TagTemp-NFC, TagTemp-S and TagTemp-NFC-LCD are Dataloggers that register the temperature measurements in a period of time. To collect data, the user must approximate a ANDROID smartphone that has Near Field Communication (NFC), without the need of install drivers, connect cables or make advanced configurations. The app takes some seconds to collect al memory data from device and show information and chart about it. Moreover the user can share this data via e-mail or others content providers installed in the smartphone.