I've noticed that even regular apps like messengers and music players ask for constant microphone access. Is this actually needed for them to work, or is it just data collection? How can I limit access and how safe is that?
Most apps actually do need a microphone - messengers for voice messages and calls, a music player might use it for voice commands or equalizer. But yeah, some do ask for access and never use it, just hoping for future features or to collect data. In your system settings (Android or iOS) it's easy to restrict access for a specific app - just deny the microphone to whoever shouldn't be using it, and the app won't break, it'll just disable only the part that needs the mic. It's completely safe, I'd recommend blocking access to anything suspicious right away.
Restricting microphone access directly in your system settings is the simplest and most reliable way to control things. On Android, go to "Apps" → select the one you want → "Permissions" → turn off the microphone. On iOS it's the same thing, but through "Privacy Settings." The app won't break - it just won't be able to access your microphone when you're not actually using it for calls or voice messages.
A lot of apps genuinely need access for their features: messengers need it for voice messages, a music player might use the microphone for voice commands or audio analysis. But here's the thing - some apps ask for constant access just out of habit or because it's easier for developers, without any real benefit to the features.
Pro tip: set the permission to "Only while using the app" instead of "Always." On most modern phones, that's actually the default setting anyway. With this mode, the app can only turn on the microphone when it's in focus, not run it in the background. Security-wise it's fine - no downsides, and you'll feel better about it.
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