An NFC-enabled Android smartphone or tablet can easily become an attendance machine. A variety of NFC-compatible cards are available, such as transport cards, student cards, and employee cards. It not only replaces the old-style punch clock or time clock but also provides some outstanding features, such as recording along with GPS info and sending records as a CSV file to a specified email. Multiple custom record statuses can be set according to actual needs, e.g., work in, work out, lunch in,