Life & fun · alternatives · 2026

24 alternatives to kalleo

mobile app that protects you from robocallers and spammers.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. kalleo launched in 2018; newer entries below may have overtaken it.

1. 1
   RoboKiller▲85

   The app that stops spam calls forever

   2019 · its alternatives →

2. 2
   Pepper▲114

   Block robocalls before they ring your phone ❌🤖

   2019 · its alternatives →

3. 3CS
   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 →

4. 4
   Dasha Assistant▲154

   Stop every spam call, no matter who is calling

   2020 · its alternatives →

5. 5
   Castle▲115

   Free your phone from spam calls 🤖

   2018 · its alternatives →

6. 6
   Trueguard▲368

   Stop fake user signups

   2025 · trueguard.io · its alternatives →

7. 7
   RoboStopper▲70

   Block spam calls or get paid for them wasting your time

   2019 · its alternatives →

8. 8
   CallHero▲77

   Win the battle against robocalls with call screening

   2019 · its alternatives →

9. 9
   Contacts Only▲66

   Block all calls not in contacts 🤚

   2019 · its alternatives →

10. 10
    MyHumans: Spam Call Blocker▲69

    Stop 100% of spam calls

    2019 · its alternatives →

11. 11
    SMS Junk Filter for iOS▲102

    Block unwanted SMS spam text messages

    2017 · its alternatives →

12. 12
    RoboCash▲72

    Get paid to block spam calls

    2020 · its alternatives →

13. 13
    Owly▲108

    An AI powered iOS mobile app that blocks spam messages

    2024 · its alternatives →

14. 14
    Caller ID : True Number Search▲6

    Identify unknown calls & spam

    Nov 2025 · apps.apple.com · its alternatives →

15. 15
    Kameleo▲87

    Avoid browser fingerprinting and use virtual profiles.

    2019 · its alternatives →

16. 16
    Firewall▲21

    Extreme Robocall Blocker

    2019 · its alternatives →

17. 17
    PhonePrivacy v2▲89

    Stop bots and improve your phone privacy

    2019 · its alternatives →

18. 18
    Nomorobo▲100

    Block annoying robocallers & telemarketers

    2014 · its alternatives →

19. 19
    Keyri EchoGuard▲87

    Simple, secure, cost effective phone number verification

    2023 · its alternatives →

20. 20
    Callthentic▲64

    Intelligent prevention of spam calls on iOS.

    2020 · its alternatives →

21. 21CS
    Call Screening app that ends robocalls forever – CallHero▲10

    2019 · getcallhero.com · its alternatives →

22. 22
    Castle▲6

    Free your phone from spam calls 🤖

    2018 · its alternatives →

23. 23
    SafePhone▲8

    Protect you from phishing attack

    Oct 2025 · play.google.com · its alternatives →

24. 24
    ClearPHONE▲7

    Take Back Your Digital Life

    2019 · its alternatives →

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 →