Voice assistants like Google Assistant, Siri, and Alexa have become everyday companions. They set reminders, answer quick questions, play music, and even control smart home devices with just a voice command. But have you ever casually mentioned wanting a new pair of shoes, only to find shoe ads following you across social media? It feels like these assistants are not just helpful listeners but also eavesdroppers. What is happening behind the scenes is often tied to ad targeting, where data from your interactions can be used to serve you personalized ads.
While the goal is to make life easier by anticipating your needs, the constant listening can start to feel like a privacy invasion. The reality is that voice assistants bring incredible convenience, but the trade-off is clear. The more they listen, the more data they collect. The good news is you can still use them without giving up your privacy.
The Double-Edged Sword of Voice Assistants
Voice assistants are brilliant tools. With a quick “Hey Google,” “Hey Siri,” or “Alexa,” you can send messages, set alarms, shop online, or even dim the lights without lifting a finger. They’re especially helpful for multitasking, accessibility, and managing smart devices.
However, like all powerful tools, they come with trade-offs. To understand how to use them without compromising privacy, let’s look at the pros and cons.
Pros of Voice Assistants
- Convenience
They save time and make multitasking effortless. You can dictate texts while cooking, set reminders without typing, or get directions hands-free while driving. - Accessibility
For people with disabilities or mobility challenges, voice assistants can be life-changing. They enable independence by controlling devices, sending messages, and accessing information without typing. It also helps to alleviate loneliness in elderly peopleloneliness. - Integration
Voice assistants connect with smart homes, turning off lights, adjusting thermostats, or locking doors with a simple command. - Personalization
They learn your preferences, routines, and frequently used apps. Over time, they become “smarter,” offering suggestions tailored to your lifestyle. - Entertainment and Information
From playing music to answering trivia questions, they’re like a hands-free source of entertainment and quick knowledge.

Cons of Voice Assistants
- Privacy Concerns
The most glaring issue is that they’re always listening for their wake word. While companies claim recordings are only saved after activation, there are plenty of reports showing assistants accidentally activate and capture conversations. - Data Collection
Voice data is often analyzed to “improve services.” In reality, this means companies use your queries to target ads or sell insights. That’s why when you talk about shoes, suddenly every platform you use floods you with footwear ads. - Accidental Triggers
Assistants sometimes misinterpret random sounds or words as commands. This can lead to unintentional recordings or even accidental purchases. - Over-Dependence
It’s easy to become too reliant. Instead of remembering things or researching yourself, you outsource memory and decision-making to an algorithm. - Security Risks
Smart home integration means if your assistant is hacked, your entire home ecosystem could be vulnerable. Imagine someone unlocking your doors or ordering items through your assistant.
How to Stop Voice Assistants From Listening All the Time
The key is balance. You can still use Google, Siri, or Alexa without letting them listen to everything. Here’s how:
For Google Assistant (Android & Smart Devices)
- Turn Off “Hey Google”
- Open the Google app.
- Tap your profile icon > Settings > Google Assistant.
- Go to Voice Match and disable “Hey Google”.
- Open the Google app.
- This stops your phone from constantly listening for the wake command.
- Manage Permissions
- Go to Settings > Apps > Google > Permissions.
- Revoke microphone access if you don’t want it to listen at all.
- Go to Settings > Apps > Google > Permissions.
- Delete Voice Activity
- Visit myactivity.google.com.
- Choose Delete activity by > Voice & Audio.
- Select a time range (last hour, last day, all time).
- Visit myactivity.google.com.
- Use Guest Mode
Google devices like Nest speakers offer Guest Mode, which pauses personalized data collection.
For Siri (iPhone/iPad)
- Disable “Listen for ‘Hey Siri’”
- Go to Settings > Siri & Search.
- Turn off “Listen for ‘Hey Siri’”.
- Go to Settings > Siri & Search.
- Siri won’t passively listen anymore, but you can still activate it manually by holding the side button.
- Restrict Siri Access When Locked
- In Settings > Siri & Search, turn off “Allow Siri When Locked”.
This prevents unauthorized access from your lock screen.
- In Settings > Siri & Search, turn off “Allow Siri When Locked”.
- Manage Dictation
- Go to Settings > General > Keyboard.
- Toggle off Enable Dictation if you don’t want Apple servers processing your speech.
- Go to Settings > General > Keyboard.
- Delete Siri History
- In Settings > Siri & Search, tap Siri & Dictation History > Delete Siri & Dictation History.
For Alexa (Amazon Devices)
- Mute the Microphone
Every Alexa-enabled device has a microphone off button. Press it when you don’t want Alexa listening. The light turns red to confirm. - Turn Off Drop-In and Voice Purchasing
- Open the Alexa app.
- Go to Devices > Echo & Alexa > Communications and disable Drop-In.
- In Settings > Voice Purchasing, toggle it off or set a PIN.
- Open the Alexa app.
- Delete Recordings
- Say: “Alexa, delete what I just said” or “Alexa, delete everything I said today.”
- Or, in the Alexa app: Settings > Alexa Privacy > Review Voice History.
- Say: “Alexa, delete what I just said” or “Alexa, delete everything I said today.”
- Limit Skills Access
- Go to the Alexa app.
- Under Skills & Games, review and disable skills you don’t trust.
- Go to the Alexa app.
Balancing Use and Privacy
The goal is not to abandon voice assistants altogether, but to use them consciously. Disabling “always listening” doesn’t mean you can’t use them, it simply means you activate them when you want.
You can still enjoy:
- Siri: Activate it by pressing and holding your iPhone’s side or home button.
- Google Assistant: Turn it on by pressing and holding the home or power button, depending on your phone.
- Alexa: Use it by pressing the action button on your Echo device.
This way, the assistant works for you, not the other way around.
Voice assistants like Alexa, Google, and Siri are incredibly useful, but convenience should not come at the cost of your privacy. The good news is you do not have to choose one over the other. By taking a few smart steps, you can enjoy the benefits while staying in control of your data. Make it a habit to review and delete your voice recordings regularly so unnecessary data does not sit on company servers. Keep microphones muted when not in use to stop unintentional listening. Be intentional about the information you share and limit how much personal data these assistants can access. Strengthen your security with tools like multi-factor authentication, PINs, and frequent software updates.
Finally, stay informed about how your device provider handles your data. Privacy is no longer optional in today’s digital world, and with the right precautions, you can have both safety and convenience in one.