Roambi has been my go to when it comes to mobile data visualization.
Features:
•Create easy to use executive reports and dashboards
•Get data into the hands of mobile workers in the field where they need it most
•Create stunning experiences to data that engage audiences and drive adoption
•Pull all of your critical data into one single app with 100% offline access
Use data from any source - including Box, spreadsheets, BI systems, databases, Salesforce.com - and transforms it into interactive data visualizations.
Roambi is best for Business Intelligence and data visualisation.
Taken inspiration for developing custom dashboards for iPad.
Numerics - Dashboards to visualize your numbers - by Cynapse.
Again, nicely built app for Data Visualisation .
Jaadoo (iOS & Android)