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Last updated: April 14, 2025
At Knock Knock, your privacy isn’t just a feature, it’s something we care deeply about. We built this app for real conversations between real people, including our own circle of friends, so protecting your personal information (your "data") is non-negotiable. ❤️
We know apps haven’t always had the best track record when it comes to handling user data 😬, so let’s clear things up from the beginning:
🔐 Voice messages on Knock Knock vanish by default, we don’t save them, and there’s no way for us to listen in. What you share stays private, just like it should.
🧡 We only gather what’s absolutely essential to make Knock Knock function the way it should, and for a limited time.
🚫 Your data is not for sale. We’re not into tracking you, following you, or sneaking around your online life. That’s just not our thing.
In this Privacy Policy, you’ll find everything you need to know about how we handle your data when you use Knock Knock (“the app”, “the application”, "Knock Knock"). We’ve kept it clear and simple, no jargon 😎.
Age verification
When you first launch Knock Knock, we’ll ask you to enter your age to confirm you meet the legal age requirement in your country. Simple as that!
Minimum age required by country
If your country isn’t listed below, the minimum age to use Knock Knock is 13 years old.
If we find out that we’ve unintentionally collected data from users who are under the required age, we’ll delete it right away
Who is responsible for handling your data?
💬 Got questions about your data or want to make a request?
Feel free to reach out
By email: 📬 You can reach us at: support@knockknock.social
Just make sure to include a clear subject line so we can get back to you quickly and help you faster!
How does Knock Knock collect your information?
When you decide to join Knock Knock, we collect some personal information that helps us identify you.
We collect this info directly from you:
when you create a Knock Knock account;
or when you reach out to us through the app, email, or by mail.
We may also receive it indirectly:
if you sign in using your Google;
or when we use analytics tools to understand how the app is being used.
No matter how we collect it, your data is always handled according to the rules outlined in this Privacy Policy.
What does Knock Knock do with your data?
These tables are here to give you a clear picture of:
✏️ What kind of data we collect when you use Knock Knock
👀 Why we need it in the first place
⁉️ What legal grounds we rely on to process it
⏰ How long we hang onto it
We always stick to the basics, only collecting what’s needed, and only keeping it for as long as necessary.
Acount creation
What data?
Your age (not your full date of birth, we only store the birth year based on the age you provide)
Why?
To make sure you meet the minimum age required in your country, so we can safely give you access to Knock Knock!
On what basis?
It’s required to comply with laws that protect minors and ensure users meet the digital age of consent.
How long?
For as long as you have a Knock Knock account, or up to 3 years after our last interaction, whichever comes first.
What data?
A name (you can update it anytime - we only store the one you actually choose to use)
Why?
So your friends can see who’s talking, pretty handy, right?
On what basis?
It’s required to use the app in line with our terms of service.
How long?
For as long as you have a Knock Knock account, or up to 3 years after our last interaction, whichever comes first.
What data?
A profile picture (you pick it, you can change it anytime - and nope, we don’t have access to your photo library)
Why?
Because, let’s be honest, it’s always nicer with a picture!
On what basis?
It’s required to use the app in accordance with our terms and conditions.
How long?
For as long as you have a Knock Knock account, or up to 3 years after our last interaction, whichever comes first.
What data?
Your unique Knock Knock ID and device ID
Why?
To help identify you and make sure it’s really you!
On what basis?
It’s required to use the app in accordance with our terms and conditions.
How long?
For as long as you have a Knock Knock account, or up to 3 years after our last interaction, whichever comes first.
Connection
What data?
Email, first name, and last name (linked to your Google account or the one you pick for Knock Knock)
Why?
So you can log in easily without the hassle of a password!
On what basis?
It’s required to use the app in accordance with our terms and conditions.
How long?
For as long as you have a Knock Knock account, or up to 3 years after our last interaction, whichever comes first.
Using Knock Knock
In a nutshell, we use your unique Knock Knock ID and phone settings to alert you when a friend is messaging you, and to sync your phone’s “Do Not Disturb” with Knock Knock (for those office meetings). Rest assured, we secure all your communications, but we never have access to your voice messages or the content you share!
Notifications
What data?
Phone details and settings (such as model, OS version, and language preferences)
Why?
To notify you when someone wants to chat, poke you, or is already talking to you!
On what basis?
It’s essential for using the app in line with our terms and conditions.
How long?
We don't keep any notification history!
Usage settings
What data?
Details about your phone's settings, including your "Do Not Disturb" status if it's activated.
Why?
To make sure Knock Knock doesn’t pop up at inconvenient times (like office meetings 😅)!
On what basis?
It’s essential for using the app in line with our terms and conditions.
How long?
We don’t store any information about your status.
Friend Management
What data?
The Knock Knock ID of both the user sending the friend request and the one receiving it, existing friendships on the app, and a unique code for connecting.
Why?
This lets you accept or decline friend requests, and even "mute" or "ghost" them!
On what basis?
Required to use the app in accordance with our terms and conditions.
How long?
For as long as you have a Knock Knock account, or up to 3 years after our last interaction, whichever comes first.
Communication with friends
What data?
Your voice (we don’t store it, nor do we have access to it - it’s routed through our WebRTC server as it is a live communication, so no storage happening).
Why?
So you can chat with your friends.
On what basis?
Required to use the app in accordance with our terms and conditions.
How long?
We can’t listen to your voice, which means we don’t store it either!
Internal analyses
We’re always enhancing the app, and to do that, we rely on statistical analyses. This allows us to identify and fix bugs, as well as spot issues like poor display performance on certain phones, for example…
Statistical analyses
What data?
Your unique Knock Knock ID, along with usage data such as phone type, number of friends, IP address.
Why?
To help us analyze what’s working well and what’s not, so we can improve Knock Knock’s features.
On what basis?
Our genuine interest in constantly enhancing the app and your overall user experience.
How long?
As long as the information is needed to assess Knock Knock's performance.
Security analyses
What data?
Your usage data, including bugs you've reported, connection history.
Why?
The purpose of this processing is to ensure the smooth operation, availability, and security of the Knock Knock app.
On what basis?
Our legitimate interest in constantly enhancing the app and optimizing your user experience.
How long?
As long as the information is needed to fix a bug or evaluate the security level.
PS: Your IP address isn’t considered sensitive data, and we can’t access your exact location — it only helps us estimate your region!
Request management
Handling requests to exercise your rights.
What data?
Your unique Knock Knock ID, name, email address, details of the rights exercised, and our communication records.
Why?
To handle and track your requests regarding the exercise of your data rights.
On what basis?
Required to fulfill our obligations under the GDPR.
How long?
For the duration required to process your request.
Handling requests from authorized authorities.
What data?
Your unique Knock Knock ID, last name, first name, and email address, if required by the authority.
Why?
To comply with an official and mandatory request from an authorized authority.
On what basis?
Required to comply with legal requests from authorized authorities.
How long?
For the duration required to process the request from the authorized authority.
Management of user reports
What data?
The unique Knock Knock ID of both the reporting user and the one being reported, along with the reason for the report.
Why?
To foster a positive environment and prevent inappropriate behavior!
On what basis?
Our legitimate interest in safeguarding users from inappropriate behavior or illegal content.
How long?
For the duration required to process the report.
Who has access to your data?
To keep Knock Knock running smoothly and give you the best possible experience, we rely on Google Analytics, who help us with stats, secure data storage, or sending login codes.
What about data transfers outside the European Union?
What about data transfers outside the European Union?
To keep your data, and that of users worldwide, safe and secure, we use our trusted hosting provider, Firebase. Your data is stored on firebase servers located in the India.
But no stress, your info is protected by safeguards equivalent to EU standards. Firebase is officially part of the Data Privacy Framework, which ensures compliance with data protection agreements between the EU and the U.S.
And just so you know: we never transfer your data outside the EU without the proper legal safeguards in place, in full respect of GDPR requirements.
Got questions about how this works? Reach out anytime!
What Are Your Rights?
✅ Access and Review Your Info
You have the right to ask us:
Whether we store any personal details about you; and
For a copy of this information in a format that's easy to understand.
🛠️ Update Your Information
Something changed? Moved to a new email? Just let us know, and we’ll fix or update your data as needed.
🗑️ Delete Your Account or Data
Want your data gone? You can request its removal if it’s no longer needed, or you can delete your Knock Knock account entirely. We’ll hold it for 30 days just in case you change your mind.
🧊 Pause How We Use It
If you’ve asked us to correct your info or if you’ve raised concerns about how we use it, you can request a temporary pause on processing your data.
📦 Transfer Your Data
Heading somewhere else? You can ask us to send you your data, or move it to another service, so it stays useful.
⚰️ Decide What Happens After...
It's not the happiest topic, but you can let us know what you want done with your data if something ever happens to you.
📝 File a Complaint
We hope it never comes to this, but if you believe your data isn’t being handled properly, you can always contact the data protection authority in your country.
How to Use Your Rights
You can reach out to us anytime to use your rights
By email: 📬 You can reach us at: support@knockknock.social
Just make sure to include a clear subject line so we can get back to you quickly and help you faster!
What happens if we update our policy?
We regularly review our privacy practices to ensure everything stays up to date and your data is well protected. If we plan to make any major changes to the policy, like collecting more data or using it for new purposes, we’ll give you a heads-up before anything happens.
You’ll get notified either by email or through a pop-up when you open Knock Knock again. We’ll make sure you have all the details so you can make informed decisions about using the app!
❤️
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