ZPTH is built so that there is nothing to collect. It runs entirely on your device. We do not have servers, we do not have accounts, and we never see anything you point your camera at.
Camera
ZPTH uses your iPhone or iPad's camera — the LiDAR / TrueDepth depth sensors and the colour camera — for one reason: to read depth and draw it on screen in real time. Camera frames are processed live, in memory, on the device, and discarded immediately. They are never recorded, stored, or transmitted by us, and the app makes no network connection to send them anywhere, because the app makes no network connections at all.
Photos
When you tap the shutter or record a video, ZPTH saves that single photo or video to your own Photos library, using the system "Add to Photos" permission. That file lives in your library, on your device, under your control. ZPTH does not read, browse, upload, or analyse the rest of your photo library — the permission we request is add-only.
On-device processing
Every effect, every render, and every capture happens locally using your device's camera, GPU and Neural Engine. No image, depth map, video, or usage data is ever sent off the device.
What we do NOT do
- We do not collect names, emails, contacts, location, or any identifiers.
- We do not use analytics, crash reporting, advertising, or attribution SDKs.
- We do not track you across apps or websites.
- We do not create user accounts or require sign-in.
- We do not make any network requests.
In-app purchase
ZPTH offers a single optional in-app purchase ("ZPTH Pro"). Purchases are handled entirely by Apple through the App Store and StoreKit. Apple processes the transaction; ZPTH only receives Apple's signed confirmation that the purchase is valid. We never see your payment details. Apple's handling of that transaction is governed by Apple's own privacy policy.
Children
ZPTH does not collect any data from anyone, including children, and contains no ads, no chat, and no external links to user-generated content.
Changes to this policy
If this policy ever changes, the updated version will be posted on this page with a new effective date.
Contact
Questions about privacy? Email aristideslintzeris@icloud.com.
© 2026 Aristides Lintzeris · ZPTH is an iPhone and iPad app.