CleverPDF vs Oivo

Online tools for all PDF tasks

CleverPDF is an easy-to-use web application that offers dozens of free online PDF tools, including PDF to Office, iWork, EPUB conversion, Office to PDF conversion, compress PDF, merge or split PDF and more!

The smallest backup charger for iPhone

Oivo lets you recharge your drained battery on-the-go and always stay connected, without having to think about it. This might not happen often, but Oivo is the best solution when it does. No cables, no AC power, no fuss. Just add ordinary AA batteries and charge your phone.