Daytum's new iPhone app is the cheat sheet to making good on your new year's resolutions. The free app which you can download from iTunes works as your own personal data tracker, documenting your life and separating it into separate categories so you can see exactly how your life is panning out in accessible charts and numbers.

Co-founder Nicholas Felton released his 5th annual report in January, showing us just how interesting personal tracking can be. Now you can have a go on your iPhone, with the bonus of being able to work offline, switch accounts, graph your data...

The app definitely benefits from everyday use, get involved.