Microphone Blocker & Guard

In-app purchases
3.9
4.14K reviews
500K+
Downloads
Content rating
PEGI 3
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About this app

Micro Guard™: Advanced Microphone Protection


★★★★★ Micro Blocker to prevent spying
★★★★★ Ultimate Microphone Protection
★★★★★ Micro Guard™ makes sure that no hacker, spy, or spyware can listen on you
★★★★★ Mic Blocker: Blocks all apps and processes that try to access the microphone
★★★★★ Intelligent Deep Detective™ detects even previously unknown attacks
★★★★★ Protectstar™ apps are preferred by more than 5.000,000 users in 175 countries

Introducing Micro Guard™ - the advanced microphone protection for your Android™ device. With a single click, activate powerful microphone protection and prevent any hacker, spy, or spyware from listening in on your conversations.

Prevent spying
Not only millions of users but also the former FBI chief tape over the webcam and microphones of their devices to take this precaution.

With good reason: Everything and everybody is spied on! Of course, we had known this since June 2013 when whistle-blower Snowden revealed the first NSA documents. Since then, increasingly threatening details have been constantly uncovered. But not only have hackers found solutions to misuse the integrated microphones of mobile devices without a warning signal to the user, but spyware is also highly dangerous because it specifically targets control of the built-in microphone to listen to the users.

Hear nothing – For those who should not
Our Micro Blocker feature effectively blocks all apps and processes that try to access your device's microphone, ensuring complete privacy and security. The intelligent Deep Detective™ feature goes even further by detecting previously unknown attacks and proactively restricting any possibility of surveillance.

Deep Detective™: A smart invention against (un)known threats
Deep Detective™ Live, our optional anti-spyware scanner, detects various fraudulent elements with thousands of attack signatures. In addition, its advanced heuristic methods make it a must-have for those concerned about microphone misuse. This feature is available through a subscription.

Combine Micro Guard™ with our Camera Guard™ app to protect your device's microphone and camera. Micro Guard™ also works seamlessly with other existing security solutions.
The free edition of Micro Guard™ includes features such as a microphone blocker, Deep Detective™ Lite, a logfile protocol, passcode protection, a Widget, dark mode, and a list of all apps with microphone access.

Features "Free Edition":
+ Microphone blocker 24/7
+ Deep Detective™
+ Logfile protocol
+ Passcode protection
+ Widget
+ Dark Mode

This app uses the Device Administrator's permission.
Updated on
22 Jul 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Personal info, App info and performance and Device or other IDs
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

3.9
4.03K reviews
Paulo Pereira
29 July 2025
I could find any app working on my phones both apps from this seller doesn't working in my devices garbage.
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THE BEAST
17 June 2021
This is a very good app but only one eye works unfortunately I would have to say you cannot trust it you got to constantly check on it !!! Are you have to do once you install it every now and then try and send a message to someone and hit the little speaker and if you see you work and you can record that's going to tell you your system has been turned off off I don't know why it doesn't but it's not safe find something else would be my best advice almost like trusting biting stay away !!!
61 people found this review helpful
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A Google user
13 August 2019
App says "protected," but the "Now Playing" feature on the lock screen of my phone displaying songs playing in the background - on other devices not connected to my phone - says otherwise. When I open Google Assistant, the mic is activated, but when i close it, open the mic blocker to confirm that it's enabled, then reopen Google Assistant, only now do i get a notification that the mic is disabled. Finicky and not reliable.
39 people found this review helpful
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What's new

+ Protection adjustments
+ Android 15+ adjustments
Info: Starting the protection with the boot will no longer be available on devices running Android 15+

Thank you for using Micro Guard and for being part of the Protectstar community!