This update from Apple will improve the functionality of this app. No new features are included.

Improved user interface.
Enhance source data with images.
Export articles as image or PDF files.

iOS 9.0 update
Better sharing possibilities.
Data files are included in the app bundle. No additional downloading is required.

Minor code improvement

iOS 7.0 update

- Code improvement
- Images resolution update

★ iPhone 5 support