New version update famous cross-platform smartphone messenger currently available for iPhone, Android, BlackBerry and Nokia phones.
What's new in Version 2.6.6
* Make WhatsApp work on iOS 3 again. Sorry we broke it.
* conversation font size change (Settings > Chat Settings > Font Size)
* display divider in group conversation to indicate new/unread messages for that group chat
* show recent group locations on the map together (via Group chat Info page > Recent Locations)
* various updates to media browser (date separators, ability to delete, etc.)
* custom notifications per group, with mute option
* do not scroll to the bottom of conversation when new message arrives
* options to control audio note playback source (Earphones, Receiver or Built-in Speaker)
* improved "load earlier message" behavior
* voiceover fixes (reported by Rene J. and Marco Z.)
* fix crash on inviting many contacts via email/sms (reported by @marcosjsramos on twitter)
* improve verification security (reported by Andreas Kurtz) and other verification improvements
* Spanish localization fixes
to be able to run on ipad/ipad 2 you need jailbroken ipad, and search WhatsPad on cydia !