Calc Board Web App gives you the calculating power you need on your iPhone or iPod touch. An integrated Donwload button lets you use the app even when you are not connected to the internet.

GuitarToolkit, which also includes an amazingly flexible chromatic tuner.

Students learning about Planet Earth and beyond will value this Seismometer in their digital toolbelt. Measure everything that vibrates, shakes or moves. Or why not an actual earthquake?

Seismometer uses your iPhone’s built in accelerometer to measure movements in two axes, calculate the resulting energy and draw the results on a rolling logarithmic scale.

Chess for the iPhone is lacking one thing - the ability to play against others across the network. Regardless 2 players can play on the same iPhone. Chess is an excellent game for developing analytical and strategic concentration skills. Research shows, there is a strong correlation between learning to play chess and academic achievement. In 2000, a landmark study found that students who received chess instruction scored significantly higher on all measures of academic achievement, including math, spatial analysis, and non-verbal reasoning ability (Smith and Cage, 2000). Chess is AUD$5.99

iTracer is a 3D modeling and rendering application for the iPhone. With it you can build full 3D scenes and render high-quality images from any given view. The rendered images can then be saved to your Photos Library for later use by other applications.

The multi-touch interface allows view scaling and panning at any time with simple pinch gestures. Translate, rotate and scale objects with simple touch movements that snap to an adaptative grid.

Includes a full material editor with diffuse and specular components, opacity, refraction, reflection and self illumination. Shadows are cast from multiple lights and support transparent objects.

Use procedural objects like spheres and boxes for infinite precision and faster rendering. Also supports generic triangle meshes with per-vertex normals.

The included modeling interface allows you to create custom 3D meshes using extrusion and revolution surfaces. A full feature 2D curve editor makes it easy to create 2D shapes and fine tune its vertices by moving, adding and deleting vertices as needed.

Buy the current version and get all future updates for free. New releases may have update price due to new functionality and optimizations included.

Planned features for next releases are: Undo system, improved camera, photo background that reflect/refract through objects and much more. All suggestions and feedback will be considered for updates.

The ultimate audio and voice recorder for your iPhone. Simple and easy to use, but also packed with features.

Recording doesn’t have to be a horrifyingly ugly experience anymore! You can create smart folders to automatically organise your recordings based on the location where they were created, or keywords contained within the title.