Alternatives

Products that do what Shield One does

Offline spam call blocker for Android. No tracking, no ads.

1
Inbox Shield by Leave Me Alone▲441
An email screener that works with any email account
2022
2
SMS Shield▲112
Machine Learning-based SMS spam filter for iOS 11
2017
3
RoboStopper▲70
Block spam calls or get paid for them wasting your time
2019
4
Shieldy▲126
A zero-config Telegram bot that fights spam in chats
2018
5
RoboCash▲72
Get paid to block spam calls
2020
6
MyHumans: Spam Call Blocker▲69
Stop 100% of spam calls
2019
7
Dasha Assistant▲154
Stop every spam call, no matter who is calling
2020
8
Hiya▲86
Know who's calling or texting and block spammers on Android
2016
9
Pepper▲114
Block robocalls before they ring your phone ❌🤖
2019
10CS
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
11
Callblock▲204
The first app to block telemarketers automatically in iOS
2017
12
RoboKiller▲85
The app that stops spam calls forever
2019
13
Block Guard: Spam Call Blocker
Block unwanted calls and filter suspicious texts on Android
May 2026 · play.google.com
14
Castle▲115
Free your phone from spam calls 🤖
2018
15
Bouncer Shield▲85
Real-time form protection against bad emails
2024
16
AdGuard 3.0 for Android▲75
The most powerful Android ad blocker
2019
17
Groot▲8
Open-source spam call blocking for iOS
Feb 2026
18
Nope 2.0▲116
Magnetic privacy shield for desktops,laptops & mobile phones
2016
19
Callro▲1
Privacy-first Android spam call blocker
8d ago · getcallro.com
20
DuckDuckGo App Tracking Protection▲156
The easy way to block trackers lurking in your Android apps
2023
21
NoPhone▲178
This thing won't let you use your phone.
2018
22
Project Shield▲95
Protecting free expression from digital attacks
2022
23
BlockBear▲147
Block ads and protect your privacy on iOS with a bear
2015
24
ShieldDNS▲2
Block ads and unwanted connections on Android without root
May 2026 · shielddns.us

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