Meet the Voltset: a handy gizmo that turns your smart device into a smart multimeter. Just connect it to your smartphone, and you will be able to play around with your hardware wherever you go. The design is compact and portable. The Voltset can keep logs and make charts. It is Raspberry Pi / Arduino friendly.
Voltset will have apps for Android and iOS. The developers will also offer a Voltset API Client Library for Java and .NET. The project is Kickstarter.