Instagrab is an Instagram companion.
Instagram is now ranking as number 1 of all apps in the iPhone Appstore while Instagrab is ranking as number 6 of all apps in the iPhone Appstore.
Instagram let users take and share photos instantly. Instagrab was born to extend the features of Instagram and provide a better user experience for Instagramers.
Instagrab let Instagramers manage photos, locate nearby and worldwide Instagramers, bookmark interested photos, etc. A cloud feature will be introduced in the next version.
In short, Instagrab + Instagram provides a fun and complete user experience for instagramers.