Abstract-Consumable medical drugs are currently available in a variety of forms such as liquid, capsule, and tablet. For the tablet/pill form, many of them are manufactured in very similar appearances, which could lead to incorrect medical consumption, particularly for elderly and visually-impaired people. For the past several years, a number of software applications have been developed by both academic and business sectors to facilitate pill identification. These tools are ranged from Web-based applications, desktop applications, and to mobile applications. The key approach used by most of these tools is using image processing techniques to extract pill characteristics from a pill's image, converting these features into some numerical forms such as a vector model, and comparing the features with those stored in the database using some similarity or distance measures to determine a matched pill. Rather than using direct pixel-based characteristics and vector model for pill comparisons, an investigation of bringing in a face recognition algorithm to assist pill identification is presented in this paper. The proposed method exploits a commonly-known face recognition algorithm, known as Eigenface algorithm, to mathematically derive features from pills' images. These acquired features are used for determining the pill's shape, which are then combined with pill's color as criteria for the overall process of pill identification. In addition, the proposed technique is implemented as an iOS mobile application, named iPill, for an automatic pill identification. A preliminary result using 320 pill images from 20 types of pills with 9 different shapes and 10 dissimilar colors shows that iPill mobile application gives a satisfactory performance on the accuracy for automatic pill identifications.