Steam Heavy Industries is delivering a complete copy of Wikipedia encyclopedia to your iPhone/iPod Touch for offline access. Once the app is installed, you can browse Wikipedia on your device without any internet connectivity. The app provides you the complete article text, and not references, image descriptions, user profiles, etc. But make sure your iPhone o iPod touch have enough space to install offline Wikipedia. This app might need storage space of about 2 GB.
Download – Offline Wikipedia on iPhone/iPod Touch (English)
Other languages: Chinese, Danish, Dutch, Finnish, French, German, Japanese, Norwegian, Italian, Korean, Polish, Portuguese, Russian, Spanish, Swedish, Turkish, Ukrainian