam calls
2019 · its alternatives →
9
RoboCash▲72
Get paid to block spam calls
2020 · its alternatives →
10
Livecaller▲214
Caller ID that works. Now for iOS.
2025 · livecallerid.com · its alternatives →
11CS
CallStop – Superhuman for your phone number▲91
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 →
12
Hiya▲86
Know who's calling or texting and block spammers on Android
2016 · hiya.com · its alternatives →
13
MadBlocker — iOS 8 Ad and Tracking Script Blocker▲44
The latest macOS offers the world’s best way to play — and add to — your collection of music, movies, TV shows, podcasts, audiobooks, and more.
2015 · itunes.apple.com · its alternatives →
14
Contacts Only▲66
Block all calls not in contacts 🤚
2019 · play.google.com · its alternatives →
15
Blocky - iOS SMS Filter▲7
100% Offline & Private
2022 · apps.apple.com · its alternatives →
16
Castle▲115
Free your phone from spam calls 🤖
2018 · apps.apple.com · its alternatives →
17
AdGuard for iOS Pro 2.0▲102
Ultimate iOS system-wide ad blocking and privacy protection
2018 · adguard.com · its alternatives →
18
SMS Junk Filter for iOS▲102
Block unwanted SMS spam text messages
2017 · apps.apple.com · its alternatives →
19
Shield One▲4
Offline spam call blocker for Android. No tracking, no ads.
Mar 2026 · play.google.com · its alternatives →
20
Nomorobo▲100
Block annoying robocallers & telemarketers
2014 · nomorobo.com · its alternatives →
21
Magic Lasso Adblock 3.0▲87
Block ads and trackers in your Apple TV's streaming apps
2021 · magiclasso.co · its alternatives →
22
SudoApp▲127
The 100% private, unlimited messaging and calling app.
2016 · anonyome.com · its alternatives →
23
Defeating Spam Callers with Speech Recognition and Call Forwarding▲10
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 →
24
Caller ID & Call Blocker Free▲5
Caller id, block spam calls & SMS, fake call
2016 · play.google.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 →