Privacy Policy
Effective 10 November 2026
In short: StackLens shows you information about the apps installed on your device, and it works entirely offline. It reads your installed app list, and any APK file you choose to open, on your device only. We do not collect, receive, or share any of your personal data.
Who we are
StackLens is an Android app published by Veltack AI ("we"). This policy explains how the app handles your information.
Information the app reads
So that you can inspect your apps, StackLens reads the following on your device:
- Your installed app list, and each app's name, icon, version, target Android version, and install and update dates
- The permissions each app requests, and whether they are granted when Android reports this
- The components each app declares, its signing certificate fingerprints, and some of its configuration settings
- The names of the files inside each app's installation files, which StackLens uses to identify frameworks, programming languages, and common software development kits (SDKs)
StackLens reads file names only. It does not open your personal files or read the data stored inside other apps.
APK files you open
You can choose an APK file with Android's file picker to inspect it. StackLens can only see the file you choose. It copies the file into its private storage, reads it the same way as an installed app, and deletes the copy as soon as it has finished. Nothing in the file is run, and the results are not saved.
Information we collect
We do not collect any information from the app. StackLens does not request Android's internet permission, so it cannot send your app list or scan results to us or to anyone else.
StackLens has no accounts, advertising, analytics, or tracking, and it contains no cloud services.
Information stored on your device
To open faster, StackLens saves what it found in each installed app, such as detected frameworks and SDKs, in its private storage on your device. Other apps cannot read this storage. A result is replaced when the app it describes updates, and removed when that app is uninstalled.
These saved results never leave your device. Android backup is turned off for StackLens, so they are not copied to the cloud.
Permissions the app uses
- See all installed apps (QUERY_ALL_PACKAGES): lets you find and inspect any app on your device, which is the app's core purpose. The results stay on your device.
StackLens has no permission to access your files, location, contacts, camera, or microphone.
Sharing your information
We do not sell or share your information, because we do not collect it.
Google Play
If you download StackLens from Google Play, Google may process information about your device and your use of its store under its own terms and privacy policy. We may receive overall statistics from Google Play about installs and app performance. We do not use these to identify you.
Your choices and deleting your data
You can delete saved scan results at any time under About and privacy in the app, or by clearing StackLens's storage in Android's settings. Uninstalling StackLens removes everything it has stored. Because we hold no personal data about you, there is nothing for us to access, correct, or delete on our side.
Children
We do not knowingly collect personal information from anyone, including children, because the app does not collect personal information at all.
Changes to this policy
If this policy changes, we will publish the new version on this page and update the effective date above.
Contact us
For questions about this policy, email support@veltack.com.