Hanno Rein

PHPostCam is a simple webcam app that just works. All you need is access to a server that can run PHP scripts - nothing else! The app posts a photo to …

Connect multiple iPhones via bluetooth and take photos at exactly the same time on all devices. This allows you to take photos of events from multiple …

No Brackets is a simple but powerful calculator app using reverse polish notation (RPN), also known as postfix notation.In reverse polish notation, ev …

StackerCam allows you to record long term exposures on your iPhone. To do this, the app takes multiple frames and stacks them up. This not only allows …

The Kepler space telescope is a NASA mission to detect Earth-like planets. This app is maintained by a professional astronomer and keeps you up to dat …

Hydro HD calculates the fluid flow in an accretion disc around a star in real time on your iPad. Each newly formed star has such an accretion disc. It …

Hydro is a ZEUS-like MHD (magneto hydrodynamics) code specialised for cylindrical and spherical coordinate systems. It uses the FARGO advection scheme …

"Am I Drunk" is a fun game that tests if you can walk along a straight line. Using the iPhone's accelerometer, you'll walk on a road. If you reach the …

The Exoplanet app is a highly visual and interactive catalogue of all known exoplanets. Exoplanets are planets orbiting stars beyond our own Solar Sys …

This program visualizes a tree based gravity solver. Several hundred particles in a box with periodic boundary conditions are simulated and displayed …