Here is a cloud connected smart thermometer that lets you monitor your BBQ from your phone. The FireBoard is synced to the cloud via Bluetooth and WiFi. It can track up to 6 temperatures at once and sends you alerts via SMS or e-mail. The device also has data logging capabilities.
The FireBoard is accurate to 0.4°C. It is battery powered, lasting up to 24 hours on a full charge. It will be compatible with iOS, Android, and other internet connected devices.