Get TPE

Follow the links to get TPE for your device or platform

iPhone, iPad, iPod Touch

Android

Get it on Google Play

Desktop

Get TPE for Desktop

eBook: Understanding Light

eBooks by Bruce Percy

Feature Comparison

Feature Web App Android iOS TPE 3D
Sunrise/sunset Yes Yes Yes Yes
Moonrise/moonset Yes Yes Yes Yes
Twilight times Yes Yes Yes Yes
Night mode (Milky Way, Stars) Yes Yes
Google Maps Yes Yes Yes
Open Street Maps Yes Yes
Open Cycle Maps (Topographic) Yes Yes Yes
Offline Maps Yes Yes
Geodetics Yes Yes Yes Yes
Visual Search Yes
Light Pollution Overlay Yes Yes
Skyfire (Optional Subscription) Yes
Focal Length controls Yes
3D Map Yes