LensWright: Optician Calc — Support

Vertex, prism, transposition and thickness — the optician's math, offline.

Contact

Questions, bugs, or feedback? Email tprippy@gmail.com. We usually reply within two business days.

Privacy Policy

LensWright: Optician Calc does not collect any data. No accounts, no analytics, no advertising, and no tracking of any kind. The app makes no network requests at all.

Any prescription you enter is stored only on your iPhone.
There is no account and no cloud sync. Patient data never leaves the device.
We cannot see your data, because it never leaves your device.
Deleting the app removes all of its data from your device.

Purchases are processed by Apple. We never receive your payment details.

Full Unlock

LensWright: Optician Calc is free to use. A one-time, non-consumable Full Unlock purchase ($4.99) unlocks the premium features. It is not a subscription and never expires. Restore it on a new device with Restore Purchase in Settings.

FAQ

Does it work offline? Yes — entirely. The app has no network code at all.

I paid but the features are locked. Tap Restore Purchase in Settings while signed in to the same Apple ID used for the original purchase.

Is this a substitute for professional judgment? No. It is a reference calculator. Always verify before ordering or dispensing.