Apps similar to Truecaller include SpamBlocker, which is free and open source. Other options are Yet Another Call Blocker, Hiya, Sereniphone and Should I Answer?. You're spoiled for choice with Unwanted Call Blockers like Truecaller: we list more than 50 alternatives for Android, iPhone, the web, iPad and Windows.
Call Notes Pro helps you to identify who is calling you. The app will help you to manage clients and contacts data. You will see the pop-up window during the call with the note, time of the last call and any of the address book fields like company, position, birthday, even...
Russia
Unknownphone.com brings you the complete app to avoid phone scams, unwanted calls and extra charges in your bill. With more than 100.000 telephone numbers registered and identified and a community with millions of users in the United States and around the world, Unknownphone.
United Kingdom
Take your creativity up a notch by adding your own photos to your phone calls. Choose any picture you like for your call screen background and say goodbye to boring screens.
SMS Shield is a Machine Learning-based SMS spam filter for iPhone. We trained it on what spam SMS looks like by showing it tens of thousands of spam SMSs beforehand. SMS Shield then learns and, to a high degree of confidence, can identify spam even it haven't seen it before.
Germany
EU
Blockspamcalls is a place where you can look up any phone number from all over the world and see whether they are listed among robocalls, spamcalls and other types of unwanted calls.
CzechiaEU
ID Book is a handy, easy to use application specially designed to offer users a simple address book.
Indonesia
The loud, traditional ringtone is rarely the best or most modern choice. Blocker lets you create a personalized call-handling strategy for your Favorites, Contacts, and Unknown callers — so you only get interrupted when it truly matters.
Brazil
Read what unknown callers say in real time while your phone rings, then answer, block or take a message as a transcript
Australia
Privacy-first SMS & call blocker. NoSpamPro protects you from phishing and scams using a hybrid local-engine and cloud-AI. No data collection, no account required, and no contact sharing.
Türkiye
CatfishNumr is a free, anonymous phone number lookup tool that helps users verify unknown contacts and detect scams or catfishing. It provides instant access to publicly available info like names, locations, social profiles, and scam reports empowering safer, informed digital interactions.
United States
Only Contacts Ring is an Android call filter app. Unlike other blockers, it only allows calls from your contacts to ring through. Calls from numbers not in your contacts are declined and sent to voicemail.
PolandEU
