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Last updated on: 2026-06-23
Android Apps > Communication > Call Blocker
Call Blocker icon

Call Blocker

4.18
lithiumS
3.84
2,231 reviews
100,000+
Downloads
Free

Block unwanted incoming and outgoing calls. Call Blocker. Black list

Not recently updated — last update was on 2023-05-29. This app may no longer be actively maintained.
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About Call Blocker

Call Blocker is a communication app developed by lithiumS.

Download Statistics

Call Blocker has been downloaded 340 thousand times. In the last 30 days, the app was downloaded 340 times.

User Ratings

Call Blocker is rated 3.84 out of 5 stars. The rating is based on 2.2 thousand ratings.

App Information

Call Blocker is FREE to download. The APK download size is 10.93 MB. The latest version available is 4.18. The last update was on May 29, 2023.

Technical Requirements

Call Blocker requires Android 4.4+ or higher. The app has a content rating of Everyone. The app has been available on Google Play October 2016.

Description
The program is designed to block incoming and outgoing calls. It has the fastest algorithm for blocking calls.

In the settings you can set the desired method of the application response to an incoming call: reject a call, silent or, if supported by your device and the network, the caller will hear in response "the number you dialed is not available" or "wrong number" or something similar.

The application consumes minimal resources of your mobile device, and all the basic settings can be found in the left sliding panel.

As opposed to the standard black list is all data about blocked calls is stored in a separate program, which has its own log and settings.

Access to the application can be password protected. Password you can reset by clicking on the icon in the upper right corner of the password entry screen. After this, all your lists and settings will be reset to the original. The password is not stored in the clear, but encrypted.

The phone numbers that you want to block are recorded in the black list. Whitelist is designed for phone numbers which will not be blocked never. The phone number listed in the white list, can not added to the blacklist, and vice versa.

To the lists, phone numbers are added from the contacts, by manually, from call history and messages. You can specify the number, which starts with certain digits. The numbers in black list can be combined into a group. This is useful if you plan to block calls on a schedule.

In the app you can set a schedule for the whole blacklist, and for individual numbers or groups of numbers.
Blocked calls are displayed in the log. The log can be disabled, and you will never know about the incoming call which was rejected. Also in the settings you can disable only the notifications about the block, while the log will continue to work. You can also export log.

In the program you can also enable the block calls from unknown or hidden numbers. Unknown numbers in the program includes all numbers that are not listed in your phonebook contacts. Hidden number - incoming call with no number or number is not defined.

You can also block all incoming calls, making your device not available to all callers.
At any time, the application can be disabled. In this case, the application will be nothing to block.

There are other possibilities which you can find if install this application.

Any questions and requests can be asked through the application or write an e-mail to: support@lithiums.ru.

Recent changes:
Bugs fixed. Improved blocking.
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More data about Call Blocker

Price Free to download
Total downloads 340 thousand
Recent downloads 340
Rating 3.84 based on 2.2 thousand ratings
Ranking Not ranked
Version 4.18
APK size 10.9 MB
Number of libraries 44
Designed for Android 4.4+
Suitable for Everyone
Ads Contains ads

App Performance Report

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Call Blocker compared with similar apps

Common keywords of similar apps

Application Settings Black Program Password Device Designed Response Stored Reset Lists Listed Added Schedule Disabled Hidden Numbers Block Calls Call Number Incoming List Log Phone Blocked Blocker Outgoing Blocking Set Blacklist Contacts Unknown

Keywords missing from this app

Caller Spam App Id Unwanted Dialer Features Screen Contact Filter Callers Calling Easily Manage Experience Smart Search Support Access Recent Stay Add Make Details Quick Identify Lookup Announcer Sms Easy Dial History Manager

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Google Play Rating history and histogram

Downloads over time

Call Blocker has been downloaded 340 thousand times. Over the past 30 days, it averaged 11 downloads per day.

Changelog of Call Blocker

Show changelog

Developer information for lithiumS

lithiumS

support@lithiums.ru

Website

Legal name:

Address:

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I'm the developer of this app

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Comments on Call Blocker for Android

★★★★★ laura De haven · Feb 23, 2022
It's been less than a day, and I already 💕 the call blocker. You can blacklist any numbers, ones with weird letters or numbers to, and white list and add manually after it transfers all contact list to it. You can even add numbers to the outgoing calls that you don't want to make. Turn the function on or off when you want. The ads 🙄 but I can deal with that. I don't know what the log is for, nor know how to use it. All in all a pretty good call blocker.
★★★★★ Tony Rose · Sep 20, 2021
5 stars 🌟 the best app on Google Play Store for blocking calls and comin and outgoing. On the First day using this app. It automatically allows you to ✔ your block numbers and block them
★☆☆☆☆ Dave Rich · Feb 2, 2022
It doesn't really block it just sends to answer phone. All I get is a nag from my phone operater telling me I have messages. I've tried both settings hang up and service does not exist. Neither worked... Oh well the search goes on I'd like a very simple app that blocks both calls and sms numbers in a black list. With an option of sending an SMS telling the caller not to bother trying again and to take me off their list. This is nowhere near that. I wish I could give zero stars.
★★☆☆☆ Shane Haddow · Apr 30, 2020
Tried the App, No Good It sees all my contacts, but when a person calls they are sent directly to voicemail from it, in our country we use +61 or 0 before the number and so it thinks the not +61 is different. All my contacts are via Google contacts. It also doesn't start up on boot up, I have Android 9. It so calls works but for my phone it is useless. Incase you want to know, my phone is a Konka SP6 with Duel sim's

Google Play Rankings for Call Blocker

This app is not ranked

Technologies used by Call Blocker

Call Blocker is requesting 21 permissions and is using 44 libraries.
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