ThunderBlade offers the ability to run a full-stack IoT solution from your iPhone.
ThunderBlade App features:
1. Collect IoT sensor data over Bluetooth from Silicon Labs ThunderBoard device
2. Synchronize data with the ClearBlade IoT Platform in the Cloud
3. Visualize multiple ThunderBoard devices from an interactive, shareable Data Visualization Portal within the ClearBlade Platform
Note: A ThunderBoard device is required
http://www.silabs.com/products/development-tools/wireless/bluetooth/thunderboard-react-kit-sensor-cloud-connectivity