Private means the app has no way to send your files anywhere.
This page gives the one-minute answer. The pages behind it list every permission each app holds, the checks you can run yourself, and the limits we know about.
The one-minute answer
The ten K apps on this site work on the files on your own device. They do not upload them, we do not receive them, and there is no account to hold them.
On Android, these ten apps hold no internet permission. Android blocks every network connection from an app without that permission. The phone enforces this, so you do not have to take our word for it.
On Windows, no K app's own code opens a network connection, and each app turns Java's network sockets off when it starts. Windows does not block a desktop app the way Android does, so on Windows the promise rests on how the apps are built and checked.
These statements cover K Photos, K Docs, K Scan, K Audio, K Files, K Sheets, K QR, K Notes, K Video and K Keys, in the versions listed on the permissions page.
What these apps never do
- They never ask you to sign in. There is no account.
- They never show an ad.
- They carry no analytics, tracking or crash-reporting service. Every release is scanned for that code before it ships.
- They never upload a photo, a document, a scan or a recording to work on it. Every tool runs on the device, and that includes every AI tool.
- They never send us anything. We run no server that the apps talk to.
What other software does around them
A private app still runs on a phone or a computer, and some things around it are outside its control.
- The store installs and updates the app and handles any payment, so the store knows what you installed and bought.
- Android's own backup can copy an app's settings and working files to your Google account. K Scan keeps all of its data out of that backup. The limits page says where each of the other apps stands.
- A file you share goes wherever you send it.
- A link you tap opens in your browser. The app itself makes no connection.
The pages behind this one
- What each app can reach lists every permission each app holds, read from the built packages.
- How it works shows where your files are read, changed and stored.
- Check it yourself gives tests you can run on your own device, and the dated record of ours.
- The limits says what the apps do not protect against.
- The privacy policy is the legal text, on the studio's site.