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Dual SIM feature is not compatible with Android 10 and later!
Android policies prohibit 3-party apps from accessing SIM information for incoming calls. This means that further development of this key-feature of app is unfortunately no longer allowed.
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It occurs a lot of time that we get calls from an unknown number. This kind of situation are not only annoying, but they also waste our time and disturb quiet moments in our life.

Let's be honest, do you also hate unwanted calls and calls like us? We all hate spam and robo-calls! That's why we built an effective SIM blocker app that can stop these unwanted calls.

SIM-Blocker is a very simple call blocker application with only one purpose: to block annoying & unwanted calls. SIM Blocker ensures that you are not disturbed by spam callers, unwanted callers or unknown numbers and always receive information about incoming calls.
Just add the number to the blacklist and the app does the rest. At any time you can easily add people to the whitelist and also edit the list of blocked calls.

SIM Blocker is basically a security app that enables many functions:


Dual SIM Call Blocker
SIM Blocker is one of the best call blocking apps on the Play Store because of its dual SIM function. This app is the only Dual SIM app for Android devices. If you have a phone with two SIM cards, you can set your blocking mode for each SIM card separately. This control function is compatible with almost all smartphones starting with Android 7.0.

Tasks Scheduler
One of the best features of SIM-Blocker is the task planning. You can schedule the blacklist so that calls are blocked only at certain times or you can unblock repetitive tasks for a weekday. For example, call blocking is enabled from 09:00 to 14:00 every Monday & Wednesday. The app schedules the task automatically and you don't have to worry about it anymore.

SMS and Notifications
With this app you can activate automatic SMS and notifications. The app starts automatically in the notification bar. If a call is blocked, you can set to automatically send an SMS and receive a notification for all blocked calls. You can also manually reject incoming calls with an SMS at any time.

SIM Blocker is beautifully designed and easy to use, the free version of SIM Blocker comes with ads. You can remove the ads and get more features by buying the Pro version from Play Store.

Key Features of SIM Blocker App:
✅ Intuitive call interface for incoming & outgoing calls
✅ Block numbers and contacts.
✅ Whitelist is provided to make sure that certain people don't get blocked.
✅ Blacklist to block the numbers.
✅ Get a notification when a call got blocked.
✅ Activate an auto response SMS on blocked calls.
✅ Do not disturb mode is provided.
✅ Quick and easy setup.
✅ Clean and easy to use scheduler.
✅ Enable repeated tasks.
✅ List of all blocked calls.
✅ The most powerful call blocker app on play store.
✅ Dual SIM call blocker.


We would love to hear from you, kindly rate SIM Blocker app for further improvements.

Thanks for using SIM Blocker app