If you're looking to ditch the iPhone's dreary stock calendar, the refreshing application from Mysterious Trousers provides a much-needed splash of colour to the on-board scheduler's grey scale motif, and does so without compromising on usability.
The app's name and appearance take their cue from the Swiss-designed Helvetica font, known for its elegant finish and prominent usage on everything from the space shuttle to New York City subway signs.
Like its sans-serif inspiration, Calvetica is a cordial union of minimalist aesthetic and raw functionality. In month-view mode, the application uses a smooth animation to readjust the dates, with each item depicted by a sleek colour-coded bubble. The entry page offers a snappy input system, thanks to a single-tap function for time and date selections - just one of the many details that make the application a winner on the design front.
Those seeking extra bells and whistles, however, might be better off with one of the other 50,000 or so calendar apps. Calvetica serves more as an enhancement to the iPhone's current capabilities than anything else. And to that end, it does so with aplomb.