BlueSpy

BlueSpy is the next generation BLE peripheral analyzer tool that allow you to inspect, read and write data with virtually any device capable of communicate with Bluetooth Low Energy standard and GATT profile.
BlueSpy is an experimental tool that let you explore the capabilities of your nearby bluetooth devices and interact with them so that you can use it to: debug, analyze, measure or reverse engineering in the attempt to better understand their behaviour and their security level.
BlueSpy is mostly a free tool, but in the effort to maintain and evolve it some features will only be availables under in-app purchase.
Key Features:
- Scan nearby device and return advertisment data in realtime.
- Sort peripherals by name, identifier and signal strength.
- Filter scanned peripherals.
- Identify device type and model based on expandable knowledge base.
- Read peripheral services, characteristics and descriptors.
- Write data to peripheral characteristics.
- Explore logs for any communication between BlueSpy and your BLE devices.
- Configure custom settings like auto-notification, auto-remove unreachable peripherals, stop scan on idle, and more.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/