TerraFlex - Affordable, flexible and easy 
Affordable – the users do not have to buy a new GPS handheld , but spend only a small amount of money to get the subscription based with annual renewal term software then go and collect any data you want with efficiency and promptness. 
Flexible –  Trimble TerraFlex can be easily installed and operated on Trimble Mapping & GIS Windows Embedded Handheld devices as well as iOS and Andriod smartphones the software, that mean you can access your account and get your work done in any device. The data can also be versatilely exported for compatibility with other 3^rd party software.
Easy -  Designed to be easy to learn and use, mimicking standard smartphone operations, configurations, and procedures (swiping, pinch zoom, smart type, visual interface).